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Last modified by Xiaoling on 2023/09/19 09:20
From version 150.1
edited by Edwin Chen
on 2023/06/05 14:53
Change comment: There is no comment for this version
To version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
Change comment: There is no comment for this version

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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 -
11 -== 1.1  What is LA66 LoRaWAN Module ==
12 -
13 -
14 -(((
15 -(((
16 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 -)))
18 -
19 -(((
20 -
21 -)))
22 -
23 -(((
24 24  (% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
25 -)))
26 -)))
27 27  
28 -(((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 -)))
32 -)))
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
33 33  
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 38  
39 -(((
40 40  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
41 -)))
42 -)))
43 43  
44 -(((
45 -(((
46 46  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 -)))
48 -)))
49 49  
50 50  
51 -== 1.2  Features ==
20 +== Features ==
52 52  
53 -
54 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
55 55  * Support peer-to-peer protocol
56 56  * TCXO crystal to ensure RF performance on low temperature
57 57  * SMD Antenna pad and i-pex antenna connector
... ... @@ -61,10 +61,84 @@
61 61  * Firmware upgradable via UART interface
62 62  * Ultra-long RF range
63 63  
32 +== Specification ==
64 64  
65 -== 1.3  Specification ==
34 +* CPU: 32-bit 48 MHz
35 +* Flash: 256KB
36 +* RAM: 64KB
37 +* Input Power Range: 1.8v ~~ 3.7v
38 +* Power Consumption: < 4uA.
39 +* Frequency Range: 150 MHz ~~ 960 MHz
40 +* Maximum Power +22 dBm constant RF output
41 +* High sensitivity: -148 dBm
42 +* Temperature:
43 +** Storage: -55 ~~ +125℃
44 +** Operating: -40 ~~ +85℃
45 +* Humidity:
46 +** Storage: 5 ~~ 95% (Non-Condensing)
47 +** Operating: 10 ~~ 95% (Non-Condensing)
48 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
49 +* LoRa Rx current: <9 mA
50 +* I/O Voltage: 3.3v
66 66  
52 +== AT Command ==
67 67  
54 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
55 +
56 +
57 +== Dimension ==
58 +
59 +[[image:image-20220517072526-1.png]]
60 +
61 +
62 +== Pin Mapping ==
63 +
64 +[[image:image-20220523101537-1.png]]
65 +
66 +== Land Pattern ==
67 +
68 +[[image:image-20220517072821-2.png]]
69 +
70 +
71 +== Order Info ==
72 +
73 +Part Number: **LA66-XXX**
74 +
75 +**XX**: The default frequency band
76 +
77 +* **AS923**: LoRaWAN AS923 band
78 +* **AU915**: LoRaWAN AU915 band
79 +* **EU433**: LoRaWAN EU433 band
80 +* **EU868**: LoRaWAN EU868 band
81 +* **KR920**: LoRaWAN KR920 band
82 +* **US915**: LoRaWAN US915 band
83 +* **IN865**: LoRaWAN IN865 band
84 +* **CN470**: LoRaWAN CN470 band
85 +* **PP**: Peer to Peer LoRa Protocol
86 +
87 +
88 += LA66 LoRaWAN Shield =
89 +
90 +== Overview ==
91 +
92 +LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
93 +
94 +
95 +== Features ==
96 +
97 +* Arduino Shield base on LA66 LoRaWAN module
98 +* Support LoRaWAN v1.0.4 protocol
99 +* Support peer-to-peer protocol
100 +* TCXO crystal to ensure RF performance on low temperature
101 +* SMA connector
102 +* Available in different frequency LoRaWAN frequency bands.
103 +* World-wide unique OTAA keys.
104 +* AT Command via UART-TTL interface
105 +* Firmware upgradable via UART interface
106 +* Ultra-long RF range
107 +
108 +== Specification ==
109 +
68 68  * CPU: 32-bit 48 MHz
69 69  * Flash: 256KB
70 70  * RAM: 64KB
... ... @@ -83,107 +83,212 @@
83 83  * LoRa Rx current: <9 mA
84 84  * I/O Voltage: 3.3v
85 85  
128 +== Pin Mapping & LED ==
86 86  
87 -== 1.4  AT Command ==
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 88  
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
89 89  
90 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
91 91  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
92 92  
93 -== 1.5  Dimension ==
138 +=== what needs to be used ===
94 94  
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
95 95  
96 -[[image:image-20220718094750-3.png]]
142 +2.Arduino
97 97  
144 +3.USB TO TTL
98 98  
99 -== 1.6  Pin Mapping ==
146 +[[image:image-20220602100052-2.png]]
100 100  
101 -[[image:image-20220720111850-1.png]]
148 +=== Wiring Schematic ===
102 102  
150 +[[image:image-20220602101311-3.png]]
103 103  
104 -== 1.7  Land Pattern ==
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
105 105  
154 +GND  >>>>>>>>>>>>GND
106 106  
107 -[[image:image-20220517072821-2.png]]
156 +TXD  >>>>>>>>>>>>TXD
108 108  
158 +RXD  >>>>>>>>>>>>RXD
109 109  
110 -= 2.  FAQ =
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111 111  
112 -== 2.1  Where to find examples of how to use LA66? ==
162 +Connect to the PC after connecting the wires
113 113  
164 +[[image:image-20220602102240-4.png]]
114 114  
166 +=== Upgrade steps ===
167 +
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
169 +
170 +[[image:image-20220602102824-5.png]]
171 +
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
173 +
174 +[[image:image-20220602104701-12.png]]
175 +
176 +==== Open the upgrade application software ====
177 +
178 +Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
179 +
180 +[[image:image-20220602103227-6.png]]
181 +
182 +[[image:image-20220602103357-7.png]]
183 +
184 +===== Select the COM port corresponding to USB TTL =====
185 +
186 +[[image:image-20220602103844-8.png]]
187 +
188 +===== Select the bin file to burn =====
189 +
190 +[[image:image-20220602104144-9.png]]
191 +
192 +[[image:image-20220602104251-10.png]]
193 +
194 +[[image:image-20220602104402-11.png]]
195 +
196 +===== Click to start the download =====
197 +
198 +[[image:image-20220602104923-13.png]]
199 +
200 +===== The following figure appears to prove that the burning is in progress =====
201 +
202 +[[image:image-20220602104948-14.png]]
203 +
204 +===== The following picture appears to prove that the burning is successful =====
205 +
206 +[[image:image-20220602105251-15.png]]
207 +
115 115  (% class="wikigeneratedid" %)
116 -Below products are made by LA66. User can use their examples as reference:
209 += =
117 117  
118 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
119 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
211 +== Order Info ==
120 120  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
121 121  
122 -== 2.2  How to Compile Source Code for LA66? ==
215 +**XX**: The default frequency band
123 123  
217 +* **AS923**: LoRaWAN AS923 band
218 +* **AU915**: LoRaWAN AU915 band
219 +* **EU433**: LoRaWAN EU433 band
220 +* **EU868**: LoRaWAN EU868 band
221 +* **KR920**: LoRaWAN KR920 band
222 +* **US915**: LoRaWAN US915 band
223 +* **IN865**: LoRaWAN IN865 band
224 +* **CN470**: LoRaWAN CN470 band
225 +* **PP**: Peer to Peer LoRa Protocol
124 124  
125 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
126 126  
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
127 127  
128 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
129 129  
130 130  
131 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
132 132  
133 133  
134 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
135 135  
238 += LA66 USB LoRaWAN Adapter =
136 136  
137 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
240 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
138 138  
242 +Before use, please make sure that the computer has installed the CP2102 driver
139 139  
140 -== 2.5 How can i use J-LInk to debug LA66? ==
244 +== Pin Mapping & LED ==
141 141  
246 +== Example Send & Get Messages via LoRaWAN in PC ==
142 142  
248 +Connect the LA66 LoRa Shield to the PC
143 143  
144 -= 3.  Order Info =
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
145 145  
252 +Open the serial port tool
146 146  
147 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
254 +[[image:image-20220602161617-8.png]]
148 148  
149 -(% style="color:blue" %)**XXX**(%%): The default frequency band
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
150 150  
151 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
152 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
153 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
154 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
155 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
156 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
157 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
158 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
159 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
258 +Press the reset switch RST on the LA66 LoRa Shield.
160 160  
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
161 161  
162 -= 4.  FCC Statement =
262 +[[image:image-20220602161935-10.png]]
163 163  
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
164 164  
165 -(% style="color:red" %)**FCC Caution:**
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
166 166  
167 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
268 +[[image:image-20220602162157-11.png]]
168 168  
169 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
270 +Check to see if TTN received the message
170 170  
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
171 171  
172 -(% style="color:red" %)**IMPORTANT NOTE: **
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
173 173  
174 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
276 +Connect the LA66 LoRa Shield to the RPI
175 175  
176 -—Reorient or relocate the receiving antenna.
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
177 177  
178 -—Increase the separation between the equipment and receiver.
280 +Log in to the RPI's terminal and connect to the serial port
179 179  
180 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
282 +[[image:image-20220602153146-3.png]]
181 181  
182 -—Consult the dealer or an experienced radio/TV technician for help.
284 +Press the reset switch RST on the LA66 LoRa Shield.
285 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
183 183  
287 +[[image:image-20220602154928-5.png]]
184 184  
185 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
186 186  
187 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
188 188  
293 +[[image:image-20220602160339-6.png]]
294 +
295 +Check to see if TTN received the message
296 +
297 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
298 +
299 +=== Install Minicom ===
300 +
301 +Enter the following command in the RPI terminal
302 +
303 +apt update
304 +
305 +[[image:image-20220602143155-1.png]]
306 +
307 +apt install minicom
308 +
309 +[[image:image-20220602143744-2.png]]
310 +
311 +=== Send PC's CPU/RAM usage to TTN via script. ===
312 +
313 +==== Take python as an example： ====
314 +
315 +===== Preconditions: =====
316 +
317 +1.LA66 USB LoRaWAN Adapter works fine
318 +
319 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
320 +
321 +===== Steps for usage =====
322 +
323 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
324 +
325 +2.Run the script and see the TTN
326 +
327 +[[image:image-20220602115852-3.png]]
328 +
329 +
330 +
331 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
332 +
333 +
334 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
335 +
189 189  
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