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Last modified by Xiaoling on 2023/09/19 09:20
From version 70.1
edited by Edwin Chen
on 2022/07/02 23:51
Change comment: There is no comment for this version
To version 162.5
edited by Xiaoling
on 2023/09/18 16:35
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
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30 30  * Ultra-long RF range
31 31  
32 32  
65 +== 1.3  Specification ==
33 33  
34 -== Specification ==
35 35  
36 36  * CPU: 32-bit 48 MHz
37 37  * Flash: 256KB
... ... @@ -51,221 +51,177 @@
51 51  * LoRa Rx current: <9 mA
52 52  * I/O Voltage: 3.3v
53 53  
54 -== AT Command ==
55 55  
56 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
87 +== 1.4  AT Command ==
57 57  
58 58  
59 -== Dimension ==
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/scl/fi/s3i58dyuh2zpwxfzcks9d/Accuhealth-LA66-AT-commands.pdf?rlkey=059co9isdbddl1h1lb5gy93oy&dl=0]].
60 60  
61 -[[image:image-20220517072526-1.png]]
92 +== 1.5  Dimension ==
62 62  
63 63  
64 -== Pin Mapping ==
95 +[[image:image-20220718094750-3.png]]
65 65  
66 -[[image:image-20220523101537-1.png]]
67 67  
68 -== Land Pattern ==
98 +== 1.6  Pin Mapping ==
69 69  
70 -[[image:image-20220517072821-2.png]]
100 +[[image:image-20220720111850-1.png]]
71 71  
72 72  
73 -== Part Number ==
103 +== 1.7  Land Pattern ==
74 74  
75 -Part Number: **LA66-XXX**
76 76  
77 -**XX**: The default frequency band
106 +[[image:image-20220517072821-2.png]]
78 78  
79 -* **AS923**: LoRaWAN AS923 band
80 -* **AU915**: LoRaWAN AU915 band
81 -* **EU433**: LoRaWAN EU433 band
82 -* **EU868**: LoRaWAN EU868 band
83 -* **KR920**: LoRaWAN KR920 band
84 -* **US915**: LoRaWAN US915 band
85 -* **IN865**: LoRaWAN IN865 band
86 -* **CN470**: LoRaWAN CN470 band
87 -* **PP**: Peer to Peer LoRa Protocol
88 88  
89 -= LA66 LoRaWAN Shield =
109 += 2.  FAQ =
90 90  
91 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
111 +== 2.1  Where to find examples of how to use LA66? ==
92 92  
93 -== Pin Mapping & LED ==
94 94  
95 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
114 +(% class="wikigeneratedid" %)
115 +Below products are made by LA66. User can use their examples as reference:
96 96  
97 -== Example: Join TTN network and send an uplink message, get downlink message. ==
117 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
118 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
98 98  
99 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
100 100  
101 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
121 +== 2.2  How to Compile Source Code for LA66? ==
102 102  
103 -=== what needs to be used ===
104 104  
105 -1.LA66 LoRaWAN Shield that needs to be upgraded
124 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
106 106  
107 -2.Arduino
108 108  
109 -3.USB TO TTL
127 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
110 110  
111 -[[image:image-20220602100052-2.png]]
112 112  
113 -=== Wiring Schematic ===
130 +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.
114 114  
115 -[[image:image-20220602101311-3.png]]
116 116  
117 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
133 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
118 118  
119 -GND  >>>>>>>>>>>>GND
120 120  
121 -TXD  >>>>>>>>>>>>TXD
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]]
122 122  
123 -RXD  >>>>>>>>>>>>RXD
124 124  
125 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
139 +== 2.5 How can i use J-LInk to debug LA66? ==
126 126  
127 -Connect to the PC after connecting the wires
128 128  
129 -[[image:image-20220602102240-4.png]]
142 +(% style="color:#037691" %)**The steps are as follows:**
130 130  
131 -=== Upgrade steps ===
132 132  
133 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
145 +(% style="color:blue" %)**1. Install J-Link software from**
134 134  
135 -[[image:image-20220602102824-5.png]]
147 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
136 136  
137 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
138 138  
139 -[[image:image-20220602104701-12.png]]
150 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
140 140  
141 -==== Open the upgrade application software ====
142 142  
143 -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/]]
153 +[[image:image-20230605151850-1.png||height="676" width="640"]]
144 144  
145 -[[image:image-20220602103227-6.png]]
146 146  
147 -[[image:image-20220602103357-7.png]]
156 +[[image:image-20230605151850-2.png]]
148 148  
149 -===== Select the COM port corresponding to USB TTL =====
158 +(% style="display:none" %) (%%)
150 150  
151 -[[image:image-20220602103844-8.png]]
160 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
152 152  
153 -===== Select the bin file to burn =====
154 154  
155 -[[image:image-20220602104144-9.png]]
163 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
156 156  
157 -[[image:image-20220602104251-10.png]]
165 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
158 158  
159 -[[image:image-20220602104402-11.png]]
167 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
160 160  
161 -===== Click to start the download =====
169 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
162 162  
163 -[[image:image-20220602104923-13.png]]
171 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
164 164  
165 -===== The following figure appears to prove that the burning is in progress =====
173 +(% style="display:none" %) (%%)
166 166  
167 -[[image:image-20220602104948-14.png]]
175 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
168 168  
169 -===== The following picture appears to prove that the burning is successful =====
177 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
170 170  
171 -[[image:image-20220602105251-15.png]]
172 172  
173 -= LA66 USB LoRaWAN Adapter =
180 +**Add ASR6601 256KB Flash to Flash Download**
174 174  
175 -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.
182 +[[image:image-20230605152412-12.png]]
176 176  
177 -Before use, please make sure that the computer has installed the CP2102 driver
178 178  
179 -== Pin Mapping & LED ==
185 +[[image:image-20230605151851-6.png]]
180 180  
181 -== Example Send & Get Messages via LoRaWAN in PC ==
182 182  
183 -Connect the LA66 LoRa Shield to the PC
188 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
184 184  
185 -[[image:image-20220602171217-1.png||height="615" width="915"]]
186 186  
187 -Open the serial port tool
191 +[[image:image-20230605151851-7.png]]
188 188  
189 -[[image:image-20220602161617-8.png]]
193 +[[image:image-20230605151851-8.png]]
190 190  
191 -[[image:image-20220602161718-9.png||height="529" width="927"]]
192 192  
193 -Press the reset switch RST on the LA66 LoRa Shield.
196 +(% 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.**
194 194  
195 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 196  
197 -[[image:image-20220602161935-10.png]]
199 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
198 198  
199 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 200  
201 -example: AT+SENDB=01,02,8,05820802581ea0a5
202 +[[image:image-20230605151851-9.png]]
202 202  
203 -[[image:image-20220602162157-11.png]]
204 204  
205 -Check to see if TTN received the message
205 +(% style="color:blue" %)**Click Debug mode to debug.**
206 206  
207 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
208 208  
209 -== Example Send & Get Messages via LoRaWAN in RPi ==
210 210  
211 -Connect the LA66 LoRa Shield to the RPI
210 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
212 212  
213 -[[image:image-20220602171233-2.png||height="592" width="881"]]
212 +(% style="display:none" %) (%%)
214 214  
215 -Log in to the RPI's terminal and connect to the serial port
214 += 3.  Order Info =
216 216  
217 -[[image:image-20220602153146-3.png]]
218 218  
219 -Press the reset switch RST on the LA66 LoRa Shield.
220 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
217 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
221 221  
222 -[[image:image-20220602154928-5.png]]
219 +(% style="color:blue" %)**XXX**(%%): The default frequency band
223 223  
224 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
221 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
222 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
223 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
224 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
225 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
226 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
227 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
228 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
229 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
225 225  
226 -example: AT+SENDB=01,02,8,05820802581ea0a5
227 227  
228 -[[image:image-20220602160339-6.png]]
232 += 4.  FCC Statement =
229 229  
230 -Check to see if TTN received the message
231 231  
232 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
235 +(% style="color:red" %)**FCC Caution:**
233 233  
234 -=== Install Minicom ===
237 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
235 235  
236 -Enter the following command in the RPI terminal
239 +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.
237 237  
238 -apt update
239 239  
240 -[[image:image-20220602143155-1.png]]
242 +(% style="color:red" %)**IMPORTANT NOTE: **
241 241  
242 -apt install minicom
244 +(% 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:
243 243  
244 -[[image:image-20220602143744-2.png]]
246 +—Reorient or relocate the receiving antenna.
245 245  
246 -=== Send PC's CPU/RAM usage to TTN via script. ===
248 +—Increase the separation between the equipment and receiver.
247 247  
248 -==== Take python as an example： ====
250 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
249 249  
250 -===== Preconditions: =====
252 +—Consult the dealer or an experienced radio/TV technician for help.
251 251  
252 -1.LA66 USB LoRaWAN Adapter works fine
253 253  
254 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
255 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
255 255  
256 -===== Steps for usage =====
257 +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.
257 257  
258 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
259 -
260 -2.Run the script and see the TTN
261 -
262 -[[image:image-20220602115852-3.png]]
263 -
264 -
265 -
266 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
267 -
268 -
269 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270 -
271 271  
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