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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 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 -== 1.3  Specification ==
68 -
69 -
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
72 72  * RAM: 64KB
... ... @@ -85,108 +85,212 @@
85 85  * LoRa Rx current: <9 mA
86 86  * I/O Voltage: 3.3v
87 87  
128 +== Pin Mapping & LED ==
88 88  
89 -== 1.4  AT Command ==
130 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
90 90  
132 +== 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]].
134 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
93 93  
136 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
138 +=== what needs to be used ===
95 95  
96 -== 1.5  Dimension ==
140 +1.LA66 LoRaWAN Shield that needs to be upgraded
97 97  
142 +2.Arduino
98 98  
99 -[[image:image-20220718094750-3.png]]
144 +3.USB TO TTL
100 100  
146 +[[image:image-20220602100052-2.png]]
101 101  
148 +=== Wiring Schematic ===
102 102  
103 -== 1.6  Pin Mapping ==
150 +[[image:image-20220602101311-3.png]]
104 104  
105 -[[image:image-20220720111850-1.png]]
152 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 106  
154 +GND  >>>>>>>>>>>>GND
107 107  
156 +TXD  >>>>>>>>>>>>TXD
108 108  
109 -== 1.7  Land Pattern ==
158 +RXD  >>>>>>>>>>>>RXD
110 110  
160 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
111 111  
112 -[[image:image-20220517072821-2.png]]
162 +Connect to the PC after connecting the wires
113 113  
164 +[[image:image-20220602102240-4.png]]
114 114  
166 +=== Upgrade steps ===
115 115  
116 -= 2.  FAQ =
168 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
117 117  
170 +[[image:image-20220602102824-5.png]]
118 118  
119 -== 2.1  How to Compile Source Code for LA66? ==
172 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
120 120  
174 +[[image:image-20220602104701-12.png]]
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
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/]]
124 124  
180 +[[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? ==
182 +[[image:image-20220602103357-7.png]]
127 127  
184 +===== 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.
186 +[[image:image-20220602103844-8.png]]
130 130  
188 +===== Select the bin file to burn =====
131 131  
190 +[[image:image-20220602104144-9.png]]
132 132  
133 -== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
192 +[[image:image-20220602104251-10.png]]
134 134  
194 +[[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]]
196 +===== Click to start the download =====
137 137  
198 +[[image:image-20220602104923-13.png]]
138 138  
200 +===== The following figure appears to prove that the burning is in progress =====
139 139  
140 -= 3.  Order Info =
202 +[[image:image-20220602104948-14.png]]
141 141  
204 +===== The following picture appears to prove that the burning is successful =====
142 142  
143 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
206 +[[image:image-20220602105251-15.png]]
144 144  
208 +(% class="wikigeneratedid" %)
209 += =
145 145  
146 -(% style="color:blue" %)**XXX**(%%): The default frequency band
211 +== 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
213 +Part Number: **LA66-LoRaWAN-Shield-XXX**
157 157  
215 +**XX**: The default frequency band
158 158  
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
159 159  
160 -= 4.  FCC Statement =
161 161  
228 +(% class="wikigeneratedid" %)
229 +== Package Info ==
162 162  
163 -**(% style="color:red" %)FCC Caution:**
231 +* LA66 LoRaWAN Shield x 1
232 +* RF Antenna x 1
164 164  
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.
167 167  
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  
238 += LA66 USB LoRaWAN Adapter =
171 171  
172 -**(% style="color:red" %)IMPORTANT NOTE: **
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.
173 173  
242 +Before use, please make sure that the computer has installed the CP2102 driver
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:
244 +== Pin Mapping & LED ==
176 176  
246 +== Example Send & Get Messages via LoRaWAN in PC ==
177 177  
178 -—Reorient or relocate the receiving antenna.
248 +Connect the LA66 LoRa Shield to the PC
179 179  
250 +[[image:image-20220602171217-1.png||height="615" width="915"]]
180 180  
181 -—Increase the separation between the equipment and receiver.
252 +Open the serial port tool
182 182  
254 +[[image:image-20220602161617-8.png]]
183 183  
184 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
256 +[[image:image-20220602161718-9.png||height="529" width="927"]]
185 185  
258 +Press the reset switch RST on the LA66 LoRa Shield.
186 186  
187 -—Consult the dealer or an experienced radio/TV technician for help.
260 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 188  
262 +[[image:image-20220602161935-10.png]]
189 189  
190 -**(% style="color:red" %)FCC Radiation Exposure Statement: **
264 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
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.
266 +example: AT+SENDB=01,02,8,05820802581ea0a5
267 +
268 +[[image:image-20220602162157-11.png]]
269 +
270 +Check to see if TTN received the message
271 +
272 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
273 +
274 +== Example Send & Get Messages via LoRaWAN in RPi ==
275 +
276 +Connect the LA66 LoRa Shield to the RPI
277 +
278 +[[image:image-20220602171233-2.png||height="592" width="881"]]
279 +
280 +Log in to the RPI's terminal and connect to the serial port
281 +
282 +[[image:image-20220602153146-3.png]]
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 +
287 +[[image:image-20220602154928-5.png]]
288 +
289 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
290 +
291 +example: AT+SENDB=01,02,8,05820802581ea0a5
292 +
293 +[[image:image-20220602160339-6.png]]
294 +
295 +Check to see if TTN received the message
296 +
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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