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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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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 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.
	9	+= 1.  LA66 LoRaWAN Module =
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
	12	+== 1.1  What is LA66 LoRaWAN Module ==
13	13
14		-LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15	15
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
16	16
17		-**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
	20	+(((
	21	+
	22	+)))
18	18
	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	+)))
19	19
	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	+)))
20	20
21		-== Specification ==
	35	+(((
	36	+(((
	37	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
22	22
23		-[[image:image-20220517072526-1.png]]
	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	+)))
24	24
25		-Input Power Range: 1.8v ~~ 3.7v
	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	+)))
26	26
27		-Power Consumption: < 4uA.
28	28
29		-Frequency Range: 150 MHz ~~ 960 MHz
30	30
31		-Maximum Power +22 dBm constant RF output
	53	+== 1.2  Features ==
32	32
33		-High sensitivity: -148 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
34	34
35		-Temperature:
	65	+== 1.3  Specification ==
36	36
37		-* Storage: -55 ~~ +125℃
38		-* Operating: -40 ~~ +85℃
	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
39	39
40		-Humidity:
	85	+== 1.4  AT Command ==
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
	88	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
46	46
47		-LoRa Rx current: <9 mA
48	48
49		-I/O Voltage: 3.3v
50	50
	92	+== 1.5  Dimension ==
51	51
52		-== AT Command ==
	94	+[[image:image-20220718094750-3.png]]
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
56	56
57		-== Pin Mapping ==
	98	+== 1.6  Pin Mapping ==
58	58
59		-[[image:image-20220523101537-1.png]]
	100	+[[image:image-20220720111850-1.png]]
60	60
61		-== Land Pattern ==
62	62
	103	+
	104	+== 1.7  Land Pattern ==
	105	+
63	63	[[image:image-20220517072821-2.png]]
64	64
65	65
66		-== Part Number ==
67	67
68		-Part Number: **LA66-XXX**
	110	+= 2.  LA66 LoRaWAN Shield =
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
	113	+== 2.1  Overview ==
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.
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
84	84
85		-== Pin Mapping & LED ==
	120	+(((
	121	+
	122	+)))
86	86
87		-== 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	+)))
88	88
89		-== 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	+)))
90	90
91		-== 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	+)))
92	92
93		-== 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	+)))
94	94
95		-=== 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	+)))
96	96
97		-1.LA66 LoRaWAN Shield that needs to be upgraded
98	98
99		-2.Arduino
100	100
101		-3.USB TO TTL
	154	+== 2.2  Features ==
102	102
103		-[[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
104	104
105		-=== Wiring Schematic ===
	167	+== 2.3  Specification ==
106	106
107		-[[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
108	108
109		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
	187	+== 2.4  LED ==
110	110
111		-GND  >>>>>>>>>>>>GND
112	112
113		-TXD  >>>>>>>>>>>>TXD
	190	+~1. The LED lights up red when there is an upstream data packet
	191	+2. When the network is successfully connected, the green light will be on for 5 seconds
	192	+3. Purple light on when receiving downlink data packets
114	114
115		-RXD  >>>>>>>>>>>>RXD
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
	196	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
120	120
121		-[[image:image-20220602102240-4.png]]
122	122
123		-=== Upgrade steps ===
	199	+**Show connection diagram：**
124	124
125		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
126	126
127		-[[image:image-20220602102824-5.png]]
	202	+[[image:image-20220723170210-2.png||height="908" width="681"]]
128	128
129		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
130	130
131		-[[image:image-20220602104701-12.png]]
132	132
133		-==== Open the upgrade application software ====
	206	+(% style="color:blue" %)**1.  open Arduino IDE**
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
	209	+[[image:image-20220723170545-4.png]]
	210	+
	211	+
	212	+
	213	+(% style="color:blue" %)**2.  Open project**
	214	+
	215	+
	216	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0>>https://www.dropbox.com/sh/cx0pspkwu62pr97/AAAbKh2ioPdZfSDtdDpooYqha?dl=0]]
	217	+
	218	+
	219	+
	220	+(% style="color:blue" %)**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**
	221	+
	222	+
	223	+
	224	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	225	+
	226	+
	227	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	228	+
	229	+
	230	+
	231	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	232	+
	233	+
	234	+(% style="color:blue" %)**1.  Open project**
	235	+
	236	+
	237	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0>>https://www.dropbox.com/sh/0sjyncafa0gjv00/AACC2m1orov-QHRkvH8-ddCka?dl=0]]
	238	+
	239	+
	240	+[[image:image-20220723172502-8.png]]
	241	+
	242	+
	243	+
	244	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	245	+
	246	+
	247	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
	248	+
	249	+
	250	+
	251	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	252	+
	253	+
	254	+(% style="color:blue" %)**1.  Open project**
	255	+
	256	+
	257	+Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0>>https://www.dropbox.com/sh/0aagmrpec1lxmva/AABMXWVMSHG9dK1_Zv_7xOmCa?dl=0]]
	258	+
	259	+
	260	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	261	+
	262	+
	263	+
	264	+(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	265	+
	266	+
	267	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	268	+
	269	+
	270	+
	271	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	272	+
	273	+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/]]
	274	+
	275	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	276	+
	277	+
	278	+
	279	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	280	+
	281	+
	282	+=== 2.8.1  Items needed for update ===
	283	+
	284	+
	285	+1. LA66 LoRaWAN Shield
	286	+1. Arduino
	287	+1. USB TO TTL Adapter
	288	+
	289	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	290	+
	291	+
	292	+=== 2.8.2  Connection ===
	293	+
	294	+
	295	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	296	+
	297	+
	298	+(((
	299	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	300	+)))
	301	+
	302	+(((
	303	+(% style="background-color:yellow" %)**GND  <-> GND
	304	+TXD  <->  TXD
	305	+RXD  <->  RXD**
	306	+)))
	307	+
	308	+
	309	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	310	+
	311	+Connect USB TTL Adapter to PC after connecting the wires
	312	+
	313	+
	314	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	315	+
	316	+
	317	+=== 2.8.3  Upgrade steps ===
	318	+
	319	+
	320	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	321	+
	322	+
	323	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	324	+
	325	+
	326	+
	327	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	328	+
	329	+
	330	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	331	+
	332	+
	333	+
	334	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	335	+
	336	+
	337	+(((
	338	+(% 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/]]**
	339	+)))
	340	+
	341	+
137	137	[[image:image-20220602103227-6.png]]
138	138
	344	+
139	139	[[image:image-20220602103357-7.png]]
140	140
141		-===== Select the COM port corresponding to USB TTL =====
142	142
	348	+
	349	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	350	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	351	+
	352	+
143	143	[[image:image-20220602103844-8.png]]
144	144
145		-===== Select the bin file to burn =====
146	146
	356	+
	357	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	358	+(% style="color:blue" %)**3. Select the bin file to burn**
	359	+
	360	+
147	147	[[image:image-20220602104144-9.png]]
148	148
	363	+
149	149	[[image:image-20220602104251-10.png]]
150	150
	366	+
151	151	[[image:image-20220602104402-11.png]]
152	152
153		-===== Click to start the download =====
154	154
	370	+
	371	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	372	+(% style="color:blue" %)**4. Click to start the download**
	373	+
155	155	[[image:image-20220602104923-13.png]]
156	156
157		-===== The following figure appears to prove that the burning is in progress =====
158	158
	377	+
	378	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	379	+(% style="color:blue" %)**5. Check update process**
	380	+
	381	+
159	159	[[image:image-20220602104948-14.png]]
160	160
161		-===== The following picture appears to prove that the burning is successful =====
162	162
	385	+
	386	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	387	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	388	+
163	163	[[image:image-20220602105251-15.png]]
164	164
165		-= LA66 USB LoRaWAN Adapter =
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	168
169		-Before use, please make sure that the computer has installed the CP2102 driver
	393	+= 3.  LA66 USB LoRaWAN Adapter =
170	170
171		-== Pin Mapping & LED ==
172	172
173		-== Example Send & Get Messages via LoRaWAN in PC ==
	396	+== 3.1  Overview ==
174	174
175		-Connect the LA66 LoRa Shield to the PC
176	176
177		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	399	+[[image:image-20220715001142-3.png||height="145" width="220"]]
178	178
	401	+
	402	+(((
	403	+(% 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.
	404	+)))
	405	+
	406	+(((
	407	+(% 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.
	408	+)))
	409	+
	410	+(((
	411	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	412	+)))
	413	+
	414	+(((
	415	+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.
	416	+)))
	417	+
	418	+(((
	419	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	420	+)))
	421	+
	422	+
	423	+
	424	+== 3.2  Features ==
	425	+
	426	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	427	+* Ultra-long RF range
	428	+* Support LoRaWAN v1.0.4 protocol
	429	+* Support peer-to-peer protocol
	430	+* TCXO crystal to ensure RF performance on low temperature
	431	+* Spring RF antenna
	432	+* Available in different frequency LoRaWAN frequency bands.
	433	+* World-wide unique OTAA keys.
	434	+* AT Command via UART-TTL interface
	435	+* Firmware upgradable via UART interface
	436	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	437	+
	438	+== 3.3  Specification ==
	439	+
	440	+* CPU: 32-bit 48 MHz
	441	+* Flash: 256KB
	442	+* RAM: 64KB
	443	+* Input Power Range: 5v
	444	+* Frequency Range: 150 MHz ~~ 960 MHz
	445	+* Maximum Power +22 dBm constant RF output
	446	+* High sensitivity: -148 dBm
	447	+* Temperature:
	448	+** Storage: -55 ~~ +125℃
	449	+** Operating: -40 ~~ +85℃
	450	+* Humidity:
	451	+** Storage: 5 ~~ 95% (Non-Condensing)
	452	+** Operating: 10 ~~ 95% (Non-Condensing)
	453	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	454	+* LoRa Rx current: <9 mA
	455	+
	456	+== 3.4  Pin Mapping & LED ==
	457	+
	458	+
	459	+
	460	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	461	+
	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	+
	468	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	469	+
	470	+
	471	+[[image:image-20220723100027-1.png]]
	472	+
	473	+
179	179	Open the serial port tool
180	180
181	181	[[image:image-20220602161617-8.png]]
182	182
183		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	478	+[[image:image-20220602161718-9.png||height="457" width="800"]]
184	184
185		-Press the reset switch RST on the LA66 LoRa Shield.
186	186
187		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188	188
189		-[[image:image-20220602161935-10.png]]
	482	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
190	190
191		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	484	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
192	192
	486	+
	487	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	488	+
	489	+
	490	+
	491	+(% style="color:blue" %)**3. See Uplink Command**
	492	+
	493	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	494	+
193	193	example: AT+SENDB=01,02,8,05820802581ea0a5
194	194
195		-[[image:image-20220602162157-11.png]]
	497	+[[image:image-20220602162157-11.png||height="497" width="800"]]
196	196
197		-Check to see if TTN received the message
198	198
199		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
200	200
201		-== Example Send & Get Messages via LoRaWAN in RPi ==
	501	+(% style="color:blue" %)**4. Check to see if TTN received the message**
202	202
203		-Connect the LA66 LoRa Shield to the RPI
	503	+[[image:image-20220602162331-12.png||height="420" width="800"]]
204	204
205		-[[image:image-20220602171233-2.png||height="592" width="881"]]
206	206
207		-Log in to the RPI's terminal and connect to the serial port
208	208
209		-[[image:image-20220602153146-3.png]]
	507	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
210	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	213
214		-[[image:image-20220602154928-5.png]]
	510	+**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]]
215	215
216		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	512	+(**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]])
217	217
	514	+(% style="color:red" %)**Preconditions:**
	515	+
	516	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	517	+
	518	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	519	+
	520	+
	521	+
	522	+(% style="color:blue" %)**Steps for usage:**
	523	+
	524	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	525	+
	526	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	527	+
	528	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	529	+
	530	+
	531	+
	532	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	533	+
	534	+
	535	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	536	+
	537	+
	538	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	539	+
	540	+[[image:image-20220723100439-2.png]]
	541	+
	542	+
	543	+
	544	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	545	+
	546	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	547	+
	548	+ (% style="background-color:yellow" %)**apt update**
	549	+
	550	+ (% style="background-color:yellow" %)**apt install minicom**
	551	+
	552	+
	553	+Use minicom to connect to the RPI's terminal
	554	+
	555	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	556	+
	557	+
	558	+
	559	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	560	+
	561	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	562	+
	563	+
	564	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	565	+
	566	+
	567	+
	568	+(% style="color:blue" %)**4. Send Uplink message**
	569	+
	570	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	571	+
218	218	example: AT+SENDB=01,02,8,05820802581ea0a5
219	219
220		-[[image:image-20220602160339-6.png]]
221	221
	575	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	576	+
	577	+
	578	+
222	222	Check to see if TTN received the message
223	223
224		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	581	+[[image:image-20220602160627-7.png||height="369" width="800"]]
225	225
226		-=== Install Minicom ===
227	227
228		-Enter the following command in the RPI terminal
229	229
230		-apt update
	585	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
231	231
232		-[[image:image-20220602143155-1.png]]
233	233
234		-apt install minicom
	588	+=== 3.8.1 DRAGINO-LA66-APP ===
235	235
236		-[[image:image-20220602143744-2.png]]
237	237
238		-=== Send PC's CPU/RAM usage to TTN via script. ===
	591	+[[image:image-20220723102027-3.png]]
239	239
240		-==== Take python as an example： ====
241	241
242		-===== Preconditions: =====
243	243
244		-1.LA66 USB LoRaWAN Adapter works fine
	595	+==== (% style="color:blue" %)**Overview：**(%%) ====
245	245
246		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
247	247
248		-===== Steps for usage =====
	598	+(((
	599	+DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Adapter and APP sample process. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Adapter.
	600	+)))
249	249
250		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	602	+(((
	603	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	604	+)))
251	251
252		-2.Run the script and see the TTN
253	253
254		-[[image:image-20220602115852-3.png]]
255	255
	608	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
256	256
257	257
258		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	611	+Requires a type-c to USB adapter
259	259
	613	+[[image:image-20220723104754-4.png]]
260	260
261		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
262	262
263		-
	616	+
	617	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	618	+
	619	+
	620	+Function and page introduction
	621	+
	622	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	623	+
	624	+
	625	+1.Display LA66 USB LoRaWAN Module connection status
	626	+
	627	+2.Check and reconnect
	628	+
	629	+3.Turn send timestamps on or off
	630	+
	631	+4.Display LoRaWan connection status
	632	+
	633	+5.Check LoRaWan connection status
	634	+
	635	+6.The RSSI value of the node when the ACK is received
	636	+
	637	+7.Node's Signal Strength Icon
	638	+
	639	+8.Set the packet sending interval of the node in seconds
	640	+
	641	+9.AT command input box
	642	+
	643	+10.Send AT command button
	644	+
	645	+11.Node log box
	646	+
	647	+12.clear log button
	648	+
	649	+13.exit button
	650	+
	651	+
	652	+LA66 USB LoRaWAN Module not connected
	653	+
	654	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	655	+
	656	+
	657	+
	658	+Connect LA66 USB LoRaWAN Module
	659	+
	660	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	661	+
	662	+
	663	+
	664	+=== 3.8.2  Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Adapter and integrate it into Node-RED ===
	665	+
	666	+
	667	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	668	+
	669	+[[image:image-20220723134549-8.png]]
	670	+
	671	+
	672	+
	673	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	674	+
	675	+Sample JSON file please go to this link to download：放置JSON文件的链接
	676	+
	677	+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/]]
	678	+
	679	+The following is the positioning effect map
	680	+
	681	+[[image:image-20220723144339-1.png]]
	682	+
	683	+
	684	+
	685	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	686	+
	687	+
	688	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	689	+
	690	+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)
	691	+
	692	+[[image:image-20220723150132-2.png]]
	693	+
	694	+
	695	+
	696	+= 4.  Order Info =
	697	+
	698	+
	699	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	700	+
	701	+
	702	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	703	+
	704	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	705	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	706	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	707	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	708	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	709	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	710	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	711	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	712	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	713	+
	714	+
	715	+
	716	+= 5.  Reference =
	717	+
	718	+
	719	+* 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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