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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.26
edited by Xiaoling
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To version 162.1
edited by Dilisi S
on 2024/11/05 03:38
Change comment: edits from section 3.6.3

Summary

Details

Page properties
Title
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1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
Author
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1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
... ... @@ -3,6 +3,10 @@
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -15,36 +15,30 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -== 1.1 What is LT Series I/O Controller ==
22 +== 1.1 What is the LT-22222-L I/O Controller? ==
19 19  
20 20  (((
21 -
22 -
23 23  (((
24 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 -)))
26 -)))
26 +The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27 27  
28 -(((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
28 +The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
30 30  )))
31 -
32 -(((
33 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34 34  )))
35 35  
36 36  (((
37 -The use environment includes:
33 +With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38 38  )))
39 39  
40 -(((
41 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 -)))
36 +> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43 43  
44 44  (((
45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
39 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46 46  
47 -
41 +* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
42 +* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 +* Setup your own private LoRaWAN network.
44 +
45 +> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
48 48  )))
49 49  
50 50  (((
... ... @@ -53,166 +53,71 @@
53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
54 +== 1.2 Specifications ==
57 57  
58 -(((
59 -
60 -
61 61  (% style="color:#037691" %)**Hardware System:**
62 -)))
63 63  
64 -* (((
65 -STM32L072xxxx MCU
66 -)))
67 -* (((
68 -SX1276/78 Wireless Chip 
69 -)))
70 -* (((
71 -(((
72 -Power Consumption:
73 -)))
58 +* STM32L072xxxx MCU
59 +* SX1276/78 Wireless Chip 
60 +* Power Consumption:
61 +** Idle: 4mA@12v
62 +** 20dB Transmit: 34mA@12v
63 +* Operating Temperature: -40 ~~ 85 Degree, No Dew
74 74  
75 -* (((
76 -Idle: 4mA@12v
77 -)))
78 -* (((
79 -20dB Transmit: 34mA@12v
80 -)))
81 -)))
82 -
83 -(((
84 -
85 -
86 86  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 -)))
88 88  
89 -* (((
90 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 -)))
92 -* (((
93 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 -)))
95 -* (((
96 -2 x Relay Output (5A@250VAC / 30VDC)
97 -)))
98 -* (((
99 -2 x 0~~20mA Analog Input (res:0.01mA)
100 -)))
101 -* (((
102 -2 x 0~~30V Analog Input (res:0.01v)
103 -)))
104 -* (((
105 -Power Input 7~~ 24V DC. 
106 -)))
67 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
68 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
69 +* 2 x Relay Output (5A@250VAC / 30VDC)
70 +* 2 x 0~~20mA Analog Input (res:0.01mA)
71 +* 2 x 0~~30V Analog Input (res:0.01v)
72 +* Power Input 7~~ 24V DC. 
107 107  
108 -(((
109 -
110 -
111 111  (% style="color:#037691" %)**LoRa Spec:**
112 -)))
113 113  
114 -* (((
115 -(((
116 -Frequency Range:
117 -)))
76 +* Frequency Range:
77 +** Band 1 (HF): 862 ~~ 1020 Mhz
78 +** Band 2 (LF): 410 ~~ 528 Mhz
79 +* 168 dB maximum link budget.
80 +* +20 dBm - 100 mW constant RF output vs.
81 +* +14 dBm high efficiency PA.
82 +* Programmable bit rate up to 300 kbps.
83 +* High sensitivity: down to -148 dBm.
84 +* Bullet-proof front end: IIP3 = -12.5 dBm.
85 +* Excellent blocking immunity.
86 +* Low RX current of 10.3 mA, 200 nA register retention.
87 +* Fully integrated synthesizer with a resolution of 61 Hz.
88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 +* Built-in bit synchronizer for clock recovery.
90 +* Preamble detection.
91 +* 127 dB Dynamic Range RSSI.
92 +* Automatic RF Sense and CAD with ultra-fast AFC.
93 +* Packet engine up to 256 bytes with CRC.
118 118  
119 -* (((
120 -Band 1 (HF): 862 ~~ 1020 Mhz
121 -)))
122 -* (((
123 -Band 2 (LF): 410 ~~ 528 Mhz
124 -)))
125 -)))
126 -* (((
127 -168 dB maximum link budget.
128 -)))
129 -* (((
130 -+20 dBm - 100 mW constant RF output vs.
131 -)))
132 -* (((
133 -+14 dBm high efficiency PA.
134 -)))
135 -* (((
136 -Programmable bit rate up to 300 kbps.
137 -)))
138 -* (((
139 -High sensitivity: down to -148 dBm.
140 -)))
141 -* (((
142 -Bullet-proof front end: IIP3 = -12.5 dBm.
143 -)))
144 -* (((
145 -Excellent blocking immunity.
146 -)))
147 -* (((
148 -Low RX current of 10.3 mA, 200 nA register retention.
149 -)))
150 -* (((
151 -Fully integrated synthesizer with a resolution of 61 Hz.
152 -)))
153 -* (((
154 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 -)))
156 -* (((
157 -Built-in bit synchronizer for clock recovery.
158 -)))
159 -* (((
160 -Preamble detection.
161 -)))
162 -* (((
163 -127 dB Dynamic Range RSSI.
164 -)))
165 -* (((
166 -Automatic RF Sense and CAD with ultra-fast AFC.
167 -)))
168 -* (((
169 -Packet engine up to 256 bytes with CRC.
170 -
171 -
172 -
173 -)))
174 -
175 175  == 1.3 Features ==
176 176  
177 -
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
105 +== 1.4 Applications ==
192 192  
193 -
194 -== 1.4  Applications ==
195 -
196 -
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 -
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 214  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
215 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
118 +|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
216 216  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 217  (% style="text-align:center" %)
218 218  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -225,94 +225,140 @@
225 225  * 1 x Counting Port
226 226  )))
227 227  
131 += 2. Assembling the Device =
228 228  
133 +== 2.1 What is included in the package? ==
229 229  
230 -= 2. Power ON Device =
135 +The package includes the following items:
231 231  
137 +* 1 x LT-22222-L I/O Controller
138 +* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 +* 1 x bracket for wall mounting
140 +* 1 x programming cable
232 232  
233 -(((
234 -The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
235 -)))
142 +Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
236 236  
237 -(((
238 -PWR will on when device is properly powered.
144 +== 2.2 Terminals ==
239 239  
240 -
241 -)))
146 +Upper screw terminal block (from left to right):
242 242  
148 +(% style="width:634px" %)
149 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
156 +
157 +Lower screw terminal block (from left to right):
158 +
159 +(% style="width:633px" %)
160 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 +
172 +== 2.3 Powering ==
173 +
174 +The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
175 +
176 +
243 243  [[image:1653297104069-180.png]]
244 244  
245 245  
246 246  = 3. Operation Mode =
247 247  
248 -== 3.1 How it works? ==
182 +== 3.1 How does it work? ==
249 249  
184 +The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
250 250  
251 -(((
252 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
253 -)))
186 +For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
254 254  
255 -(((
256 -In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
257 -)))
188 +In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
258 258  
190 +== 3.2 Registering with a LoRaWAN network server ==
259 259  
260 -== 3.2 Example to join LoRaWAN network ==
192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
261 261  
194 +[[image:image-20220523172350-1.png||height="266" width="864"]]
262 262  
263 -(((
264 -This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
196 +=== 3.2.1 Prerequisites ===
265 265  
266 -
267 -)))
198 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
268 268  
269 -[[image:image-20220523172350-1.png||height="266" width="864"]]
200 +[[image:image-20230425173427-2.png||height="246" width="530"]]
270 270  
202 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
271 271  
272 -(((
273 -The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
204 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
274 274  
275 -
276 -)))
206 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
207 +* Create an application if you do not have one yet.
208 +* Register LT-22222-L with that application. Two registration options available:
277 277  
278 -(((
279 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
280 -)))
210 +==== Using the LoRaWAN Device Repository: ====
281 281  
282 -(((
283 -Each LT is shipped with a sticker with the default device EUI as below:
284 -)))
212 +* Go to your application and click on the **Register end device** button.
213 +* On the **Register end device** page:
214 +** Select the option **Select the end device in the LoRaWAN Device Repository**.
215 +** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
216 +** Select the **Frequency plan** that matches with your device.
285 285  
286 -[[image:image-20230425173427-2.png||height="246" width="530"]]
218 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
287 287  
220 +*
221 +** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
222 +** Enter the **DevEUI** in the **DevEUI** field.
223 +** Enter the **AppKey** in the **AppKey** field.
224 +** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
225 +** Under **After registration**, select the **View registered end device** option.
288 288  
289 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
227 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
290 290  
291 -**Add APP EUI in the application.**
229 +==== Entering device information manually: ====
292 292  
293 -[[image:1653297955910-247.png||height="321" width="716"]]
231 +* On the **Register end device** page:
232 +** Select the **Enter end device specifies manually** option as the input method.
233 +** Select the **Frequency plan** that matches with your device.
234 +** Select the **LoRaWAN version**.
235 +** Select the **Regional Parameters version**.
236 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
237 +** Select **Over the air activation (OTAA)** option under **Activation mode**
238 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
294 294  
240 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
295 295  
296 -**Add APP KEY and DEV EUI**
297 297  
298 -[[image:1653298023685-319.png]]
243 +* Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
244 +* Enter **DevEUI** in the **DevEUI** field.
245 +* Enter **AppKey** in the **AppKey** field.
246 +* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
247 +* Under **After registration**, select the **View registered end device** option.
299 299  
249 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
300 300  
301 -(((
302 -(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
303 303  
304 -
305 -)))
252 +==== Joining ====
306 306  
254 +Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
255 +
307 307  [[image:1653298044601-602.png||height="405" width="709"]]
308 308  
309 309  
310 -== 3.3 Uplink Payload ==
259 +== 3.3 Uplink Payload formats ==
311 311  
312 312  
313 -There are five working modes + one interrupt mode on LT for different type application:
262 +The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different type applications that can be used together with all the working modes as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
314 314  
315 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
264 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
316 316  
317 317  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
318 318  
... ... @@ -324,16 +324,14 @@
324 324  
325 325  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
326 326  
327 -
328 -
329 329  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
330 330  
331 331  
332 332  (((
333 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
280 +The uplink payload is 11 bytes long. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" %)
334 334  
335 335  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
336 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
283 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
337 337  |Value|(((
338 338  AVI1 voltage
339 339  )))|(((
... ... @@ -348,23 +348,23 @@
348 348  )))
349 349  
350 350  (((
351 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
298 +(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
352 352  
353 353  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
354 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
355 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
301 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
302 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
356 356  )))
357 357  
358 -* RO is for relay. ROx=1 : close, ROx=0 always open.
359 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
360 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
305 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
306 +* DI is for digital input. DIx=1: high or floating, DIx=0: low.
307 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
361 361  
362 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
309 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
363 363  
364 -For example if payload is: [[image:image-20220523175847-2.png]]
311 +For example, if the payload is: [[image:image-20220523175847-2.png]]
365 365  
366 366  
367 -**The value for the interface is:  **
314 +**The interface values can be calculated as follows:  **
368 368  
369 369  AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
370 370  
... ... @@ -374,40 +374,38 @@
374 374  
375 375  ACI2 channel current is 0x1300/1000=4.864mA
376 376  
377 -The last byte 0xAA= 10101010(B) means
324 +The last byte 0xAA= 10101010(b) means,
378 378  
379 -* [1] RO1 relay channel is close and the RO1 LED is ON.
380 -* [0] RO2 relay channel is open and RO2 LED is OFF;
381 -
382 -**LT22222-L:**
383 -
384 -* [1] DI2 channel is high input and DI2 LED is ON;
385 -* [0] DI1 channel is low input;
386 -
387 -* [0] DO3 channel output state
388 -** DO3 is float in case no load between DO3 and V+.;
326 +* [1] RO1 relay channel is closed, and the RO1 LED is ON.
327 +* [0] RO2 relay channel is open, and RO2 LED is OFF.
328 +* [1] DI3 - not used for LT-22222-L.
329 +* [0] DI2 channel input is low, and the DI2 LED is OFF.
330 +* [1] DI1 channel input state:
331 +** DI1 is floating when there is no load between DI1 and V+.
332 +** DI1 is high when there is load between DI1 and V+.
333 +** DI1 LED is ON in both cases.
334 +* [0] DO3 channel output state:
335 +** DO3 is float in case no load between DO3 and V+.
389 389  ** DO3 is high in case there is load between DO3 and V+.
390 -** DO3 LED is off in both case
391 -* [1] DO2 channel output is low and DO2 LED is ON.
392 -* [0] DO1 channel output state
393 -** DO1 is float in case no load between DO1 and V+.;
394 -** DO1 is high in case there is load between DO1 and V+.
395 -** DO1 LED is off in both case
337 +** DO3 LED is OFF in both case
338 +* [1] DO2 channel output is low, and the DO2 LED is ON.
339 +* [0] DO1 channel output state:
340 +** DO1 is floating when there is no load between DO1 and V+.
341 +** DO1 is high when there is load between DO1 and V+.
342 +** DO1 LED is OFF in both case.
396 396  
397 -
398 -
399 399  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
400 400  
401 401  
402 402  (((
403 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
348 +**For LT-22222-L**: In this mode, the **DI1 and DI2** are used as counting pins.
404 404  )))
405 405  
406 406  (((
407 -Total : 11 bytes payload
352 +The uplink payload is 11 bytes long.
408 408  
409 409  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
410 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
355 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
411 411  |Value|COUNT1|COUNT2 |DIDORO*|(((
412 412  Reserve
413 413  )))|MOD
... ... @@ -414,26 +414,26 @@
414 414  )))
415 415  
416 416  (((
417 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
362 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
418 418  
419 419  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
420 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
421 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
365 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
366 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
422 422  
423 -RO is for relay. ROx=1 : close , ROx=0 always open.
368 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
424 424  )))
425 425  
426 -* FIRST: Indicate this is the first packet after join network.
427 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
371 +* FIRST: Indicates that this is the first packet after joining the network.
372 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
428 428  
429 429  (((
430 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
375 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
431 431  
432 432  
433 433  )))
434 434  
435 435  (((
436 -**To use counting mode, please run:**
381 +**To activate this mode, please run the following AT command:**
437 437  )))
438 438  
439 439  (((
... ... @@ -454,17 +454,17 @@
454 454  (((
455 455  **For LT22222-L:**
456 456  
457 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
402 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set the DI1 port to trigger on a low level, the valid signal duration is 100ms) **
458 458  
459 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
404 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set the DI1 port to trigger on a high level, the valid signal duration is 100ms) **
460 460  
461 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
406 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set the DI2 port to trigger on a low level, the valid signal duration is 100ms) **
462 462  
463 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
408 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set the DI2 port to trigger on a high level, the valid signal duration is 100ms) **
464 464  
465 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
410 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set the COUNT1 value to 60)**
466 466  
467 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
412 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set the COUNT2 value to 60)**
468 468  )))
469 469  
470 470  
... ... @@ -471,10 +471,10 @@
471 471  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
472 472  
473 473  
474 -**LT22222-L**: This mode the DI1 is used as a counting pin.
419 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
475 475  
476 476  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
477 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
422 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
478 478  |Value|COUNT1|(((
479 479  ACI1 Current
480 480  )))|(((
... ... @@ -482,16 +482,16 @@
482 482  )))|DIDORO*|Reserve|MOD
483 483  
484 484  (((
485 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
430 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
486 486  
487 487  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
488 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
489 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
433 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
434 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
490 490  )))
491 491  
492 -* RO is for relay. ROx=1 : close, ROx=0 always open.
493 -* FIRST: Indicate this is the first packet after join network.
494 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
437 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
438 +* FIRST: Indicates that this is the first packet after joining the network.
439 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
495 495  
496 496  (((
497 497  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
... ... @@ -499,7 +499,7 @@
499 499  
500 500  
501 501  (((
502 -**To use counting mode, please run:**
447 +**To activate this mode, please run the following AT command:**
503 503  )))
504 504  
505 505  (((
... ... @@ -512,7 +512,9 @@
512 512  )))
513 513  
514 514  (((
515 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
460 +AT Commands for counting:
461 +
462 +The AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. Use only the commands that match 'DI'.
516 516  )))
517 517  
518 518  
... ... @@ -520,14 +520,14 @@
520 520  
521 521  
522 522  (((
523 -**LT22222-L**: This mode the DI1 is used as a counting pin.
470 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
524 524  )))
525 525  
526 526  (((
527 -The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
474 +The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
528 528  
529 529  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
530 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
477 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
531 531  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
532 532  Reserve
533 533  )))|MOD
... ... @@ -534,16 +534,16 @@
534 534  )))
535 535  
536 536  (((
537 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484 +(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
538 538  
539 539  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
540 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
541 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
487 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
488 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
542 542  )))
543 543  
544 -* RO is for relay. ROx=1 : close, ROx=0 always open.
545 -* FIRST: Indicate this is the first packet after join network.
546 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 +* RO is for relay. ROx=1 : closed, ROx=0 always open.
492 +* FIRST: Indicates that this is the first packet after joining the network.
493 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
547 547  
548 548  (((
549 549  (% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
... ... @@ -552,7 +552,7 @@
552 552  )))
553 553  
554 554  (((
555 -**To use this mode, please run:**
502 +**To activate this mode, please run the following AT command:**
556 556  )))
557 557  
558 558  (((
... ... @@ -569,9 +569,9 @@
569 569  )))
570 570  
571 571  (((
572 -**Plus below command for AVI1 Counting:**
519 +**In addition to that, below are the commands for AVI1 Counting:**
573 573  
574 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
521 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
575 575  
576 576  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
577 577  
... ... @@ -587,7 +587,7 @@
587 587  **LT22222-L**: This mode the DI1 is used as a counting pin.
588 588  
589 589  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
590 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
537 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
591 591  |Value|(((
592 592  AVI1 voltage
593 593  )))|(((
... ... @@ -723,7 +723,7 @@
723 723  MOD6 Payload : total 11 bytes payload
724 724  
725 725  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
726 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
673 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
727 727  |Value|(((
728 728  TRI_A FLAG
729 729  )))|(((
... ... @@ -842,8 +842,6 @@
842 842  
843 843  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
844 844  
845 -
846 -
847 847  === 3.4.1 Common Commands ===
848 848  
849 849  
... ... @@ -1053,7 +1053,7 @@
1053 1053  01: Low,  00: High ,  11: No action
1054 1054  
1055 1055  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1056 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1001 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1057 1057  |02  01  00  11|Low|High|No Action
1058 1058  |02  00  11  01|High|No Action|Low
1059 1059  |02  11  01  00|No Action|Low|High
... ... @@ -1096,7 +1096,7 @@
1096 1096  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1097 1097  
1098 1098  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1099 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1044 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1100 1100  |0x01|DO1 set to low
1101 1101  |0x00|DO1 set to high
1102 1102  |0x11|DO1 NO Action
... ... @@ -1104,7 +1104,7 @@
1104 1104  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1105 1105  
1106 1106  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1107 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1052 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1108 1108  |0x01|DO2 set to low
1109 1109  |0x00|DO2 set to high
1110 1110  |0x11|DO2 NO Action
... ... @@ -1112,7 +1112,7 @@
1112 1112  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1113 1113  
1114 1114  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1115 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1060 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1116 1116  |0x01|DO3 set to low
1117 1117  |0x00|DO3 set to high
1118 1118  |0x11|DO3 NO Action
... ... @@ -1149,7 +1149,7 @@
1149 1149  
1150 1150  
1151 1151  
1152 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1097 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1153 1153  
1154 1154  
1155 1155  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1167,10 +1167,10 @@
1167 1167  )))
1168 1168  
1169 1169  (((
1170 -01: Close ,  00: Open , 11: No action
1115 +00: Close ,  01: Open , 11: No action
1171 1171  
1172 1172  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1173 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1118 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1174 1174  |03  00  11|Open|No Action
1175 1175  |03  01  11|Close|No Action
1176 1176  |03  11  00|No Action|Open
... ... @@ -1410,56 +1410,73 @@
1410 1410  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1411 1411  
1412 1412  
1413 -== 3.5 Integrate with Mydevice ==
1358 +== 3.5 Integrating with ThingsEye.io ==
1414 1414  
1360 +If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1415 1415  
1416 -Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1362 +=== 3.5.1 Configuring The Things Stack Sandbox ===
1417 1417  
1418 -(((
1419 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1420 -)))
1364 +* Go to your Application and select MQTT under Integrations.
1365 +* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
1366 +* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1421 1421  
1422 -(((
1423 -(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1368 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1424 1424  
1425 -
1426 -)))
1370 +=== 3.5.2 Configuring ThingsEye.io ===
1427 1427  
1428 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1372 +* Login to your thingsEye.io account.
1373 +* Under the Integrations center, click Integrations.
1374 +* Click the Add integration button (the button with the + symbol).
1429 1429  
1376 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1430 1430  
1431 1431  
1432 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1379 +On the Add integration page configure the following:
1433 1433  
1381 +Basic settings:
1434 1434  
1435 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1383 +* Select The Things Stack Community from the Integration type list.
1384 +* Enter a suitable name for your integration in the Name box or keep the default name.
1385 +* Click the Next button.
1436 1436  
1437 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1387 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1438 1438  
1439 -Search under The things network
1389 +Uplink Data converter:
1440 1440  
1441 -[[image:1653356838789-523.png||height="337" width="740"]]
1391 +* Click the Create New button if it is not selected by default.
1392 +* Click the JavaScript button.
1393 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1394 +* Click the Next button.
1442 1442  
1396 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1443 1443  
1444 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1398 +Downlink Data converter (this is an optional step):
1445 1445  
1446 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1400 +* Click the Create new button if it is not selected by default.
1401 +* Click the JavaScript button.
1402 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1403 +* Click the Next button.
1447 1447  
1405 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1448 1448  
1449 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1407 +Connection:
1450 1450  
1409 +* Choose Region from the Host type.
1410 +* Enter the cluster of your The Things Stack in the Region textbox.
1411 +* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
1412 +* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
1413 +* Click the Add button.
1451 1451  
1452 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1415 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1453 1453  
1454 1454  
1455 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1418 +Your integration is added to the integrations list and it will display on the Integrations page.
1456 1456  
1420 +[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1457 1457  
1458 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1459 1459  
1423 +== 3.6 Interface Details ==
1460 1460  
1461 -== 3.6 Interface Detail ==
1462 -
1463 1463  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1464 1464  
1465 1465  
... ... @@ -1468,16 +1468,16 @@
1468 1468  [[image:1653356991268-289.png]]
1469 1469  
1470 1470  
1471 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1433 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1472 1472  
1473 1473  
1474 1474  (((
1475 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1437 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1476 1476  )))
1477 1477  
1478 1478  (((
1479 1479  (((
1480 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1442 +The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH, and the DI LED status changes.
1481 1481  
1482 1482  
1483 1483  )))
... ... @@ -1487,7 +1487,7 @@
1487 1487  
1488 1488  (((
1489 1489  (((
1490 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1452 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1491 1491  )))
1492 1492  )))
1493 1493  
... ... @@ -1496,22 +1496,22 @@
1496 1496  )))
1497 1497  
1498 1498  (((
1499 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1461 +(% style="color:blue" %)**Example1**(%%): Connecting to a low-active sensor.
1500 1500  )))
1501 1501  
1502 1502  (((
1503 -This type of sensor will output a low signal GND when active.
1465 +This type of sensors outputs a low (GND) signal when active.
1504 1504  )))
1505 1505  
1506 1506  * (((
1507 -Connect sensor's output to DI1-
1469 +Connect the sensor's output to DI1-
1508 1508  )))
1509 1509  * (((
1510 -Connect sensor's VCC to DI1+.
1472 +Connect the sensor's VCC to DI1+.
1511 1511  )))
1512 1512  
1513 1513  (((
1514 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1476 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be：
1515 1515  )))
1516 1516  
1517 1517  (((
... ... @@ -1519,7 +1519,7 @@
1519 1519  )))
1520 1520  
1521 1521  (((
1522 -If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1484 +For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
1523 1523  )))
1524 1524  
1525 1525  (((
... ... @@ -1527,22 +1527,22 @@
1527 1527  )))
1528 1528  
1529 1529  (((
1530 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1492 +(% style="color:blue" %)**Example2**(%%): Connecting to a high-active sensor.
1531 1531  )))
1532 1532  
1533 1533  (((
1534 -This type of sensor will output a high signal (example 24v) when active.
1496 +This type of sensors outputs a high signal (e.g., 24V) when active.
1535 1535  )))
1536 1536  
1537 1537  * (((
1538 -Connect sensor's output to DI1+
1500 +Connect the sensor's output to DI1+
1539 1539  )))
1540 1540  * (((
1541 -Connect sensor's GND DI1-.
1503 +Connect the sensor's GND DI1-.
1542 1542  )))
1543 1543  
1544 1544  (((
1545 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1507 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1546 1546  )))
1547 1547  
1548 1548  (((
... ... @@ -1550,7 +1550,7 @@
1550 1550  )))
1551 1551  
1552 1552  (((
1553 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1515 +If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] 24mA , Therefore, the LT-22222-L will detect this high-active signal.
1554 1554  )))
1555 1555  
1556 1556  (((
... ... @@ -1558,22 +1558,22 @@
1558 1558  )))
1559 1559  
1560 1560  (((
1561 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1523 +(% style="color:blue" %)**Example3**(%%): Connecting to a 220V high-active sensor.
1562 1562  )))
1563 1563  
1564 1564  (((
1565 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1527 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1566 1566  )))
1567 1567  
1568 1568  * (((
1569 -Connect sensor's output to DI1+ with a serial 50K resistor
1531 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1570 1570  )))
1571 1571  * (((
1572 -Connect sensor's GND DI1-.
1534 +Connect the sensor's GND DI1-.
1573 1573  )))
1574 1574  
1575 1575  (((
1576 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1538 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1577 1577  )))
1578 1578  
1579 1579  (((
... ... @@ -1581,33 +1581,37 @@
1581 1581  )))
1582 1582  
1583 1583  (((
1584 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1546 +If the sensor output is 220V, then [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
1585 1585  )))
1586 1586  
1587 1587  
1588 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1550 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1589 1589  
1590 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1552 +From DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
1591 1591  
1592 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1554 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1593 1593  
1594 1594  [[image:image-20230616235145-1.png]]
1595 1595  
1558 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1596 1596  
1597 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1560 +[[image:image-20240219115718-1.png]]
1598 1598  
1599 1599  
1600 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1563 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1601 1601  
1602 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1603 1603  
1566 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1567 +
1568 +(% style="color:red" %)**Note: The DO pins will float when device is powered off.**
1569 +
1604 1604  [[image:1653357531600-905.png]]
1605 1605  
1606 1606  
1607 -=== 3.6.4 Analog Input Interface ===
1573 +=== 3.6.4 Analog Input Interfaces ===
1608 1608  
1609 1609  
1610 -The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1576 +The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1611 1611  
1612 1612  
1613 1613  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1614,14 +1614,14 @@
1614 1614  
1615 1615  [[image:1653357592296-182.png]]
1616 1616  
1617 -Example to connect a 4~~20mA sensor
1583 +Example: Connecting a 4~~20mA sensor
1618 1618  
1619 -We take the wind speed sensor as an example for reference only.
1585 +We will use the wind speed sensor as an example for reference only.
1620 1620  
1621 1621  
1622 1622  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1623 1623  
1624 -(% style="color:red" %)**Red:  12~~24v**
1590 +(% style="color:red" %)**Red:  12~~24V**
1625 1625  
1626 1626  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1627 1627  
... ... @@ -1634,7 +1634,7 @@
1634 1634  [[image:1653357648330-671.png||height="155" width="733"]]
1635 1635  
1636 1636  
1637 -Example connected to a regulated power supply to measure voltage
1603 +Example: Connecting to a regulated power supply to measure voltage
1638 1638  
1639 1639  [[image:image-20230608101532-1.png||height="606" width="447"]]
1640 1640  
... ... @@ -1643,7 +1643,7 @@
1643 1643  [[image:image-20230608101722-3.png||height="102" width="1139"]]
1644 1644  
1645 1645  
1646 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1612 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1647 1647  
1648 1648  (% style="color:red" %)**Red:  12~~24v**
1649 1649  
... ... @@ -1654,9 +1654,9 @@
1654 1654  
1655 1655  
1656 1656  (((
1657 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1623 +The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1658 1658  
1659 -**Note**: RO pins go to Open(NO) when device is power off.
1625 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1660 1660  )))
1661 1661  
1662 1662  [[image:image-20220524100215-9.png]]
... ... @@ -1668,12 +1668,9 @@
1668 1668  == 3.7 LEDs Indicators ==
1669 1669  
1670 1670  
1671 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1672 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1637 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1638 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1673 1673  |**PWR**|Always on if there is power
1674 -|**SYS**|(((
1675 -After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1676 -)))
1677 1677  |**TX**|(((
1678 1678  (((
1679 1679  Device boot: TX blinks 5 times.
... ... @@ -1688,41 +1688,31 @@
1688 1688  )))
1689 1689  )))
1690 1690  |**RX**|RX blinks once when receive a packet.
1691 -|**DO1**|
1692 -|**DO2**|
1693 -|**DO3**|
1694 -|**DI2**|(((
1695 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1654 +|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1655 +|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1656 +|**DI1**|(((
1657 +For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1696 1696  )))
1697 1697  |**DI2**|(((
1698 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1660 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1699 1699  )))
1700 -|**DI2**|(((
1701 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1702 -)))
1703 -|**RO1**|
1704 -|**RO2**|
1662 +|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1663 +|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1705 1705  
1665 += 4. Using AT Command =
1706 1706  
1667 +== 4.1 Connecting the LT-22222-L to a computer ==
1707 1707  
1708 -= 4. Use AT Command =
1709 1709  
1710 -== 4.1 Access AT Command ==
1711 -
1712 -
1713 1713  (((
1714 -LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1671 +The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1715 1715  )))
1716 1716  
1717 -(((
1718 -
1719 -)))
1720 -
1721 1721  [[image:1653358238933-385.png]]
1722 1722  
1723 1723  
1724 1724  (((
1725 -In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1678 +On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) to a baud rate of (% style="color:green" %)**9600**(%%) to access to access serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1726 1726  )))
1727 1727  
1728 1728  [[image:1653358355238-883.png]]
... ... @@ -1729,10 +1729,12 @@
1729 1729  
1730 1730  
1731 1731  (((
1732 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1685 +You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1733 1733  )))
1734 1734  
1735 1735  (((
1689 +The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
1690 +
1736 1736  AT+<CMD>?        : Help on <CMD>
1737 1737  )))
1738 1738  
... ... @@ -2104,7 +2104,6 @@
2104 2104  
2105 2105  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2106 2106  
2107 -
2108 2108  [[image:1653360054704-518.png||height="186" width="745"]]
2109 2109  
2110 2110  
... ... @@ -2194,7 +2194,7 @@
2194 2194  [[image:1653360498588-932.png||height="485" width="726"]]
2195 2195  
2196 2196  
2197 -== 6.4 How to change the uplink interval？ ==
2151 +== 6.4 How to change the uplink interval? ==
2198 2198  
2199 2199  
2200 2200  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
... ... @@ -2243,6 +2243,12 @@
2243 2243  Firmware version needs to be no less than 1.6.0.
2244 2244  
2245 2245  
2200 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2201 +
2202 +
2203 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2204 +
2205 +
2246 2246  = 7. Trouble Shooting =
2247 2247  )))
2248 2248  
... ... @@ -2283,6 +2283,13 @@
2283 2283  )))
2284 2284  
2285 2285  
2246 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2247 +
2248 +
2249 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2250 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2251 +
2252 +
2286 2286  = 8. Order Info =
2287 2287  
2288 2288  
... ... @@ -2300,8 +2300,6 @@
2300 2300  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2301 2301  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2302 2302  
2303 -
2304 -
2305 2305  = 9. Packing Info =
2306 2306  
2307 2307  
... ... @@ -2319,8 +2319,6 @@
2319 2319  * Package Size / pcs : 14.5 x 8 x 5 cm
2320 2320  * Weight / pcs : 170g
2321 2321  
2322 -
2323 -
2324 2324  = 10. Support =
2325 2325  
2326 2326  
... ... @@ -2340,5 +2340,3 @@
2340 2340  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2341 2341  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2342 2342  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2343 -
2344 -
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