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Last modified by Xiaoling on 2023/09/19 09:20
From version 68.1
edited by Edwin Chen
on 2022/07/02 23:42
Change comment: There is no comment for this version
To version 148.6
edited by Xiaoling
on 2022/10/10 11:31
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
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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 +
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 +(((
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.
26 +)))
27 +)))
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.
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 +)))
12 12  
35 +(((
36 +(((
13 13  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
38 +)))
14 14  
40 +(((
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.
42 +)))
43 +)))
16 16  
45 +(((
46 +(((
17 17  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
48 +)))
49 +)))
18 18  
19 19  
20 -== Features ==
21 21  
22 -* Support LoRaWAN v1.0.4 protocol
53 +== 1.2  Features ==
54 +
55 +
56 +* 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
26 26  * Available in different frequency LoRaWAN frequency bands.
27 27  * World-wide unique OTAA keys.
62 +* AT Command via UART-TTL interface
63 +* Firmware upgradable via UART interface
64 +* Ultra-long RF range
28 28  
29 29  
67 +== 1.3  Specification ==
30 30  
31 31  
32 -== Specification ==
33 -
34 34  * CPU: 32-bit 48 MHz
35 35  * Flash: 256KB
36 36  * RAM: 64KB
... ... @@ -49,222 +49,108 @@
49 49  * LoRa Rx current: <9 mA
50 50  * I/O Voltage: 3.3v
51 51  
52 -== AT Command ==
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.
89 +== 1.4  AT Command ==
55 55  
56 56  
57 -== Dimension ==
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]].
58 58  
59 -[[image:image-20220517072526-1.png]]
60 60  
61 61  
62 -== Pin Mapping ==
96 +== 1.5  Dimension ==
63 63  
64 -[[image:image-20220523101537-1.png]]
65 65  
66 -== Land Pattern ==
99 +[[image:image-20220718094750-3.png]]
67 67  
68 -[[image:image-20220517072821-2.png]]
69 69  
70 70  
71 -== Part Number ==
103 +== 1.6  Pin Mapping ==
72 72  
73 -Part Number: **LA66-XXX**
105 +[[image:image-20220720111850-1.png]]
74 74  
75 -**XX**: The default frequency band
76 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 86  
109 +== 1.7  Land Pattern ==
87 87  
88 -= LA66 LoRaWAN Shield =
89 89  
90 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
112 +[[image:image-20220517072821-2.png]]
91 91  
92 -== Pin Mapping & LED ==
93 93  
94 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
95 95  
96 -== Example: Join TTN network and send an uplink message, get downlink message. ==
116 += 2.  FAQ =
97 97  
98 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
99 99  
100 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
119 +== 2.1  How to Compile Source Code for LA66? ==
101 101  
102 -=== what needs to be used ===
103 103  
104 -1.LA66 LoRaWAN Shield that needs to be upgraded
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
105 105  
106 -2.Arduino
107 107  
108 -3.USB TO TTL
109 109  
110 -[[image:image-20220602100052-2.png]]
126 +== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
111 111  
112 -=== Wiring Schematic ===
113 113  
114 -[[image:image-20220602101311-3.png]]
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.
115 115  
116 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
117 117  
118 -GND  >>>>>>>>>>>>GND
119 119  
120 -TXD  >>>>>>>>>>>>TXD
133 +== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
121 121  
122 -RXD  >>>>>>>>>>>>RXD
123 123  
124 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
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]]
125 125  
126 -Connect to the PC after connecting the wires
127 127  
128 -[[image:image-20220602102240-4.png]]
129 129  
130 -=== Upgrade steps ===
140 += 3.  Order Info =
131 131  
132 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
133 133  
134 -[[image:image-20220602102824-5.png]]
143 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
135 135  
136 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
137 137  
138 -[[image:image-20220602104701-12.png]]
146 +(% style="color:blue" %)**XXX**(%%): The default frequency band
139 139  
140 -==== Open the upgrade application software ====
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
141 141  
142 -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/]]
143 143  
144 -[[image:image-20220602103227-6.png]]
145 145  
146 -[[image:image-20220602103357-7.png]]
160 += 4.  FCC Statement =
147 147  
148 -===== Select the COM port corresponding to USB TTL =====
149 149  
150 -[[image:image-20220602103844-8.png]]
163 +**(% style="color:red" %)FCC Caution:**
151 151  
152 -===== Select the bin file to burn =====
153 153  
154 -[[image:image-20220602104144-9.png]]
166 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
155 155  
156 -[[image:image-20220602104251-10.png]]
157 157  
158 -[[image:image-20220602104402-11.png]]
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.
159 159  
160 -===== Click to start the download =====
161 161  
162 -[[image:image-20220602104923-13.png]]
172 +**(% style="color:red" %)IMPORTANT NOTE: **
163 163  
164 -===== The following figure appears to prove that the burning is in progress =====
165 165  
166 -[[image:image-20220602104948-14.png]]
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:
167 167  
168 -===== The following picture appears to prove that the burning is successful =====
169 169  
170 -[[image:image-20220602105251-15.png]]
178 +—Reorient or relocate the receiving antenna.
171 171  
172 -= LA66 USB LoRaWAN Adapter =
173 173  
174 -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.
181 +—Increase the separation between the equipment and receiver.
175 175  
176 -Before use, please make sure that the computer has installed the CP2102 driver
177 177  
178 -== Pin Mapping & LED ==
184 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
179 179  
180 -== Example Send & Get Messages via LoRaWAN in PC ==
181 181  
182 -Connect the LA66 LoRa Shield to the PC
187 +—Consult the dealer or an experienced radio/TV technician for help.
183 183  
184 -[[image:image-20220602171217-1.png||height="615" width="915"]]
185 185  
186 -Open the serial port tool
190 +**(% style="color:red" %)FCC Radiation Exposure Statement: **
187 187  
188 -[[image:image-20220602161617-8.png]]
189 -
190 -[[image:image-20220602161718-9.png||height="529" width="927"]]
191 -
192 -Press the reset switch RST on the LA66 LoRa Shield.
193 -
194 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195 -
196 -[[image:image-20220602161935-10.png]]
197 -
198 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
199 -
200 -example: AT+SENDB=01,02,8,05820802581ea0a5
201 -
202 -[[image:image-20220602162157-11.png]]
203 -
204 -Check to see if TTN received the message
205 -
206 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
207 -
208 -== Example Send & Get Messages via LoRaWAN in RPi ==
209 -
210 -Connect the LA66 LoRa Shield to the RPI
211 -
212 -[[image:image-20220602171233-2.png||height="592" width="881"]]
213 -
214 -Log in to the RPI's terminal and connect to the serial port
215 -
216 -[[image:image-20220602153146-3.png]]
217 -
218 -Press the reset switch RST on the LA66 LoRa Shield.
219 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220 -
221 -[[image:image-20220602154928-5.png]]
222 -
223 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
224 -
225 -example: AT+SENDB=01,02,8,05820802581ea0a5
226 -
227 -[[image:image-20220602160339-6.png]]
228 -
229 -Check to see if TTN received the message
230 -
231 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
232 -
233 -=== Install Minicom ===
234 -
235 -Enter the following command in the RPI terminal
236 -
237 -apt update
238 -
239 -[[image:image-20220602143155-1.png]]
240 -
241 -apt install minicom
242 -
243 -[[image:image-20220602143744-2.png]]
244 -
245 -=== Send PC's CPU/RAM usage to TTN via script. ===
246 -
247 -==== Take python as an example： ====
248 -
249 -===== Preconditions: =====
250 -
251 -1.LA66 USB LoRaWAN Adapter works fine
252 -
253 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
254 -
255 -===== Steps for usage =====
256 -
257 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
258 -
259 -2.Run the script and see the TTN
260 -
261 -[[image:image-20220602115852-3.png]]
262 -
263 -
264 -
265 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
266 -
267 -
268 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269 -
270 -
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.
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