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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		-**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.
	9	+= 1.  LA66 LoRaWAN Module =
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.
	12	+== 1.1  What is LA66 LoRaWAN Module ==
14	14
15	15
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
16	16
17		-== Specification ==
	20	+(((
	21	+
	22	+)))
18	18
19		-[[image:image-20220517072526-1.png]]
	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	+)))
20	20
21		-Input Power Range: 1.8v ~~ 3.7v
	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	+)))
22	22
23		-Power Consumption: < 4uA.
	35	+(((
	36	+(((
	37	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
24	24
25		-Frequency Range: 150 MHz ~~ 960 MHz
	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	+)))
26	26
27		-Maximum Power +22 dBm constant RF output
	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	+)))
28	28
29		-High sensitivity: -148 dBm
30	30
31		-Temperature:
32	32
33		-* Storage: -55 ~~ +125℃
34		-* Operating: -40 ~~ +85℃
	53	+== 1.2  Features ==
35	35
36		-Humidity:
	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
37	37
38		-* Storage: 5 ~~ 95% (Non-Condensing)
39		-* Operating: 10 ~~ 95% (Non-Condensing)
40	40
41		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	66	+== 1.3  Specification ==
42	42
43		-LoRa Rx current: <9 mA
	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
44	44
45		-I/O Voltage: 3.3v
46	46
	87	+== 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]]
	94	+== 1.5  Dimension ==
56	56
57		-== Land Pattern ==
	96	+[[image:image-20220718094750-3.png]]
58	58
	98	+
	99	+
	100	+== 1.6  Pin Mapping ==
	101	+
	102	+[[image:image-20220720111850-1.png]]
	103	+
	104	+
	105	+
	106	+== 1.7  Land Pattern ==
	107	+
59	59	[[image:image-20220517072821-2.png]]
60	60
61	61
62		-== Part Number ==
63	63
64		-Part Number: **LA66-XXX**
	112	+= 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
	115	+== 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.
	118	+(((
	119	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	120	+)))
80	80
81		-== Pin Mapping & LED ==
	122	+(((
	123	+
	124	+)))
82	82
83		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	126	+(((
	127	+(% 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.
	128	+)))
84	84
85		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	130	+(((
	131	+(((
	132	+(% 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.
	133	+)))
	134	+)))
86	86
87		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	136	+(((
	137	+(((
	138	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	139	+)))
	140	+)))
88	88
89		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	142	+(((
	143	+(((
	144	+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.
	145	+)))
	146	+)))
90	90
91		-=== what needs to be used ===
	148	+(((
	149	+(((
	150	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	151	+)))
	152	+)))
92	92
93		-1.LA66 LoRaWAN Shield that needs to be upgraded
94	94
95		-2.Arduino
96	96
97		-3.USB TO TTL
	156	+== 2.2  Features ==
98	98
99		-[[image:image-20220602100052-2.png]]
	158	+* Arduino Shield base on LA66 LoRaWAN module
	159	+* Support LoRaWAN v1.0.4 protocol
	160	+* Support peer-to-peer protocol
	161	+* TCXO crystal to ensure RF performance on low temperature
	162	+* SMA connector
	163	+* Available in different frequency LoRaWAN frequency bands.
	164	+* World-wide unique OTAA keys.
	165	+* AT Command via UART-TTL interface
	166	+* Firmware upgradable via UART interface
	167	+* Ultra-long RF range
100	100
101		-=== Wiring Schematic ===
102	102
103		-[[image:image-20220602101311-3.png]]
	170	+== 2.3  Specification ==
104	104
105		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
	172	+* CPU: 32-bit 48 MHz
	173	+* Flash: 256KB
	174	+* RAM: 64KB
	175	+* Input Power Range: 1.8v ~~ 3.7v
	176	+* Power Consumption: < 4uA.
	177	+* Frequency Range: 150 MHz ~~ 960 MHz
	178	+* Maximum Power +22 dBm constant RF output
	179	+* High sensitivity: -148 dBm
	180	+* Temperature:
	181	+** Storage: -55 ~~ +125℃
	182	+** Operating: -40 ~~ +85℃
	183	+* Humidity:
	184	+** Storage: 5 ~~ 95% (Non-Condensing)
	185	+** Operating: 10 ~~ 95% (Non-Condensing)
	186	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	187	+* LoRa Rx current: <9 mA
	188	+* I/O Voltage: 3.3v
106	106
107		-GND  >>>>>>>>>>>>GND
108	108
109		-TXD  >>>>>>>>>>>>TXD
	191	+== 2.4  Pin Mapping & LED ==
110	110
111		-RXD  >>>>>>>>>>>>RXD
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
	195	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
116	116
117		-[[image:image-20220602102240-4.png]]
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 ====
	199	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
122	122
123		-[[image:image-20220602102824-5.png]]
124	124
125		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126	126
127		-[[image:image-20220602104701-12.png]]
	203	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
128	128
129		-==== Open the upgrade application software ====
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
	207	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	208	+
	209	+
	210	+=== 2.8.1  Items needed for update ===
	211	+
	212	+1. LA66 LoRaWAN Shield
	213	+1. Arduino
	214	+1. USB TO TTL Adapter
	215	+
	216	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	217	+
	218	+
	219	+=== 2.8.2  Connection ===
	220	+
	221	+
	222	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	223	+
	224	+
	225	+(((
	226	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	227	+)))
	228	+
	229	+(((
	230	+(% style="background-color:yellow" %)**GND  <-> GND
	231	+TXD  <->  TXD
	232	+RXD  <->  RXD**
	233	+)))
	234	+
	235	+
	236	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	237	+
	238	+Connect USB TTL Adapter to PC after connecting the wires
	239	+
	240	+
	241	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	242	+
	243	+
	244	+=== 2.8.3  Upgrade steps ===
	245	+
	246	+
	247	+==== 1.  Switch SW1 to put in ISP position ====
	248	+
	249	+
	250	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	251	+
	252	+
	253	+
	254	+==== 2.  Press the RST switch once ====
	255	+
	256	+
	257	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	258	+
	259	+
	260	+
	261	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	262	+
	263	+
	264	+(((
	265	+(% 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/]]**
	266	+)))
	267	+
	268	+
133	133	[[image:image-20220602103227-6.png]]
134	134
	271	+
135	135	[[image:image-20220602103357-7.png]]
136	136
137		-===== Select the COM port corresponding to USB TTL =====
138	138
	275	+
	276	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	277	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	278	+
	279	+
139	139	[[image:image-20220602103844-8.png]]
140	140
141		-===== Select the bin file to burn =====
142	142
	283	+
	284	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	285	+(% style="color:blue" %)**3. Select the bin file to burn**
	286	+
	287	+
143	143	[[image:image-20220602104144-9.png]]
144	144
	290	+
145	145	[[image:image-20220602104251-10.png]]
146	146
	293	+
147	147	[[image:image-20220602104402-11.png]]
148	148
149		-===== Click to start the download =====
150	150
	297	+
	298	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	299	+(% style="color:blue" %)**4. Click to start the download**
	300	+
151	151	[[image:image-20220602104923-13.png]]
152	152
153		-===== The following figure appears to prove that the burning is in progress =====
154	154
	304	+
	305	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	306	+(% style="color:blue" %)**5. Check update process**
	307	+
	308	+
155	155	[[image:image-20220602104948-14.png]]
156	156
157		-===== The following picture appears to prove that the burning is successful =====
158	158
	312	+
	313	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	314	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	315	+
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
	320	+= 3.  LA66 USB LoRaWAN Adapter =
166	166
167		-== Pin Mapping & LED ==
168	168
169		-== Example Send & Get Messages via LoRaWAN in PC ==
	323	+== 3.1  Overview ==
170	170
171		-Connect the LA66 LoRa Shield to the PC
172	172
173		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	326	+[[image:image-20220715001142-3.png||height="145" width="220"]]
174	174
	328	+
	329	+(((
	330	+(% 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.
	331	+)))
	332	+
	333	+(((
	334	+(% 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.
	335	+)))
	336	+
	337	+(((
	338	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	339	+)))
	340	+
	341	+(((
	342	+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.
	343	+)))
	344	+
	345	+(((
	346	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	347	+)))
	348	+
	349	+
	350	+
	351	+== 3.2  Features ==
	352	+
	353	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	354	+* Ultra-long RF range
	355	+* Support LoRaWAN v1.0.4 protocol
	356	+* Support peer-to-peer protocol
	357	+* TCXO crystal to ensure RF performance on low temperature
	358	+* Spring RF antenna
	359	+* Available in different frequency LoRaWAN frequency bands.
	360	+* World-wide unique OTAA keys.
	361	+* AT Command via UART-TTL interface
	362	+* Firmware upgradable via UART interface
	363	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	364	+
	365	+
	366	+== 3.3  Specification ==
	367	+
	368	+* CPU: 32-bit 48 MHz
	369	+* Flash: 256KB
	370	+* RAM: 64KB
	371	+* Input Power Range: 5v
	372	+* Frequency Range: 150 MHz ~~ 960 MHz
	373	+* Maximum Power +22 dBm constant RF output
	374	+* High sensitivity: -148 dBm
	375	+* Temperature:
	376	+** Storage: -55 ~~ +125℃
	377	+** Operating: -40 ~~ +85℃
	378	+* Humidity:
	379	+** Storage: 5 ~~ 95% (Non-Condensing)
	380	+** Operating: 10 ~~ 95% (Non-Condensing)
	381	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	382	+* LoRa Rx current: <9 mA
	383	+
	384	+
	385	+== 3.4  Pin Mapping & LED ==
	386	+
	387	+
	388	+
	389	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	390	+
	391	+
	392	+(((
	393	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	394	+)))
	395	+
	396	+
	397	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	398	+
	399	+
	400	+[[image:image-20220723100027-1.png]]
	401	+
	402	+
175	175	Open the serial port tool
176	176
177	177	[[image:image-20220602161617-8.png]]
178	178
179		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	407	+[[image:image-20220602161718-9.png||height="457" width="800"]]
180	180
181		-Press the reset switch RST on the LA66 LoRa Shield.
182	182
183		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
184	184
185		-[[image:image-20220602161935-10.png]]
	411	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
186	186
187		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	413	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
188	188
	415	+
	416	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	417	+
	418	+
	419	+
	420	+(% style="color:blue" %)**3. See Uplink Command**
	421	+
	422	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	423	+
189	189	example: AT+SENDB=01,02,8,05820802581ea0a5
190	190
191		-[[image:image-20220602162157-11.png]]
	426	+[[image:image-20220602162157-11.png||height="497" width="800"]]
192	192
193		-Check to see if TTN received the message
194	194
195		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
196	196
197		-== Example Send & Get Messages via LoRaWAN in RPi ==
	430	+(% style="color:blue" %)**4. Check to see if TTN received the message**
198	198
199		-Connect the LA66 LoRa Shield to the RPI
	432	+[[image:image-20220602162331-12.png||height="420" width="800"]]
200	200
201		-[[image:image-20220602171233-2.png||height="592" width="881"]]
202	202
203		-Log in to the RPI's terminal and connect to the serial port
204	204
205		-[[image:image-20220602153146-3.png]]
	436	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
206	206
207		-Press the reset switch RST on the LA66 LoRa Shield.
208		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
209	209
210		-[[image:image-20220602154928-5.png]]
	439	+**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]]
211	211
212		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	441	+(**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]])
213	213
	443	+(% style="color:red" %)**Preconditions:**
	444	+
	445	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	446	+
	447	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	448	+
	449	+
	450	+
	451	+(% style="color:blue" %)**Steps for usage:**
	452	+
	453	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	454	+
	455	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	456	+
	457	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	458	+
	459	+
	460	+
	461	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	462	+
	463	+
	464	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	465	+
	466	+
	467	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	468	+
	469	+[[image:image-20220723100439-2.png]]
	470	+
	471	+
	472	+
	473	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	474	+
	475	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	476	+
	477	+ (% style="background-color:yellow" %)**apt update**
	478	+
	479	+ (% style="background-color:yellow" %)**apt install minicom**
	480	+
	481	+
	482	+Use minicom to connect to the RPI's terminal
	483	+
	484	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	485	+
	486	+
	487	+
	488	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	489	+
	490	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	491	+
	492	+
	493	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	494	+
	495	+
	496	+
	497	+(% style="color:blue" %)**4. Send Uplink message**
	498	+
	499	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	500	+
214	214	example: AT+SENDB=01,02,8,05820802581ea0a5
215	215
216		-[[image:image-20220602160339-6.png]]
217	217
	504	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	505	+
	506	+
	507	+
218	218	Check to see if TTN received the message
219	219
220		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	510	+[[image:image-20220602160627-7.png||height="369" width="800"]]
221	221
222		-=== Install Minicom ===
223	223
224		-Enter the following command in the RPI terminal
225	225
226		-apt update
	514	+== 3.8  Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. ==
227	227
228		-[[image:image-20220602143155-1.png]]
	516	+=== 3.8.1 DRAGINO-LA66-APP ===
229	229
230		-apt install minicom
	518	+[[image:image-20220723102027-3.png]]
231	231
232		-[[image:image-20220602143744-2.png]]
	520	+==== Overview： ====
233	233
234		-=== Send PC's CPU/RAM usage to TTN via script. ===
	522	+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.（DRAGINO-LA66-APP currently only supports Android system）
235	235
236		-==== Take python as an example： ====
	524	+==== Conditions of Use： ====
237	237
238		-===== Preconditions: =====
	526	+Requires a type-c to USB adapter
239	239
240		-1.LA66 USB LoRaWAN Adapter works fine
	528	+[[image:image-20220723104754-4.png]]
241	241
242		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
	530	+==== Use of APP: ====
243	243
244		-===== Steps for usage =====
	532	+LA66 USB LoRaWAN Module not connected
245	245
246		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
247	247
248	248
249		-2.Run the script and see the TTN
	536	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
250	250
251		-[[image:image-20220602115852-3.png]]
252	252
253	253
254	254
255		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	541	+= 4.  Order Info =
256	256
257	257
258		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	544	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	545	+
	546	+
	547	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	548	+
	549	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	550	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	551	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	552	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	553	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	554	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	555	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	556	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	557	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	558	+
	559	+= 5.  Reference =
	560	+
	561	+* 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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