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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 70.1
edited by Edwin Chen
on 2022/07/02 23:51
Change comment: There is no comment for this version

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Title
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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
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 -= 1.  LA66 LoRaWAN Module =
10 -
11 -
12 -== 1.1  What is LA66 LoRaWAN Module ==
13 -
14 -
15 -(((
16 -(((
17 -[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 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 -)))
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 -)))
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.
34 34  
35 -(((
36 -(((
37 37  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 -)))
39 39  
40 -(((
41 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 -)))
44 44  
45 -(((
46 -(((
47 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  
51 51  
20 +== Features ==
52 52  
53 -== 1.2  Features ==
54 -
55 -
56 -* Support LoRaWAN v1.0.3 protocol
22 +* 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 59  * SMD Antenna pad and i-pex antenna connector
... ... @@ -64,8 +64,8 @@
64 64  * Ultra-long RF range
65 65  
66 66  
67 -== 1.3  Specification ==
68 68  
34 +== Specification ==
69 69  
70 70  * CPU: 32-bit 48 MHz
71 71  * Flash: 256KB
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85 85  * LoRa Rx current: <9 mA
86 86  * I/O Voltage: 3.3v
87 87  
54 +== AT Command ==
88 88  
89 -== 1.4  AT Command ==
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.
90 90  
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]].
59 +== Dimension ==
93 93  
61 +[[image:image-20220517072526-1.png]]
94 94  
95 95  
96 -== 1.5  Dimension ==
64 +== Pin Mapping ==
97 97  
66 +[[image:image-20220523101537-1.png]]
98 98  
99 -[[image:image-20220718094750-3.png]]
68 +== Land Pattern ==
100 100  
70 +[[image:image-20220517072821-2.png]]
101 101  
102 102  
103 -== 1.6  Pin Mapping ==
73 +== Part Number ==
104 104  
105 -[[image:image-20220720111850-1.png]]
75 +Part Number: **LA66-XXX**
106 106  
77 +**XX**: The default frequency band
107 107  
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
108 108  
109 -== 1.7  Land Pattern ==
89 += LA66 LoRaWAN Shield =
110 110  
91 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
111 111  
112 -[[image:image-20220517072821-2.png]]
93 +== Pin Mapping & LED ==
113 113  
95 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
114 114  
97 +== Example: Join TTN network and send an uplink message, get downlink message. ==
115 115  
116 -= 2.  FAQ =
99 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
117 117  
101 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
118 118  
119 -== 2.1  How to Compile Source Code for LA66? ==
103 +=== what needs to be used ===
120 120  
105 +1.LA66 LoRaWAN Shield that needs to be upgraded
121 121  
122 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
107 +2.Arduino
123 123  
109 +3.USB TO TTL
124 124  
111 +[[image:image-20220602100052-2.png]]
125 125  
126 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
113 +=== Wiring Schematic ===
127 127  
115 +[[image:image-20220602101311-3.png]]
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.
117 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
130 130  
119 +GND  >>>>>>>>>>>>GND
131 131  
121 +TXD  >>>>>>>>>>>>TXD
132 132  
133 -== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
123 +RXD  >>>>>>>>>>>>RXD
134 134  
125 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
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]]
127 +Connect to the PC after connecting the wires
137 137  
129 +[[image:image-20220602102240-4.png]]
138 138  
131 +=== Upgrade steps ===
139 139  
140 -= 3.  Order Info =
133 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
141 141  
135 +[[image:image-20220602102824-5.png]]
142 142  
143 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**
137 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
144 144  
139 +[[image:image-20220602104701-12.png]]
145 145  
146 -(% style="color:blue" %)**XXX**(%%): The default frequency band
141 +==== Open the upgrade application software ====
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
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/]]
157 157  
145 +[[image:image-20220602103227-6.png]]
158 158  
147 +[[image:image-20220602103357-7.png]]
159 159  
160 -= 4.  FCC Statement =
149 +===== Select the COM port corresponding to USB TTL =====
161 161  
151 +[[image:image-20220602103844-8.png]]
162 162  
163 -**(% style="color:red" %)FCC Caution:**
153 +===== Select the bin file to burn =====
164 164  
155 +[[image:image-20220602104144-9.png]]
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.
157 +[[image:image-20220602104251-10.png]]
167 167  
159 +[[image:image-20220602104402-11.png]]
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.
161 +===== Click to start the download =====
170 170  
163 +[[image:image-20220602104923-13.png]]
171 171  
172 -**(% style="color:red" %)IMPORTANT NOTE: **
165 +===== The following figure appears to prove that the burning is in progress =====
173 173  
167 +[[image:image-20220602104948-14.png]]
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:
169 +===== The following picture appears to prove that the burning is successful =====
176 176  
171 +[[image:image-20220602105251-15.png]]
177 177  
178 -—Reorient or relocate the receiving antenna.
173 += LA66 USB LoRaWAN Adapter =
179 179  
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.
180 180  
181 -—Increase the separation between the equipment and receiver.
177 +Before use, please make sure that the computer has installed the CP2102 driver
182 182  
179 +== Pin Mapping & LED ==
183 183  
184 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
181 +== Example Send & Get Messages via LoRaWAN in PC ==
185 185  
183 +Connect the LA66 LoRa Shield to the PC
186 186  
187 -—Consult the dealer or an experienced radio/TV technician for help.
185 +[[image:image-20220602171217-1.png||height="615" width="915"]]
188 188  
187 +Open the serial port tool
189 189  
190 -**(% style="color:red" %)FCC Radiation Exposure Statement: **
189 +[[image:image-20220602161617-8.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.
191 +[[image:image-20220602161718-9.png||height="529" width="927"]]
192 +
193 +Press the reset switch RST on the LA66 LoRa Shield.
194 +
195 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196 +
197 +[[image:image-20220602161935-10.png]]
198 +
199 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
200 +
201 +example: AT+SENDB=01,02,8,05820802581ea0a5
202 +
203 +[[image:image-20220602162157-11.png]]
204 +
205 +Check to see if TTN received the message
206 +
207 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
208 +
209 +== Example Send & Get Messages via LoRaWAN in RPi ==
210 +
211 +Connect the LA66 LoRa Shield to the RPI
212 +
213 +[[image:image-20220602171233-2.png||height="592" width="881"]]
214 +
215 +Log in to the RPI's terminal and connect to the serial port
216 +
217 +[[image:image-20220602153146-3.png]]
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
221 +
222 +[[image:image-20220602154928-5.png]]
223 +
224 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
225 +
226 +example: AT+SENDB=01,02,8,05820802581ea0a5
227 +
228 +[[image:image-20220602160339-6.png]]
229 +
230 +Check to see if TTN received the message
231 +
232 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
233 +
234 +=== Install Minicom ===
235 +
236 +Enter the following command in the RPI terminal
237 +
238 +apt update
239 +
240 +[[image:image-20220602143155-1.png]]
241 +
242 +apt install minicom
243 +
244 +[[image:image-20220602143744-2.png]]
245 +
246 +=== Send PC's CPU/RAM usage to TTN via script. ===
247 +
248 +==== Take python as an example： ====
249 +
250 +===== Preconditions: =====
251 +
252 +1.LA66 USB LoRaWAN Adapter works fine
253 +
254 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
255 +
256 +===== Steps for usage =====
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 +
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