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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
2		-{{toc/}}
3		-{{/box}}
	1	+0
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 LoRa 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 program, create and connect your things everywhere.
10	10
11		-**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12	12
13		-**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
	9	+= 1.  LA66 LoRaWAN Module =
14	14
15	15
	12	+== 1.1  What is LA66 LoRaWAN Module ==
16	16
17		-== Specification ==
18	18
19		-[[image:image-20220517072526-1.png]]
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
20	20
21		-Input Power Range: 1.8v ~~ 3.7v
	20	+(((
	21	+
	22	+)))
22	22
23		-Power Consumption: < 4uA.
	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	+)))
24	24
25		-Frequency Range: 150 MHz ~~ 960 MHz
	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	+)))
26	26
27		-Maximum Power +22 dBm constant RF output
	35	+(((
	36	+(((
	37	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
28	28
29		-High sensitivity: -148 dBm
	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	+)))
30	30
31		-Temperature:
	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	+)))
32	32
33		-* Storage: -55 ~~ +125℃
34		-* Operating: -40 ~~ +85℃
35	35
36		-Humidity:
37	37
38		-* Storage: 5 ~~ 95% (Non-Condensing)
39		-* Operating: 10 ~~ 95% (Non-Condensing)
	53	+== 1.2  Features ==
40	40
41		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	55	+* Support LoRaWAN v1.0.4 protocol
	56	+* Support peer-to-peer protocol
	57	+* TCXO crystal to ensure RF performance on low temperature
	58	+* SMD Antenna pad and i-pex antenna connector
	59	+* Available in different frequency LoRaWAN frequency bands.
	60	+* World-wide unique OTAA keys.
	61	+* AT Command via UART-TTL interface
	62	+* Firmware upgradable via UART interface
	63	+* Ultra-long RF range
42	42
43		-LoRa Rx current: <9 mA
	65	+== 1.3  Specification ==
44	44
45		-I/O Voltage: 3.3v
	67	+* CPU: 32-bit 48 MHz
	68	+* Flash: 256KB
	69	+* RAM: 64KB
	70	+* Input Power Range: 1.8v ~~ 3.7v
	71	+* Power Consumption: < 4uA.
	72	+* Frequency Range: 150 MHz ~~ 960 MHz
	73	+* Maximum Power +22 dBm constant RF output
	74	+* High sensitivity: -148 dBm
	75	+* Temperature:
	76	+** Storage: -55 ~~ +125℃
	77	+** Operating: -40 ~~ +85℃
	78	+* Humidity:
	79	+** Storage: 5 ~~ 95% (Non-Condensing)
	80	+** Operating: 10 ~~ 95% (Non-Condensing)
	81	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	82	+* LoRa Rx current: <9 mA
	83	+* I/O Voltage: 3.3v
46	46
	85	+== 1.4  AT Command ==
47	47
48		-== AT Command ==
49	49
50	50	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51	51
52	52
53		-== Pin Mapping ==
54	54
55		-[[image:image-20220523101537-1.png]]
	92	+== 1.5  Dimension ==
56	56
57		-== Land Pattern ==
	94	+[[image:image-20220718094750-3.png]]
58	58
	96	+
	97	+
	98	+== 1.6  Pin Mapping ==
	99	+
	100	+[[image:image-20220720111850-1.png]]
	101	+
	102	+
	103	+
	104	+== 1.7  Land Pattern ==
	105	+
59	59	[[image:image-20220517072821-2.png]]
60	60
61	61
62		-== Part Number ==
63	63
64		-Part Number: **LA66-XXX**
	110	+= 2.  LA66 LoRaWAN Shield =
65	65
66		-**XX**: The default frequency band
67	67
68		-* **AS923**: LoRaWAN AS923 band
69		-* **AU915**: LoRaWAN AU915 band
70		-* **EU433**: LoRaWAN EU433 band
71		-* **EU868**: LoRaWAN EU868 band
72		-* **KR920**: LoRaWAN KR920 band
73		-* **US915**: LoRaWAN US915 band
74		-* **IN865**: LoRaWAN IN865 band
75		-* **CN470**: LoRaWAN CN470 band
	113	+== 2.1  Overview ==
76	76
77		-= LA66 LoRaWAN Shield =
78	78
79		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
80	80
81		-== Pin Mapping & LED ==
	120	+(((
	121	+
	122	+)))
82	82
83		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	124	+(((
	125	+(% style="color:blue" %)**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.
	126	+)))
84	84
85		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	128	+(((
	129	+(((
	130	+(% 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.
	131	+)))
	132	+)))
86	86
87		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
88	88
89		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	140	+(((
	141	+(((
	142	+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.
	143	+)))
	144	+)))
90	90
91		-=== what needs to be used ===
	146	+(((
	147	+(((
	148	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	149	+)))
	150	+)))
92	92
93		-1.LA66 LoRaWAN Shield that needs to be upgraded
94	94
95		-2.Arduino
96	96
97		-3.USB TO TTL
	154	+== 2.2  Features ==
98	98
99		-[[image:image-20220602100052-2.png]]
	156	+* Arduino Shield base on LA66 LoRaWAN module
	157	+* Support LoRaWAN v1.0.4 protocol
	158	+* Support peer-to-peer protocol
	159	+* TCXO crystal to ensure RF performance on low temperature
	160	+* SMA connector
	161	+* Available in different frequency LoRaWAN frequency bands.
	162	+* World-wide unique OTAA keys.
	163	+* AT Command via UART-TTL interface
	164	+* Firmware upgradable via UART interface
	165	+* Ultra-long RF range
100	100
101		-=== Wiring Schematic ===
	167	+== 2.3  Specification ==
102	102
103		-[[image:image-20220602101311-3.png]]
	169	+* CPU: 32-bit 48 MHz
	170	+* Flash: 256KB
	171	+* RAM: 64KB
	172	+* Input Power Range: 1.8v ~~ 3.7v
	173	+* Power Consumption: < 4uA.
	174	+* Frequency Range: 150 MHz ~~ 960 MHz
	175	+* Maximum Power +22 dBm constant RF output
	176	+* High sensitivity: -148 dBm
	177	+* Temperature:
	178	+** Storage: -55 ~~ +125℃
	179	+** Operating: -40 ~~ +85℃
	180	+* Humidity:
	181	+** Storage: 5 ~~ 95% (Non-Condensing)
	182	+** Operating: 10 ~~ 95% (Non-Condensing)
	183	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	184	+* LoRa Rx current: <9 mA
	185	+* I/O Voltage: 3.3v
104	104
105		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
	187	+== 2.4  LED ==
106	106
107		-GND  >>>>>>>>>>>>GND
	189	+~1. The LED lights up red when there is an upstream data packet
	190	+2. When the network is successfully connected, the green light will be on for 5 seconds
	191	+3. Purple light on when receiving downlink data packets
108	108
109		-TXD  >>>>>>>>>>>>TXD
110	110
111		-RXD  >>>>>>>>>>>>RXD
	194	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
112	112
113		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	196	+Show connection diagram：
114	114
115		-Connect to the PC after connecting the wires
	198	+[[image:image-20220723170210-2.png||height="908" width="681"]]
116	116
117		-[[image:image-20220602102240-4.png]]
	200	+1.open Arduino IDE
118	118
119		-=== Upgrade steps ===
	202	+[[image:image-20220723170545-4.png]]
120	120
121		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	204	+2.Open project
122	122
123		-[[image:image-20220602102824-5.png]]
	206	+[[image:image-20220723170750-5.png]]
124	124
125		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	208	+3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload
126	126
127		-[[image:image-20220602104701-12.png]]
	210	+[[image:image-20220723171228-6.png]]
128	128
129		-==== Open the upgrade application software ====
	212	+4.After the upload is successful, open the serial port monitoring and send the AT command
130	130
131		-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/]]
132	132
	215	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	216	+
	217	+
	218	+
	219	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	220	+
	221	+
	222	+
	223	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	224	+
	225	+
	226	+=== 2.8.1  Items needed for update ===
	227	+
	228	+1. LA66 LoRaWAN Shield
	229	+1. Arduino
	230	+1. USB TO TTL Adapter
	231	+
	232	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	233	+
	234	+
	235	+=== 2.8.2  Connection ===
	236	+
	237	+
	238	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	239	+
	240	+
	241	+(((
	242	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	243	+)))
	244	+
	245	+(((
	246	+(% style="background-color:yellow" %)**GND  <-> GND
	247	+TXD  <->  TXD
	248	+RXD  <->  RXD**
	249	+)))
	250	+
	251	+
	252	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	253	+
	254	+Connect USB TTL Adapter to PC after connecting the wires
	255	+
	256	+
	257	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	258	+
	259	+
	260	+=== 2.8.3  Upgrade steps ===
	261	+
	262	+
	263	+==== 1.  Switch SW1 to put in ISP position ====
	264	+
	265	+
	266	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	267	+
	268	+
	269	+
	270	+==== 2.  Press the RST switch once ====
	271	+
	272	+
	273	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	274	+
	275	+
	276	+
	277	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	278	+
	279	+
	280	+(((
	281	+(% style="color:blue" %)**1. 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/]]**
	282	+)))
	283	+
	284	+
133	133	[[image:image-20220602103227-6.png]]
134	134
	287	+
135	135	[[image:image-20220602103357-7.png]]
136	136
137		-===== Select the COM port corresponding to USB TTL =====
138	138
	291	+
	292	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	293	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	294	+
	295	+
139	139	[[image:image-20220602103844-8.png]]
140	140
141		-===== Select the bin file to burn =====
142	142
	299	+
	300	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	301	+(% style="color:blue" %)**3. Select the bin file to burn**
	302	+
	303	+
143	143	[[image:image-20220602104144-9.png]]
144	144
	306	+
145	145	[[image:image-20220602104251-10.png]]
146	146
	309	+
147	147	[[image:image-20220602104402-11.png]]
148	148
149		-===== Click to start the download =====
150	150
	313	+
	314	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	315	+(% style="color:blue" %)**4. Click to start the download**
	316	+
151	151	[[image:image-20220602104923-13.png]]
152	152
153		-===== The following figure appears to prove that the burning is in progress =====
154	154
	320	+
	321	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	322	+(% style="color:blue" %)**5. Check update process**
	323	+
	324	+
155	155	[[image:image-20220602104948-14.png]]
156	156
157		-===== The following picture appears to prove that the burning is successful =====
158	158
	328	+
	329	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	330	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	331	+
159	159	[[image:image-20220602105251-15.png]]
160	160
161		-= LA66 USB LoRaWAN Adapter =
162	162
163		-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.
164	164
165		-== Pin Mapping & LED ==
	336	+= 3.  LA66 USB LoRaWAN Adapter =
166	166
167		-== Example Send & Get Messages via LoRaWAN in PC ==
168	168
169		-== Example Send & Get Messages via LoRaWAN in RPi ==
	339	+== 3.1  Overview ==
170	170
171		-=== Install USB Driver ===
172	172
173		-Download Link:[[click here>>attach:CP210x_Universal_Windows_Driver.zip]]
	342	+[[image:image-20220715001142-3.png||height="145" width="220"]]
174	174
175		-=== Install Minicom ===
176	176
177		-=== Use AT Command to send an uplink message. ===
	345	+(((
	346	+(% style="color:blue" %)**LA66 USB LoRaWAN Adapter**(%%) is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
	347	+)))
178	178
179		-=== Send PC's CPU/RAM usage to TTN via script. ===
	349	+(((
	350	+(% 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.
	351	+)))
180	180
181		-==== Take python as an example： ====
	353	+(((
	354	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	355	+)))
182	182
183		-===== Preconditions: =====
	357	+(((
	358	+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.
	359	+)))
184	184
185		-1.LA66 LoRa Shield works fine
	361	+(((
	362	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	363	+)))
186	186
187		-2.LA66 LoRa Shield is registered with TTN
188	188
189		-===== Steps for usage =====
190	190
191		-1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
	367	+== 3.2  Features ==
192	192
193		-[[image:image-20220602114148-1.png]]
	369	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	370	+* Ultra-long RF range
	371	+* Support LoRaWAN v1.0.4 protocol
	372	+* Support peer-to-peer protocol
	373	+* TCXO crystal to ensure RF performance on low temperature
	374	+* Spring RF antenna
	375	+* Available in different frequency LoRaWAN frequency bands.
	376	+* World-wide unique OTAA keys.
	377	+* AT Command via UART-TTL interface
	378	+* Firmware upgradable via UART interface
	379	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
194	194
195		-2.Run the script and see the TTN
	381	+== 3.3  Specification ==
196	196
197		-[[image:image-20220602115852-3.png]]
	383	+* CPU: 32-bit 48 MHz
	384	+* Flash: 256KB
	385	+* RAM: 64KB
	386	+* Input Power Range: 5v
	387	+* Frequency Range: 150 MHz ~~ 960 MHz
	388	+* Maximum Power +22 dBm constant RF output
	389	+* High sensitivity: -148 dBm
	390	+* Temperature:
	391	+** Storage: -55 ~~ +125℃
	392	+** Operating: -40 ~~ +85℃
	393	+* Humidity:
	394	+** Storage: 5 ~~ 95% (Non-Condensing)
	395	+** Operating: 10 ~~ 95% (Non-Condensing)
	396	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	397	+* LoRa Rx current: <9 mA
198	198
	399	+== 3.4  Pin Mapping & LED ==
199	199
200	200
201		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
202	202
	403	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
203	203
204		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	405	+
	406	+(((
	407	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	408	+)))
	409	+
	410	+
	411	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	412	+
	413	+
	414	+[[image:image-20220723100027-1.png]]
	415	+
	416	+
	417	+Open the serial port tool
	418	+
	419	+[[image:image-20220602161617-8.png]]
	420	+
	421	+[[image:image-20220602161718-9.png||height="457" width="800"]]
	422	+
	423	+
	424	+
	425	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	426	+
	427	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	428	+
	429	+
	430	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	431	+
	432	+
	433	+
	434	+(% style="color:blue" %)**3. See Uplink Command**
	435	+
	436	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	437	+
	438	+example: AT+SENDB=01,02,8,05820802581ea0a5
	439	+
	440	+[[image:image-20220602162157-11.png||height="497" width="800"]]
	441	+
	442	+
	443	+
	444	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	445	+
	446	+[[image:image-20220602162331-12.png||height="420" width="800"]]
	447	+
	448	+
	449	+
	450	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	451	+
	452	+
	453	+**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
	454	+
	455	+(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]])
	456	+
	457	+(% style="color:red" %)**Preconditions:**
	458	+
	459	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	460	+
	461	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	462	+
	463	+
	464	+
	465	+(% style="color:blue" %)**Steps for usage:**
	466	+
	467	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	468	+
	469	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	470	+
	471	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	472	+
	473	+
	474	+
	475	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	476	+
	477	+
	478	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	479	+
	480	+
	481	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	482	+
	483	+[[image:image-20220723100439-2.png]]
	484	+
	485	+
	486	+
	487	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	488	+
	489	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	490	+
	491	+ (% style="background-color:yellow" %)**apt update**
	492	+
	493	+ (% style="background-color:yellow" %)**apt install minicom**
	494	+
	495	+
	496	+Use minicom to connect to the RPI's terminal
	497	+
	498	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	499	+
	500	+
	501	+
	502	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	503	+
	504	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	505	+
	506	+
	507	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	508	+
	509	+
	510	+
	511	+(% style="color:blue" %)**4. Send Uplink message**
	512	+
	513	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	514	+
	515	+example: AT+SENDB=01,02,8,05820802581ea0a5
	516	+
	517	+
	518	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	519	+
	520	+
	521	+
	522	+Check to see if TTN received the message
	523	+
	524	+[[image:image-20220602160627-7.png||height="369" width="800"]]
	525	+
	526	+
	527	+
	528	+== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
	529	+
	530	+=== 3.8.1 DRAGINO-LA66-APP ===
	531	+
	532	+[[image:image-20220723102027-3.png]]
	533	+
	534	+==== Overview： ====
	535	+
	536	+DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module.
	537	+
	538	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	539	+
	540	+==== Conditions of Use： ====
	541	+
	542	+Requires a type-c to USB adapter
	543	+
	544	+[[image:image-20220723104754-4.png]]
	545	+
	546	+==== Use of APP: ====
	547	+
	548	+Function and page introduction
	549	+
	550	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	551	+
	552	+1.Display LA66 USB LoRaWAN Module connection status
	553	+
	554	+2.Check and reconnect
	555	+
	556	+3.Turn send timestamps on or off
	557	+
	558	+4.Display LoRaWan connection status
	559	+
	560	+5.Check LoRaWan connection status
	561	+
	562	+6.The RSSI value of the node when the ACK is received
	563	+
	564	+7.Node's Signal Strength Icon
	565	+
	566	+8.Set the packet sending interval of the node in seconds
	567	+
	568	+9.AT command input box
	569	+
	570	+10.Send AT command button
	571	+
	572	+11.Node log box
	573	+
	574	+12.clear log button
	575	+
	576	+13.exit button
	577	+
	578	+LA66 USB LoRaWAN Module not connected
	579	+
	580	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	581	+
	582	+Connect LA66 USB LoRaWAN Module
	583	+
	584	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	585	+
	586	+=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED ===
	587	+
	588	+1.Register LA66 USB LoRaWAN Module to TTNV3
	589	+
	590	+[[image:image-20220723134549-8.png]]
	591	+
	592	+2.Open Node-RED,And import the JSON file to generate the flow
	593	+
	594	+Sample JSON file please go to this link to download：放置JSON文件的链接
	595	+
	596	+For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]]
	597	+
	598	+The following is the positioning effect map
	599	+
	600	+[[image:image-20220723144339-1.png]]
	601	+
	602	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	603	+
	604	+The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method
	605	+
	606	+Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect)
	607	+
	608	+[[image:image-20220723150132-2.png]]
	609	+
	610	+
	611	+= 4.  Order Info =
	612	+
	613	+
	614	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	615	+
	616	+
	617	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	618	+
	619	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	620	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	621	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	622	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	623	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	624	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	625	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	626	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	627	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	628	+
	629	+= 5.  Reference =
	630	+
	631	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]

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