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Last modified by Xiaoling on 2023/09/19 09:20
From version 149.2
edited by Xiaoling
on 2022/10/21 11:10
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
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
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1 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 -**Table of Contents:**
5 += LA66 LoRaWAN Module =
4 4  
5 -{{toc/}}
7 +== What is LA66 LoRaWAN Module ==
6 6  
9 +(% 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.
7 7  
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.
8 8  
9 -= 1.  LA66 LoRaWAN Module =
13 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
10 10  
15 +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.
11 11  
12 -== 1.1  What is LA66 LoRaWAN Module ==
17 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
13 13  
14 14  
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
20 +== Features ==
19 19  
20 -(((
21 -
22 -)))
22 +* Support LoRaWAN v1.0.4 protocol
23 +* Support peer-to-peer protocol
24 +* TCXO crystal to ensure RF performance on low temperature
25 +* SMD Antenna pad and i-pex antenna connector
26 +* Available in different frequency LoRaWAN frequency bands.
27 +* World-wide unique OTAA keys.
28 +* AT Command via UART-TTL interface
29 +* Firmware upgradable via UART interface
30 +* Ultra-long RF range
23 23  
24 -(((
25 -(% 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.
26 -)))
27 -)))
32 +== Specification ==
28 28  
29 -(((
30 -(((
31 -(% 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.
32 -)))
33 -)))
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
34 34  
35 -(((
36 -(((
37 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
52 +== AT Command ==
39 39  
40 -(((
41 -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.
42 -)))
43 -)))
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.
44 44  
45 -(((
46 -(((
47 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 -)))
49 -)))
50 50  
57 +== Dimension ==
51 51  
59 +[[image:image-20220517072526-1.png]]
52 52  
53 -== 1.2  Features ==
54 54  
62 +== Pin Mapping ==
55 55  
56 -* Support LoRaWAN v1.0.3 protocol
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
57 57  * Support peer-to-peer protocol
58 58  * TCXO crystal to ensure RF performance on low temperature
59 -* SMD Antenna pad and i-pex antenna connector
101 +* SMA connector
60 60  * Available in different frequency LoRaWAN frequency bands.
61 61  * World-wide unique OTAA keys.
62 62  * AT Command via UART-TTL interface
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63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
108 +== Specification ==
66 66  
67 -
68 -== 1.3  Specification ==
69 -
70 -
71 71  * CPU: 32-bit 48 MHz
72 72  * Flash: 256KB
73 73  * RAM: 64KB
... ... @@ -86,113 +86,212 @@
86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
128 +== Pin Mapping & LED ==
89 89  
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
90 90  
91 -== 1.4  AT Command ==
132 +== Example: Join TTN network and send an uplink message, get downlink message. ==
92 92  
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
93 93  
94 -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]].
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
95 95  
138 +=== what needs to be used ===
96 96  
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
97 97  
98 -== 1.5  Dimension ==
142 +2.Arduino
99 99  
144 +3.USB TO TTL
100 100  
101 -[[image:image-20220718094750-3.png]]
146 +[[image:image-20220602100052-2.png]]
102 102  
148 +=== Wiring Schematic ===
103 103  
150 +[[image:image-20220602101311-3.png]]
104 104  
105 -== 1.6  Pin Mapping ==
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
107 -[[image:image-20220720111850-1.png]]
154 +GND  >>>>>>>>>>>>GND
108 108  
156 +TXD  >>>>>>>>>>>>TXD
109 109  
158 +RXD  >>>>>>>>>>>>RXD
110 110  
111 -== 1.7  Land Pattern ==
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
112 112  
162 +Connect to the PC after connecting the wires
113 113  
114 -[[image:image-20220517072821-2.png]]
164 +[[image:image-20220602102240-4.png]]
115 115  
166 +=== Upgrade steps ===
116 116  
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
117 117  
118 -= 2.  FAQ =
170 +[[image:image-20220602102824-5.png]]
119 119  
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
120 120  
121 -== 2.1  Where to find examples of how to use LA66? ==
174 +[[image:image-20220602104701-12.png]]
122 122  
176 +==== Open the upgrade application software ====
123 123  
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 +
124 124  (% class="wikigeneratedid" %)
125 -Below products are made by LA66. User can use their examples as reference:
209 += =
126 126  
127 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
128 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
211 +== Order Info ==
129 129  
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
130 130  
215 +**XX**: The default frequency band
131 131  
132 -== 2.2  How to Compile Source Code for LA66? ==
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
133 133  
134 134  
135 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
136 136  
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
137 137  
138 138  
139 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
140 140  
141 141  
142 -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.
143 143  
238 += LA66 USB LoRaWAN Adapter =
144 144  
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.
145 145  
146 -== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
242 +Before use, please make sure that the computer has installed the CP2102 driver
147 147  
244 +== Pin Mapping & LED ==
148 148  
149 -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]]
246 +== Example Send & Get Messages via LoRaWAN in PC ==
150 150  
248 +Connect the LA66 LoRa Shield to the PC
151 151  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
152 152  
153 -= 3.  Order Info =
252 +Open the serial port tool
154 154  
254 +[[image:image-20220602161617-8.png]]
155 155  
156 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
157 157  
258 +Press the reset switch RST on the LA66 LoRa Shield.
158 158  
159 -(% style="color:blue" %)**XXX**(%%): The default frequency band
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
160 160  
161 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
162 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
163 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
164 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
165 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
166 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
167 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
168 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
169 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
262 +[[image:image-20220602161935-10.png]]
170 170  
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
171 171  
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
172 172  
173 -= 4.  FCC Statement =
268 +[[image:image-20220602162157-11.png]]
174 174  
270 +Check to see if TTN received the message
175 175  
176 -(% style="color:red" %)**FCC Caution:**
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
177 177  
178 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
179 179  
180 -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.
276 +Connect the LA66 LoRa Shield to the RPI
181 181  
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
182 182  
183 -(% style="color:red" %)**IMPORTANT NOTE: **
280 +Log in to the RPI's terminal and connect to the serial port
184 184  
185 -(% 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:
282 +[[image:image-20220602153146-3.png]]
186 186  
187 -—Reorient or relocate the receiving antenna.
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
188 188  
189 -—Increase the separation between the equipment and receiver.
287 +[[image:image-20220602154928-5.png]]
190 190  
191 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 192  
193 -—Consult the dealer or an experienced radio/TV technician for help.
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
194 194  
293 +[[image:image-20220602160339-6.png]]
195 195  
196 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
295 +Check to see if TTN received the message
197 197  
198 -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.
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 +
336 +
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