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Last modified by Xiaoling on 2023/09/19 09:20
From version 64.1
edited by Edwin Chen
on 2022/07/02 21:03
Change comment: There is no comment for this version
To version 151.1
edited by Xiaoling
on 2023/06/05 15:19
Change comment: Uploaded new attachment "image-20230605151850-1.png", version {1}

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
2 -{{toc/}}
3 -{{/box}}
1 +
4 4  
5 -= LA66 LoRaWAN Module =
3 +**Table of Contents:**
6 6  
7 -== What is LA66 LoRaWAN Module ==
5 +{{toc/}}
8 8  
9 -**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.
10 10  
11 -**LA66 **is a ready-to-use module that includes the 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 for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12 12  
9 += 1.  LA66 LoRaWAN Module =
13 13  
14 -LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
11 +== 1.1  What is LA66 LoRaWAN Module ==
15 15  
16 16  
17 -**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
14 +(((
15 +(((
16 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +)))
18 18  
19 +(((
20 +
21 +)))
19 19  
23 +(((
24 +(% 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 +)))
20 20  
21 -== Specification ==
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 +)))
22 22  
23 -[[image:image-20220517072526-1.png]]
34 +(((
35 +(((
36 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
24 24  
25 -Input Power Range: 1.8v ~~ 3.7v
39 +(((
40 +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 +)))
26 26  
27 -Power Consumption: < 4uA.
44 +(((
45 +(((
46 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
28 28  
29 -Frequency Range: 150 MHz ~~ 960 MHz
30 30  
31 -Maximum Power +22 dBm constant RF output
51 +== 1.2  Features ==
32 32  
33 -High sensitivity: -148 dBm
34 34  
35 -Temperature:
54 +* Support LoRaWAN v1.0.3 protocol
55 +* Support peer-to-peer protocol
56 +* TCXO crystal to ensure RF performance on low temperature
57 +* SMD Antenna pad and i-pex antenna connector
58 +* Available in different frequency LoRaWAN frequency bands.
59 +* World-wide unique OTAA keys.
60 +* AT Command via UART-TTL interface
61 +* Firmware upgradable via UART interface
62 +* Ultra-long RF range
36 36  
37 -* Storage: -55 ~~ +125℃
38 -* Operating: -40 ~~ +85℃
39 39  
40 -Humidity:
65 +== 1.3  Specification ==
41 41  
42 -* Storage: 5 ~~ 95% (Non-Condensing)
43 -* Operating: 10 ~~ 95% (Non-Condensing)
44 44  
45 -LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
68 +* CPU: 32-bit 48 MHz
69 +* Flash: 256KB
70 +* RAM: 64KB
71 +* Input Power Range: 1.8v ~~ 3.7v
72 +* Power Consumption: < 4uA.
73 +* Frequency Range: 150 MHz ~~ 960 MHz
74 +* Maximum Power +22 dBm constant RF output
75 +* High sensitivity: -148 dBm
76 +* Temperature:
77 +** Storage: -55 ~~ +125℃
78 +** Operating: -40 ~~ +85℃
79 +* Humidity:
80 +** Storage: 5 ~~ 95% (Non-Condensing)
81 +** Operating: 10 ~~ 95% (Non-Condensing)
82 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
83 +* LoRa Rx current: <9 mA
84 +* I/O Voltage: 3.3v
46 46  
47 -LoRa Rx current: <9 mA
48 48  
49 -I/O Voltage: 3.3v
87 +== 1.4  AT Command ==
50 50  
51 51  
52 -== AT Command ==
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/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
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  
93 +== 1.5  Dimension ==
56 56  
57 -== Pin Mapping ==
58 58  
59 -[[image:image-20220523101537-1.png]]
96 +[[image:image-20220718094750-3.png]]
60 60  
61 -== Land Pattern ==
62 62  
63 -[[image:image-20220517072821-2.png]]
99 +== 1.6  Pin Mapping ==
64 64  
101 +[[image:image-20220720111850-1.png]]
65 65  
66 -== Part Number ==
67 67  
68 -Part Number: **LA66-XXX**
104 +== 1.7  Land Pattern ==
69 69  
70 -**XX**: The default frequency band
71 71  
72 -* **AS923**: LoRaWAN AS923 band
73 -* **AU915**: LoRaWAN AU915 band
74 -* **EU433**: LoRaWAN EU433 band
75 -* **EU868**: LoRaWAN EU868 band
76 -* **KR920**: LoRaWAN KR920 band
77 -* **US915**: LoRaWAN US915 band
78 -* **IN865**: LoRaWAN IN865 band
79 -* **CN470**: LoRaWAN CN470 band
107 +[[image:image-20220517072821-2.png]]
80 80  
81 -= LA66 LoRaWAN Shield =
82 82  
83 -LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
110 += 2.  FAQ =
84 84  
85 -== Pin Mapping & LED ==
112 +== 2.1  Where to find examples of how to use LA66? ==
86 86  
87 -== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
88 88  
89 -== Example: Join TTN network and send an uplink message, get downlink message. ==
115 +(% class="wikigeneratedid" %)
116 +Below products are made by LA66. User can use their examples as reference:
90 90  
91 -== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
118 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
119 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
92 92  
93 -== Upgrade Firmware of LA66 LoRaWAN Shield ==
94 94  
95 -=== what needs to be used ===
122 +== 2.2  How to Compile Source Code for LA66? ==
96 96  
97 -1.LA66 LoRaWAN Shield that needs to be upgraded
98 98  
99 -2.Arduino
125 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
100 100  
101 -3.USB TO TTL
102 102  
103 -[[image:image-20220602100052-2.png]]
128 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
104 104  
105 -=== Wiring Schematic ===
106 106  
107 -[[image:image-20220602101311-3.png]]
131 +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.
108 108  
109 -LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
110 110  
111 -GND  >>>>>>>>>>>>GND
134 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
112 112  
113 -TXD  >>>>>>>>>>>>TXD
114 114  
115 -RXD  >>>>>>>>>>>>RXD
137 +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]]
116 116  
117 -JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
118 118  
119 -Connect to the PC after connecting the wires
140 +== 2.5 How can i use J-LInk to debug LA66? ==
120 120  
121 -[[image:image-20220602102240-4.png]]
122 122  
123 -=== Upgrade steps ===
124 124  
125 -==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
144 += 3.  Order Info =
126 126  
127 -[[image:image-20220602102824-5.png]]
128 128  
129 -==== Press the RST switch on the LA66 LoRaWAN Shield once ====
147 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
130 130  
131 -[[image:image-20220602104701-12.png]]
149 +(% style="color:blue" %)**XXX**(%%): The default frequency band
132 132  
133 -==== Open the upgrade application software ====
151 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
152 +* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
153 +* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
154 +* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
155 +* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
156 +* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
157 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
158 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
159 +* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
134 134  
135 -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/]]
136 136  
137 -[[image:image-20220602103227-6.png]]
162 += 4.  FCC Statement =
138 138  
139 -[[image:image-20220602103357-7.png]]
140 140  
141 -===== Select the COM port corresponding to USB TTL =====
165 +(% style="color:red" %)**FCC Caution:**
142 142  
143 -[[image:image-20220602103844-8.png]]
167 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
144 144  
145 -===== Select the bin file to burn =====
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.
146 146  
147 -[[image:image-20220602104144-9.png]]
148 148  
149 -[[image:image-20220602104251-10.png]]
172 +(% style="color:red" %)**IMPORTANT NOTE: **
150 150  
151 -[[image:image-20220602104402-11.png]]
174 +(% 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:
152 152  
153 -===== Click to start the download =====
176 +—Reorient or relocate the receiving antenna.
154 154  
155 -[[image:image-20220602104923-13.png]]
178 +—Increase the separation between the equipment and receiver.
156 156  
157 -===== The following figure appears to prove that the burning is in progress =====
180 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
158 158  
159 -[[image:image-20220602104948-14.png]]
182 +—Consult the dealer or an experienced radio/TV technician for help.
160 160  
161 -===== The following picture appears to prove that the burning is successful =====
162 162  
163 -[[image:image-20220602105251-15.png]]
185 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
164 164  
165 -= LA66 USB LoRaWAN Adapter =
187 +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.
166 166  
167 -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.
168 -
169 -Before use, please make sure that the computer has installed the CP2102 driver
170 -
171 -== Pin Mapping & LED ==
172 -
173 -== Example Send & Get Messages via LoRaWAN in PC ==
174 -
175 -Connect the LA66 LoRa Shield to the PC
176 -
177 -[[image:image-20220602171217-1.png||height="615" width="915"]]
178 -
179 -Open the serial port tool
180 -
181 -[[image:image-20220602161617-8.png]]
182 -
183 -[[image:image-20220602161718-9.png||height="529" width="927"]]
184 -
185 -Press the reset switch RST on the LA66 LoRa Shield.
186 -
187 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188 -
189 -[[image:image-20220602161935-10.png]]
190 -
191 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
192 -
193 -example: AT+SENDB=01,02,8,05820802581ea0a5
194 -
195 -[[image:image-20220602162157-11.png]]
196 -
197 -Check to see if TTN received the message
198 -
199 -[[image:image-20220602162331-12.png||height="547" width="1044"]]
200 -
201 -== Example Send & Get Messages via LoRaWAN in RPi ==
202 -
203 -Connect the LA66 LoRa Shield to the RPI
204 -
205 -[[image:image-20220602171233-2.png||height="592" width="881"]]
206 -
207 -Log in to the RPI's terminal and connect to the serial port
208 -
209 -[[image:image-20220602153146-3.png]]
210 -
211 -Press the reset switch RST on the LA66 LoRa Shield.
212 -The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
213 -
214 -[[image:image-20220602154928-5.png]]
215 -
216 -send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
217 -
218 -example: AT+SENDB=01,02,8,05820802581ea0a5
219 -
220 -[[image:image-20220602160339-6.png]]
221 -
222 -Check to see if TTN received the message
223 -
224 -[[image:image-20220602160627-7.png||height="468" width="1013"]]
225 -
226 -=== Install Minicom ===
227 -
228 -Enter the following command in the RPI terminal
229 -
230 -apt update
231 -
232 -[[image:image-20220602143155-1.png]]
233 -
234 -apt install minicom
235 -
236 -[[image:image-20220602143744-2.png]]
237 -
238 -=== Send PC's CPU/RAM usage to TTN via script. ===
239 -
240 -==== Take python as an example： ====
241 -
242 -===== Preconditions: =====
243 -
244 -1.LA66 USB LoRaWAN Adapter works fine
245 -
246 -2.LA66 USB LoRaWAN Adapter  is registered with TTN
247 -
248 -===== Steps for usage =====
249 -
250 -1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
251 -
252 -2.Run the script and see the TTN
253 -
254 -[[image:image-20220602115852-3.png]]
255 -
256 -
257 -
258 -== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
259 -
260 -
261 -== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262 -
263 263  
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