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Last modified by Xiaoling on 2023/09/19 09:20
From version 72.1
edited by Edwin Chen
on 2022/07/03 00:02
Change comment: There is no comment for this version
To version 162.4
edited by Xiaoling
on 2023/06/05 15:36
Change comment: There is no comment for this version

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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**"}}
1 +
2 +
3 +**Table of Contents:**
4 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= LA66 LoRaWAN Module =
6 6  
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 +(((
9 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.
25 +)))
26 +)))
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.
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 +)))
12 12  
34 +(((
35 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
14 14  
39 +(((
15 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.
41 +)))
42 +)))
16 16  
44 +(((
45 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
18 18  
19 19  
20 -== Features ==
51 +== 1.2  Features ==
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
53 +
54 +* Support LoRaWAN v1.0.3 protocol
23 23  * Support peer-to-peer protocol
24 24  * TCXO crystal to ensure RF performance on low temperature
25 25  * SMD Antenna pad and i-pex antenna connector
... ... @@ -29,84 +29,11 @@
29 29  * Firmware upgradable via UART interface
30 30  * Ultra-long RF range
31 31  
32 -== Specification ==
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
51 51  
52 -== AT Command ==
66 +== 1.3  Specification ==
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.
55 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 -
110 110  * CPU: 32-bit 48 MHz
111 111  * Flash: 256KB
112 112  * RAM: 64KB
... ... @@ -125,212 +125,181 @@
125 125  * LoRa Rx current: <9 mA
126 126  * I/O Voltage: 3.3v
127 127  
128 -== Pin Mapping & LED ==
129 129  
130 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
131 131  
132 -== Example: Join TTN network and send an uplink message, get downlink message. ==
89 +== 1.4  AT Command ==
133 133  
134 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
135 135  
136 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
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]].
137 137  
138 -=== what needs to be used ===
139 139  
140 -1.LA66 LoRaWAN Shield that needs to be upgraded
95 +== 1.5  Dimension ==
141 141  
142 -2.Arduino
143 143  
144 -3.USB TO TTL
98 +[[image:image-20220718094750-3.png]]
145 145  
146 -[[image:image-20220602100052-2.png]]
147 147  
148 -=== Wiring Schematic ===
101 +== 1.6  Pin Mapping ==
149 149  
150 -[[image:image-20220602101311-3.png]]
103 +[[image:image-20220720111850-1.png]]
151 151  
152 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
153 153  
154 -GND  >>>>>>>>>>>>GND
106 +== 1.7  Land Pattern ==
155 155  
156 -TXD  >>>>>>>>>>>>TXD
157 157  
158 -RXD  >>>>>>>>>>>>RXD
109 +[[image:image-20220517072821-2.png]]
159 159  
160 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
161 161  
162 -Connect to the PC after connecting the wires
112 += 2.  FAQ =
163 163  
164 -[[image:image-20220602102240-4.png]]
114 +== 2.1  Where to find examples of how to use LA66? ==
165 165  
166 -=== Upgrade steps ===
167 167  
168 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
117 +(% class="wikigeneratedid" %)
118 +Below products are made by LA66. User can use their examples as reference:
169 169  
170 -[[image:image-20220602102824-5.png]]
120 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
171 171  
172 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
173 173  
174 -[[image:image-20220602104701-12.png]]
175 175  
176 -==== Open the upgrade application software ====
125 +== 2.2  How to Compile Source Code for LA66? ==
177 177  
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/]]
179 179  
180 -[[image:image-20220602103227-6.png]]
128 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
181 181  
182 -[[image:image-20220602103357-7.png]]
183 183  
184 -===== Select the COM port corresponding to USB TTL =====
131 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
185 185  
186 -[[image:image-20220602103844-8.png]]
187 187  
188 -===== Select the bin file to burn =====
134 +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.
189 189  
190 -[[image:image-20220602104144-9.png]]
191 191  
192 -[[image:image-20220602104251-10.png]]
137 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
193 193  
194 -[[image:image-20220602104402-11.png]]
195 195  
196 -===== Click to start the download =====
140 +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]]
197 197  
198 -[[image:image-20220602104923-13.png]]
199 199  
200 -===== The following figure appears to prove that the burning is in progress =====
143 +== 2.5 How can i use J-LInk to debug LA66? ==
201 201  
202 -[[image:image-20220602104948-14.png]]
203 203  
204 -===== The following picture appears to prove that the burning is successful =====
146 +(% style="color:#037691" %)**The steps are as follows:**
205 205  
206 -[[image:image-20220602105251-15.png]]
207 207  
208 -(% class="wikigeneratedid" %)
209 -= =
149 +(% style="color:blue" %)**1. Install J-Link software from**
210 210  
211 -== Order Info ==
151 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
212 212  
213 -Part Number: **LA66-LoRaWAN-Shield-XXX**
214 214  
215 -**XX**: The default frequency band
154 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
216 216  
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
226 226  
157 +[[image:image-20230605151850-1.png||height="676" width="640"]]
227 227  
228 -(% class="wikigeneratedid" %)
229 -== Package Info ==
230 230  
231 -* LA66 LoRaWAN Shield x 1
232 -* RF Antenna x 1
160 +[[image:image-20230605151850-2.png]]
233 233  
162 +(% style="display:none" %) (%%)
234 234  
164 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
235 235  
236 236  
167 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
237 237  
238 -= LA66 USB LoRaWAN Adapter =
169 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
239 239  
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.
171 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
241 241  
242 -Before use, please make sure that the computer has installed the CP2102 driver
173 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
243 243  
244 -== Pin Mapping & LED ==
175 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
245 245  
246 -== Example Send & Get Messages via LoRaWAN in PC ==
177 +(% style="display:none" %) (%%)
247 247  
248 -Connect the LA66 LoRa Shield to the PC
179 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
249 249  
250 -[[image:image-20220602171217-1.png||height="615" width="915"]]
181 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
251 251  
252 -Open the serial port tool
253 253  
254 -[[image:image-20220602161617-8.png]]
184 +**Add ASR6601 256KB Flash to Flash Download**
255 255  
256 -[[image:image-20220602161718-9.png||height="529" width="927"]]
186 +[[image:image-20230605152412-12.png]]
257 257  
258 -Press the reset switch RST on the LA66 LoRa Shield.
259 259  
260 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189 +[[image:image-20230605151851-6.png]]
261 261  
262 -[[image:image-20220602161935-10.png]]
263 263  
264 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
265 265  
266 -example: AT+SENDB=01,02,8,05820802581ea0a5
267 267  
268 -[[image:image-20220602162157-11.png]]
195 +[[image:image-20230605151851-7.png]]
269 269  
270 -Check to see if TTN received the message
197 +[[image:image-20230605151851-8.png]]
271 271  
272 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
273 273  
274 -== Example Send & Get Messages via LoRaWAN in RPi ==
200 +(% 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.**
275 275  
276 -Connect the LA66 LoRa Shield to the RPI
277 277  
278 -[[image:image-20220602171233-2.png||height="592" width="881"]]
203 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
279 279  
280 -Log in to the RPI's terminal and connect to the serial port
281 281  
282 -[[image:image-20220602153146-3.png]]
206 +[[image:image-20230605151851-9.png]]
283 283  
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
286 286  
287 -[[image:image-20220602154928-5.png]]
209 +(% style="color:blue" %)**Click Debug mode to debug.**
288 288  
289 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
211 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
290 290  
291 -example: AT+SENDB=01,02,8,05820802581ea0a5
292 292  
293 -[[image:image-20220602160339-6.png]]
214 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
294 294  
295 -Check to see if TTN received the message
216 +(% style="display:none" %) (%%)
296 296  
297 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
218 += 3.  Order Info =
298 298  
299 -=== Install Minicom ===
300 300  
301 -Enter the following command in the RPI terminal
221 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
302 302  
303 -apt update
223 +(% style="color:blue" %)**XXX**(%%): The default frequency band
304 304  
305 -[[image:image-20220602143155-1.png]]
225 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
226 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
227 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
228 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
229 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
230 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
231 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
232 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
233 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
306 306  
307 -apt install minicom
308 308  
309 -[[image:image-20220602143744-2.png]]
310 310  
311 -=== Send PC's CPU/RAM usage to TTN via script. ===
237 += 4.  FCC Statement =
312 312  
313 -==== Take python as an example： ====
314 314  
315 -===== Preconditions: =====
240 +(% style="color:red" %)**FCC Caution:**
316 316  
317 -1.LA66 USB LoRaWAN Adapter works fine
242 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
318 318  
319 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
244 +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.
320 320  
321 -===== Steps for usage =====
322 322  
323 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247 +(% style="color:red" %)**IMPORTANT NOTE: **
324 324  
325 -2.Run the script and see the TTN
249 +(% 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:
326 326  
327 -[[image:image-20220602115852-3.png]]
251 +—Reorient or relocate the receiving antenna.
328 328  
253 +—Increase the separation between the equipment and receiver.
329 329  
255 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
330 330  
331 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
257 +—Consult the dealer or an experienced radio/TV technician for help.
332 332  
333 333  
334 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
260 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
335 335  
262 +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.
263 +
336 336  
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