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Last modified by Xiaoling on 2023/09/19 09:20
From version 148.6
edited by Xiaoling
on 2022/10/10 11:31
Change comment: There is no comment for this version
To version 75.1
edited by Edwin Chen
on 2022/07/03 00:21
Change comment: There is no comment for this version

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1 -LA66 LoRaWAN Module User Manual
1 +LA66 LoRaWAN Module
Author
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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 += LA66 LoRaWAN Shield =
88 +
89 +== Overview ==
90 +
91 +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.
92 +
93 +
94 +== Features ==
95 +
96 +* Arduino Shield base on LA66 LoRaWAN module
97 +* 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
100 +* 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
... ... @@ -63,10 +63,8 @@
63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
107 +== Specification ==
66 66  
67 -== 1.3  Specification ==
68 -
69 -
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -85,108 +85,259 @@
85 85  * LoRa Rx current: <9 mA
86 86  * I/O Voltage: 3.3v
87 87  
127 +== Pin Mapping & LED ==
88 88  
89 -== 1.4  AT Command ==
129 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
90 90  
131 +== Example: Join TTN network and send an uplink message, get downlink message. ==
91 91  
92 -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]].
133 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
93 93  
135 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
137 +=== Items needed for update ===
95 95  
96 -== 1.5  Dimension ==
139 +1. LA66 LoRaWAN Shield
140 +1. Arduino
141 +1. USB TO TTL Adapter
97 97  
143 +[[image:image-20220602100052-2.png||height="385" width="600"]]
98 98  
99 -[[image:image-20220718094750-3.png]]
100 100  
146 +=== Connection ===
101 101  
148 +[[image:image-20220602101311-3.png||height="276" width="600"]]
102 102  
103 -== 1.6  Pin Mapping ==
150 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-> (% style="color:blue" %)**USB TTL**(%%)
151 +**GND  <-> GND
152 +TXD  <-> TXD
153 +RXD  <-> RXD**
104 104  
105 -[[image:image-20220720111850-1.png]]
155 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield.
106 106  
157 +Connect USB TTL Adapter to PC after connecting the wires
107 107  
108 108  
109 -== 1.7  Land Pattern ==
160 +[[image:image-20220602102240-4.png||height="304" width="600"]]
110 110  
111 111  
112 -[[image:image-20220517072821-2.png]]
163 +=== Upgrade steps ===
113 113  
165 +==== Switch SW1 to put in ISP position ====
114 114  
167 +[[image:image-20220602102824-5.png||height="306" width="600"]]
115 115  
116 -= 2.  FAQ =
117 117  
170 +==== Press the RST switch once ====
118 118  
119 -== 2.1  How to Compile Source Code for LA66? ==
172 +[[image:image-20220602104701-12.png||height="285" width="600"]]
120 120  
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
175 +==== Open the Upgrade tool (Tremo Programmer) in PC ====
123 123  
177 +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/]]
124 124  
179 +[[image:image-20220602103227-6.png]]
125 125  
126 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
181 +[[image:image-20220602103357-7.png]]
127 127  
183 +===== Select the COM port corresponding to USB TTL =====
128 128  
129 -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.
185 +[[image:image-20220602103844-8.png]]
130 130  
187 +===== Select the bin file to burn =====
131 131  
189 +[[image:image-20220602104144-9.png]]
132 132  
133 -== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
191 +[[image:image-20220602104251-10.png]]
134 134  
193 +[[image:image-20220602104402-11.png]]
135 135  
136 -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]]
195 +===== Click to start the download =====
137 137  
197 +[[image:image-20220602104923-13.png]]
138 138  
199 +===== The following figure appears to prove that the burning is in progress =====
139 139  
140 -= 3.  Order Info =
201 +[[image:image-20220602104948-14.png]]
141 141  
203 +===== The following picture appears to prove that the burning is successful =====
142 142  
143 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
205 +[[image:image-20220602105251-15.png]]
144 144  
145 145  
146 -(% style="color:blue" %)**XXX**(%%): The default frequency band
208 +== Order Info ==
147 147  
148 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
149 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
150 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
151 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
152 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
153 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
154 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
155 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
156 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
210 +Part Number: **LA66-LoRaWAN-Shield-XXX**
157 157  
212 +**XX**: The default frequency band
158 158  
214 +* **AS923**: LoRaWAN AS923 band
215 +* **AU915**: LoRaWAN AU915 band
216 +* **EU433**: LoRaWAN EU433 band
217 +* **EU868**: LoRaWAN EU868 band
218 +* **KR920**: LoRaWAN KR920 band
219 +* **US915**: LoRaWAN US915 band
220 +* **IN865**: LoRaWAN IN865 band
221 +* **CN470**: LoRaWAN CN470 band
222 +* **PP**: Peer to Peer LoRa Protocol
159 159  
160 -= 4.  FCC Statement =
224 +== Package Info ==
161 161  
226 +* LA66 LoRaWAN Shield x 1
227 +* RF Antenna x 1
162 162  
163 -**(% style="color:red" %)FCC Caution:**
164 164  
230 += LA66 USB LoRaWAN Adapter =
165 165  
166 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
232 +== Overview ==
167 167  
234 +LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
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.
170 170  
237 +== Features ==
171 171  
172 -**(% style="color:red" %)IMPORTANT NOTE: **
239 +* LoRaWAN USB adapter base on LA66 LoRaWAN module
240 +* Ultra-long RF range
241 +* Support LoRaWAN v1.0.4 protocol
242 +* Support peer-to-peer protocol
243 +* TCXO crystal to ensure RF performance on low temperature
244 +* Spring RF antenna
245 +* Available in different frequency LoRaWAN frequency bands.
246 +* World-wide unique OTAA keys.
247 +* AT Command via UART-TTL interface
248 +* Firmware upgradable via UART interface
173 173  
250 +== Specification ==
174 174  
175 -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:
252 +* CPU: 32-bit 48 MHz
253 +* Flash: 256KB
254 +* RAM: 64KB
255 +* Input Power Range: 5v
256 +* Frequency Range: 150 MHz ~~ 960 MHz
257 +* Maximum Power +22 dBm constant RF output
258 +* High sensitivity: -148 dBm
259 +* Temperature:
260 +** Storage: -55 ~~ +125℃
261 +** Operating: -40 ~~ +85℃
262 +* Humidity:
263 +** Storage: 5 ~~ 95% (Non-Condensing)
264 +** Operating: 10 ~~ 95% (Non-Condensing)
265 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
266 +* LoRa Rx current: <9 mA
176 176  
268 +== Pin Mapping & LED ==
177 177  
178 -—Reorient or relocate the receiving antenna.
270 +== Example Send & Get Messages via LoRaWAN in PC ==
179 179  
272 +Connect the LA66 LoRa Shield to the PC
180 180  
181 -—Increase the separation between the equipment and receiver.
274 +[[image:image-20220602171217-1.png||height="615" width="915"]]
182 182  
276 +Open the serial port tool
183 183  
184 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
278 +[[image:image-20220602161617-8.png]]
185 185  
280 +[[image:image-20220602161718-9.png||height="529" width="927"]]
186 186  
187 -—Consult the dealer or an experienced radio/TV technician for help.
282 +Press the reset switch RST on the LA66 LoRa Shield.
188 188  
284 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 189  
190 -**(% style="color:red" %)FCC Radiation Exposure Statement: **
286 +[[image:image-20220602161935-10.png]]
191 191  
192 -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.
288 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
289 +
290 +example: AT+SENDB=01,02,8,05820802581ea0a5
291 +
292 +[[image:image-20220602162157-11.png]]
293 +
294 +Check to see if TTN received the message
295 +
296 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
297 +
298 +== Example Send & Get Messages via LoRaWAN in RPi ==
299 +
300 +Connect the LA66 LoRa Shield to the RPI
301 +
302 +[[image:image-20220602171233-2.png||height="592" width="881"]]
303 +
304 +Log in to the RPI's terminal and connect to the serial port
305 +
306 +[[image:image-20220602153146-3.png]]
307 +
308 +Press the reset switch RST on the LA66 LoRa Shield.
309 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
310 +
311 +[[image:image-20220602154928-5.png]]
312 +
313 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
314 +
315 +example: AT+SENDB=01,02,8,05820802581ea0a5
316 +
317 +[[image:image-20220602160339-6.png]]
318 +
319 +Check to see if TTN received the message
320 +
321 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
322 +
323 +=== Install Minicom ===
324 +
325 +Enter the following command in the RPI terminal
326 +
327 +apt update
328 +
329 +[[image:image-20220602143155-1.png]]
330 +
331 +apt install minicom
332 +
333 +[[image:image-20220602143744-2.png]]
334 +
335 +=== Send PC's CPU/RAM usage to TTN via script. ===
336 +
337 +==== Take python as an example： ====
338 +
339 +===== Preconditions: =====
340 +
341 +1.LA66 USB LoRaWAN Adapter works fine
342 +
343 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
344 +
345 +===== Steps for usage =====
346 +
347 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
348 +
349 +2.Run the script and see the TTN
350 +
351 +[[image:image-20220602115852-3.png]]
352 +
353 +
354 +
355 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
356 +
357 +
358 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
359 +
360 +
361 +
362 +== Order Info ==
363 +
364 +Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
365 +
366 +**XX**: The default frequency band
367 +
368 +* **AS923**: LoRaWAN AS923 band
369 +* **AU915**: LoRaWAN AU915 band
370 +* **EU433**: LoRaWAN EU433 band
371 +* **EU868**: LoRaWAN EU868 band
372 +* **KR920**: LoRaWAN KR920 band
373 +* **US915**: LoRaWAN US915 band
374 +* **IN865**: LoRaWAN IN865 band
375 +* **CN470**: LoRaWAN CN470 band
376 +* **PP**: Peer to Peer LoRa Protocol
377 +
378 +== Package Info ==
379 +
380 +* LA66 USB LoRaWAN Adapter x 1
381 +
382 +
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