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Last modified by Xiaoling on 2023/09/19 09:20
From version 74.1
edited by Edwin Chen
on 2022/07/03 00:16
Change comment: There is no comment for this version
To version 162.6
edited by Xiaoling
on 2023/09/19 09:20
Change comment: There is no comment for this version

Summary

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 +
4 4  
5 -= LA66 LoRaWAN Module =
3 +**Table of Contents:**
6 6  
7 -== What is LA66 LoRaWAN Module ==
5 +{{toc/}}
8 8  
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.
10 10  
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.
12 12  
13 -Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
9 += 1.  LA66 LoRaWAN Module =
14 14  
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 +== 1.1  What is LA66 LoRaWAN Module ==
16 16  
17 -LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18 18  
14 +(((
15 +(((
16 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +)))
19 19  
20 -== Features ==
19 +(((
20 +
21 +)))
21 21  
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 +(((
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 +)))
31 31  
32 -== Specification ==
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 +)))
33 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 +(((
35 +(((
36 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
51 51  
52 -== AT Command ==
39 +(((
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 +)))
53 53  
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 +(((
45 +(((
46 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
55 55  
56 56  
57 -== Dimension ==
51 +== 1.2  Features ==
58 58  
59 -[[image:image-20220517072526-1.png]]
60 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 -= 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
54 +* Support LoRaWAN v1.0.3 protocol
98 98  * Support peer-to-peer protocol
99 99  * TCXO crystal to ensure RF performance on low temperature
100 -* SMA connector
57 +* SMD Antenna pad and i-pex antenna connector
101 101  * Available in different frequency LoRaWAN frequency bands.
102 102  * World-wide unique OTAA keys.
103 103  * AT Command via UART-TTL interface
... ... @@ -104,8 +104,9 @@
104 104  * Firmware upgradable via UART interface
105 105  * Ultra-long RF range
106 106  
107 -== Specification ==
64 +== 1.3  Specification ==
108 108  
66 +
109 109  * CPU: 32-bit 48 MHz
110 110  * Flash: 256KB
111 111  * RAM: 64KB
... ... @@ -124,261 +124,174 @@
124 124  * LoRa Rx current: <9 mA
125 125  * I/O Voltage: 3.3v
126 126  
127 -== Pin Mapping & LED ==
85 +== 1.4  AT Command ==
128 128  
129 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
130 130  
131 -== Example: Join TTN network and send an uplink message, get downlink message. ==
88 +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/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]].
132 132  
133 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
90 +== 1.5  Dimension ==
134 134  
135 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
136 136  
137 -=== Items needed for update ===
93 +[[image:image-20220718094750-3.png]]
138 138  
139 -1. LA66 LoRaWAN Shield
140 -1. Arduino
141 -1. USB TO TTL Adapter
142 142  
143 -[[image:image-20220602100052-2.png||height="341" width="531"]]
96 +== 1.6  Pin Mapping ==
144 144  
98 +[[image:image-20220720111850-1.png]]
145 145  
146 -=== Connection ===
147 147  
148 -[[image:image-20220602101311-3.png||height="350" width="760"]]
101 +== 1.7  Land Pattern ==
149 149  
150 150  
151 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  <-----> (% style="color:blue" %)**USB TTL(%%)
152 -GND  <-----> GND
153 -TXD  <-----> TXD
154 -RXD  <-----> RXD
104 +[[image:image-20220517072821-2.png]]
155 155  
156 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
157 157  
158 -Connect to the PC after connecting the wires
107 += 2.  FAQ =
159 159  
109 +== 2.1  Where to find examples of how to use LA66? ==
160 160  
161 161  
162 -[[image:image-20220602102240-4.png]]
112 +(% class="wikigeneratedid" %)
113 +Below products are made by LA66. User can use their examples as reference:
163 163  
164 -=== Upgrade steps ===
115 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
165 165  
166 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
118 +== 2.2  How to Compile Source Code for LA66? ==
167 167  
168 -[[image:image-20220602102824-5.png]]
169 169  
170 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
121 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
171 171  
172 -[[image:image-20220602104701-12.png]]
173 173  
174 -==== Open the upgrade application software ====
124 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
175 175  
176 -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/]]
177 177  
178 -[[image:image-20220602103227-6.png]]
127 +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.
179 179  
180 -[[image:image-20220602103357-7.png]]
181 181  
182 -===== Select the COM port corresponding to USB TTL =====
130 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
183 183  
184 -[[image:image-20220602103844-8.png]]
185 185  
186 -===== Select the bin file to burn =====
133 +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]]
187 187  
188 -[[image:image-20220602104144-9.png]]
189 189  
190 -[[image:image-20220602104251-10.png]]
136 +== 2.5 How can i use J-LInk to debug LA66? ==
191 191  
192 -[[image:image-20220602104402-11.png]]
193 193  
194 -===== Click to start the download =====
139 +(% style="color:#037691" %)**The steps are as follows:**
195 195  
196 -[[image:image-20220602104923-13.png]]
197 197  
198 -===== The following figure appears to prove that the burning is in progress =====
142 +(% style="color:blue" %)**1. Install J-Link software from**
199 199  
200 -[[image:image-20220602104948-14.png]]
144 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
201 201  
202 -===== The following picture appears to prove that the burning is successful =====
203 203  
204 -[[image:image-20220602105251-15.png]]
147 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
205 205  
206 206  
207 -== Order Info ==
150 +[[image:image-20230605151850-1.png||height="676" width="640"]]
208 208  
209 -Part Number: **LA66-LoRaWAN-Shield-XXX**
210 210  
211 -**XX**: The default frequency band
153 +[[image:image-20230605151850-2.png]]
212 212  
213 -* **AS923**: LoRaWAN AS923 band
214 -* **AU915**: LoRaWAN AU915 band
215 -* **EU433**: LoRaWAN EU433 band
216 -* **EU868**: LoRaWAN EU868 band
217 -* **KR920**: LoRaWAN KR920 band
218 -* **US915**: LoRaWAN US915 band
219 -* **IN865**: LoRaWAN IN865 band
220 -* **CN470**: LoRaWAN CN470 band
221 -* **PP**: Peer to Peer LoRa Protocol
155 +(% style="display:none" %) (%%)
222 222  
223 -== Package Info ==
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
224 224  
225 -* LA66 LoRaWAN Shield x 1
226 -* RF Antenna x 1
227 227  
160 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
228 228  
162 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
229 229  
230 -= LA66 USB LoRaWAN Adapter =
164 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
231 231  
232 -== Overview ==
166 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
233 233  
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 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
235 235  
170 +(% style="display:none" %) (%%)
236 236  
237 -== Features ==
172 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
238 238  
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
174 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
249 249  
250 250  
251 -== Specification ==
177 +**Add ASR6601 256KB Flash to Flash Download**
252 252  
253 -* CPU: 32-bit 48 MHz
254 -* Flash: 256KB
255 -* RAM: 64KB
256 -* Input Power Range: 5v
257 -* Frequency Range: 150 MHz ~~ 960 MHz
258 -* Maximum Power +22 dBm constant RF output
259 -* High sensitivity: -148 dBm
260 -* Temperature:
261 -** Storage: -55 ~~ +125℃
262 -** Operating: -40 ~~ +85℃
263 -* Humidity:
264 -** Storage: 5 ~~ 95% (Non-Condensing)
265 -** Operating: 10 ~~ 95% (Non-Condensing)
266 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
267 -* LoRa Rx current: <9 mA
179 +[[image:image-20230605152412-12.png]]
268 268  
269 269  
270 -== Pin Mapping & LED ==
182 +[[image:image-20230605151851-6.png]]
271 271  
272 -== Example Send & Get Messages via LoRaWAN in PC ==
273 273  
274 -Connect the LA66 LoRa Shield to the PC
185 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
275 275  
276 -[[image:image-20220602171217-1.png||height="615" width="915"]]
277 277  
278 -Open the serial port tool
188 +[[image:image-20230605151851-7.png]]
279 279  
280 -[[image:image-20220602161617-8.png]]
190 +[[image:image-20230605151851-8.png]]
281 281  
282 -[[image:image-20220602161718-9.png||height="529" width="927"]]
283 283  
284 -Press the reset switch RST on the LA66 LoRa Shield.
193 +(% style="color:red" %)**Note: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn't support OTA update.**
285 285  
286 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
287 287  
288 -[[image:image-20220602161935-10.png]]
196 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
289 289  
290 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
291 291  
292 -example: AT+SENDB=01,02,8,05820802581ea0a5
199 +[[image:image-20230605151851-9.png]]
293 293  
294 -[[image:image-20220602162157-11.png]]
295 295  
296 -Check to see if TTN received the message
202 +(% style="color:blue" %)**Click Debug mode to debug.**
297 297  
298 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
204 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
299 299  
300 -== Example Send & Get Messages via LoRaWAN in RPi ==
301 301  
302 -Connect the LA66 LoRa Shield to the RPI
207 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
303 303  
304 -[[image:image-20220602171233-2.png||height="592" width="881"]]
209 +(% style="display:none" %) (%%)
305 305  
306 -Log in to the RPI's terminal and connect to the serial port
211 += 3.  Order Info =
307 307  
308 -[[image:image-20220602153146-3.png]]
309 309  
310 -Press the reset switch RST on the LA66 LoRa Shield.
311 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
214 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
312 312  
313 -[[image:image-20220602154928-5.png]]
216 +(% style="color:blue" %)**XXX**(%%): The default frequency band
314 314  
315 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
218 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
219 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
220 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
221 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
222 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
223 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
224 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
225 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
226 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
316 316  
317 -example: AT+SENDB=01,02,8,05820802581ea0a5
228 += 4.  FCC Statement =
318 318  
319 -[[image:image-20220602160339-6.png]]
320 320  
321 -Check to see if TTN received the message
231 +(% style="color:red" %)**FCC Caution:**
322 322  
323 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
324 324  
325 -=== Install Minicom ===
235 +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.
326 326  
327 -Enter the following command in the RPI terminal
328 328  
329 -apt update
238 +(% style="color:red" %)**IMPORTANT NOTE: **
330 330  
331 -[[image:image-20220602143155-1.png]]
240 +(% 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:
332 332  
333 -apt install minicom
242 +—Reorient or relocate the receiving antenna.
334 334  
335 -[[image:image-20220602143744-2.png]]
244 +—Increase the separation between the equipment and receiver.
336 336  
337 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
338 338  
339 -==== Take python as an example： ====
248 +—Consult the dealer or an experienced radio/TV technician for help.
340 340  
341 -===== Preconditions: =====
342 342  
343 -1.LA66 USB LoRaWAN Adapter works fine
251 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
344 344  
345 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
253 +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.
346 346  
347 -===== Steps for usage =====
348 -
349 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
350 -
351 -2.Run the script and see the TTN
352 -
353 -[[image:image-20220602115852-3.png]]
354 -
355 -
356 -
357 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
358 -
359 -
360 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
361 -
362 -
363 -
364 -== Order Info ==
365 -
366 -Part Number: **LA66-USB-LoRaWAN-Adapter-XXX**
367 -
368 -**XX**: The default frequency band
369 -
370 -* **AS923**: LoRaWAN AS923 band
371 -* **AU915**: LoRaWAN AU915 band
372 -* **EU433**: LoRaWAN EU433 band
373 -* **EU868**: LoRaWAN EU868 band
374 -* **KR920**: LoRaWAN KR920 band
375 -* **US915**: LoRaWAN US915 band
376 -* **IN865**: LoRaWAN IN865 band
377 -* **CN470**: LoRaWAN CN470 band
378 -* **PP**: Peer to Peer LoRa Protocol
379 -
380 -== Package Info ==
381 -
382 -* LA66 USB LoRaWAN Adapter x 1
383 -
384 384  
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