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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  Pin Mapping & LED ==
106	106
107		-GND  >>>>>>>>>>>>GND
108	108
109		-TXD  >>>>>>>>>>>>TXD
110	110
111		-RXD  >>>>>>>>>>>>RXD
	191	+== 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
114	114
115		-Connect to the PC after connecting the wires
116	116
117		-[[image:image-20220602102240-4.png]]
	195	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
118	118
119		-=== Upgrade steps ===
120	120
121		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
122	122
123		-[[image:image-20220602102824-5.png]]
	199	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
124	124
125		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126	126
127		-[[image:image-20220602104701-12.png]]
128	128
129		-==== Open the upgrade application software ====
	203	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
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
	206	+=== 2.8.1  Items needed for update ===
	207	+
	208	+1. LA66 LoRaWAN Shield
	209	+1. Arduino
	210	+1. USB TO TTL Adapter
	211	+
	212	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	213	+
	214	+
	215	+=== 2.8.2  Connection ===
	216	+
	217	+
	218	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	219	+
	220	+
	221	+(((
	222	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	223	+)))
	224	+
	225	+(((
	226	+(% style="background-color:yellow" %)**GND  <-> GND
	227	+TXD  <->  TXD
	228	+RXD  <->  RXD**
	229	+)))
	230	+
	231	+
	232	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	233	+
	234	+Connect USB TTL Adapter to PC after connecting the wires
	235	+
	236	+
	237	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	238	+
	239	+
	240	+=== 2.8.3  Upgrade steps ===
	241	+
	242	+
	243	+==== 1.  Switch SW1 to put in ISP position ====
	244	+
	245	+
	246	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	247	+
	248	+
	249	+
	250	+==== 2.  Press the RST switch once ====
	251	+
	252	+
	253	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	254	+
	255	+
	256	+
	257	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	258	+
	259	+
	260	+(((
	261	+(% 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/]]**
	262	+)))
	263	+
	264	+
133	133	[[image:image-20220602103227-6.png]]
134	134
	267	+
135	135	[[image:image-20220602103357-7.png]]
136	136
137		-===== Select the COM port corresponding to USB TTL =====
138	138
	271	+
	272	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	273	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	274	+
	275	+
139	139	[[image:image-20220602103844-8.png]]
140	140
141		-===== Select the bin file to burn =====
142	142
	279	+
	280	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	281	+(% style="color:blue" %)**3. Select the bin file to burn**
	282	+
	283	+
143	143	[[image:image-20220602104144-9.png]]
144	144
	286	+
145	145	[[image:image-20220602104251-10.png]]
146	146
	289	+
147	147	[[image:image-20220602104402-11.png]]
148	148
149		-===== Click to start the download =====
150	150
	293	+
	294	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	295	+(% style="color:blue" %)**4. Click to start the download**
	296	+
151	151	[[image:image-20220602104923-13.png]]
152	152
153		-===== The following figure appears to prove that the burning is in progress =====
154	154
	300	+
	301	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	302	+(% style="color:blue" %)**5. Check update process**
	303	+
	304	+
155	155	[[image:image-20220602104948-14.png]]
156	156
157		-===== The following picture appears to prove that the burning is successful =====
158	158
	308	+
	309	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	310	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	311	+
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		-Before use, please make sure that the computer has installed the CP2102 driver
	316	+= 3.  LA66 USB LoRaWAN Adapter =
166	166
167		-== Pin Mapping & LED ==
168	168
169		-== Example Send & Get Messages via LoRaWAN in PC ==
	319	+== 3.1  Overview ==
170	170
171		-== Example Send & Get Messages via LoRaWAN in RPi ==
172	172
173		-Connect the LA66 LoRa Shield to the RPI
	322	+[[image:image-20220715001142-3.png||height="145" width="220"]]
174	174
175		-[[image:image-20220602153333-4.png]]
176	176
177		-Log in to the RPI's terminal and connect to the serial port
	325	+(((
	326	+(% 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.
	327	+)))
178	178
179		-[[image:image-20220602153146-3.png]]
	329	+(((
	330	+(% 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.
	331	+)))
180	180
181		-Press the reset switch RST on the LA66 LoRa Shield.
182		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
	333	+(((
	334	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	335	+)))
183	183
184		-[[image:image-20220602154928-5.png]]
	337	+(((
	338	+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.
	339	+)))
185	185
186		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	341	+(((
	342	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	343	+)))
187	187
	345	+
	346	+
	347	+== 3.2  Features ==
	348	+
	349	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	350	+* Ultra-long RF range
	351	+* Support LoRaWAN v1.0.4 protocol
	352	+* Support peer-to-peer protocol
	353	+* TCXO crystal to ensure RF performance on low temperature
	354	+* Spring RF antenna
	355	+* Available in different frequency LoRaWAN frequency bands.
	356	+* World-wide unique OTAA keys.
	357	+* AT Command via UART-TTL interface
	358	+* Firmware upgradable via UART interface
	359	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	360	+
	361	+== 3.3  Specification ==
	362	+
	363	+* CPU: 32-bit 48 MHz
	364	+* Flash: 256KB
	365	+* RAM: 64KB
	366	+* Input Power Range: 5v
	367	+* Frequency Range: 150 MHz ~~ 960 MHz
	368	+* Maximum Power +22 dBm constant RF output
	369	+* High sensitivity: -148 dBm
	370	+* Temperature:
	371	+** Storage: -55 ~~ +125℃
	372	+** Operating: -40 ~~ +85℃
	373	+* Humidity:
	374	+** Storage: 5 ~~ 95% (Non-Condensing)
	375	+** Operating: 10 ~~ 95% (Non-Condensing)
	376	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	377	+* LoRa Rx current: <9 mA
	378	+
	379	+== 3.4  Pin Mapping & LED ==
	380	+
	381	+
	382	+
	383	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	384	+
	385	+
	386	+(((
	387	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	388	+)))
	389	+
	390	+
	391	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	392	+
	393	+
	394	+[[image:image-20220723100027-1.png]]
	395	+
	396	+
	397	+Open the serial port tool
	398	+
	399	+[[image:image-20220602161617-8.png]]
	400	+
	401	+[[image:image-20220602161718-9.png||height="457" width="800"]]
	402	+
	403	+
	404	+
	405	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	406	+
	407	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	408	+
	409	+
	410	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	411	+
	412	+
	413	+
	414	+(% style="color:blue" %)**3. See Uplink Command**
	415	+
	416	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	417	+
188	188	example: AT+SENDB=01,02,8,05820802581ea0a5
189	189
190		-[[image:image-20220602160339-6.png]]
	420	+[[image:image-20220602162157-11.png||height="497" width="800"]]
191	191
	422	+
	423	+
	424	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	425	+
	426	+[[image:image-20220602162331-12.png||height="420" width="800"]]
	427	+
	428	+
	429	+
	430	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	431	+
	432	+
	433	+**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]]
	434	+
	435	+(**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]])
	436	+
	437	+(% style="color:red" %)**Preconditions:**
	438	+
	439	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	440	+
	441	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	442	+
	443	+
	444	+
	445	+(% style="color:blue" %)**Steps for usage:**
	446	+
	447	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	448	+
	449	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	450	+
	451	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	452	+
	453	+
	454	+
	455	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	456	+
	457	+
	458	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	459	+
	460	+
	461	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	462	+
	463	+[[image:image-20220723100439-2.png]]
	464	+
	465	+
	466	+
	467	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	468	+
	469	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	470	+
	471	+ (% style="background-color:yellow" %)**apt update**
	472	+
	473	+ (% style="background-color:yellow" %)**apt install minicom**
	474	+
	475	+
	476	+Use minicom to connect to the RPI's terminal
	477	+
	478	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	479	+
	480	+
	481	+
	482	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	483	+
	484	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	485	+
	486	+
	487	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	488	+
	489	+
	490	+
	491	+(% style="color:blue" %)**4. Send Uplink message**
	492	+
	493	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	494	+
	495	+example: AT+SENDB=01,02,8,05820802581ea0a5
	496	+
	497	+
	498	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	499	+
	500	+
	501	+
192	192	Check to see if TTN received the message
193	193
194		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	504	+[[image:image-20220602160627-7.png||height="369" width="800"]]
195	195
196		-=== Install Minicom ===
197	197
198		-Enter the following command in the RPI terminal
199	199
200		-apt update
	508	+== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
201	201
202		-[[image:image-20220602143155-1.png]]
	510	+=== 3.8.1 DRAGINO-LA66-APP ===
203	203
204		-apt install minicom
	512	+[[image:image-20220723102027-3.png]]
205	205
206		-[[image:image-20220602143744-2.png]]
	514	+==== Overview： ====
207	207
208		-=== Use AT Command to send an uplink message. ===
	516	+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.
209	209
210		-=== Send PC's CPU/RAM usage to TTN via script. ===
	518	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
211	211
212		-==== Take python as an example： ====
	520	+==== Conditions of Use： ====
213	213
214		-===== Preconditions: =====
	522	+Requires a type-c to USB adapter
215	215
216		-1.LA66 LoRa Shield works fine
	524	+[[image:image-20220723104754-4.png]]
217	217
218		-2.LA66 LoRa Shield is registered with TTN
	526	+==== Use of APP: ====
219	219
220		-===== Steps for usage =====
	528	+Function and page introduction
221	221
222		-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
	530	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
223	223
224		-[[image:image-20220602114148-1.png]]
	532	+1.Display LA66 USB LoRaWAN Module connection status
225	225
226		-2.Run the script and see the TTN
	534	+2.Check and reconnect
227	227
228		-[[image:image-20220602115852-3.png]]
	536	+3.Turn send timestamps on or off
229	229
	538	+4.Display LoRaWan connection status
230	230
	540	+5.Check LoRaWan connection status
231	231
232		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	542	+6.The RSSI value of the node when the ACK is received
233	233
	544	+7.Node's Signal Strength Icon
234	234
235		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	546	+8.Set the packet sending interval of the node in seconds
	547	+
	548	+9.AT command input box
	549	+
	550	+10.Send AT command button
	551	+
	552	+11.Node log box
	553	+
	554	+12.clear log button
	555	+
	556	+13.exit button
	557	+
	558	+LA66 USB LoRaWAN Module not connected
	559	+
	560	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	561	+
	562	+Connect LA66 USB LoRaWAN Module
	563	+
	564	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	565	+
	566	+=== 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 ===
	567	+
	568	+1.Register LA66 USB LoRaWAN Module to TTNV3
	569	+
	570	+[[image:image-20220723134549-8.png]]
	571	+
	572	+2.Open Node-RED,And import the JSON file to generate the flow
	573	+
	574	+For the usage of Node-RED, please refer to:
	575	+
	576	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	577	+
	578	+
	579	+
	580	+
	581	+= 4.  Order Info =
	582	+
	583	+
	584	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	585	+
	586	+
	587	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	588	+
	589	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	590	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	591	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	592	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	593	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	594	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	595	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	596	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	597	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	598	+
	599	+= 5.  Reference =
	600	+
	601	+* 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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