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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	+= 1.  LA66 LoRaWAN Module =
	10	+
	11	+
	12	+== 1.1  What is LA66 LoRaWAN Module ==
	13	+
	14	+
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
	19	+
	20	+(((
	21	+
	22	+)))
	23	+
	24	+(((
9	9	(% 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	+)))
10	10
11		-(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**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 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.
	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	+)))
12	12
	35	+(((
	36	+(((
13	13	Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
14	14
	40	+(((
15	15	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	+)))
16	16
	45	+(((
	46	+(((
17	17	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
18	18
19		-== Features ==
20	20
21	21
22		-== Specification ==
	53	+== 1.2  Features ==
23	23
24		-[[image:image-20220517072526-1.png]]
	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
25	25
26		-Input Power Range: 1.8v ~~ 3.7v
	65	+== 1.3  Specification ==
27	27
28		-Power Consumption: < 4uA.
	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
29	29
30		-Frequency Range: 150 MHz ~~ 960 MHz
	85	+== 1.4  AT Command ==
31	31
32		-Maximum Power +22 dBm constant RF output
33	33
34		-High sensitivity: -148 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.
35	35
36		-Temperature:
37	37
38		-* Storage: -55 ~~ +125℃
39		-* Operating: -40 ~~ +85℃
40	40
41		-Humidity:
	92	+== 1.5  Dimension ==
42	42
43		-* Storage: 5 ~~ 95% (Non-Condensing)
44		-* Operating: 10 ~~ 95% (Non-Condensing)
	94	+[[image:image-20220718094750-3.png]]
45	45
46		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
47	47
48		-LoRa Rx current: <9 mA
49	49
50		-I/O Voltage: 3.3v
	98	+== 1.6  Pin Mapping ==
51	51
	100	+[[image:image-20220720111850-1.png]]
52	52
53		-== AT Command ==
54	54
55		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
56	56
	104	+== 1.7  Land Pattern ==
57	57
58		-== Pin Mapping ==
	106	+[[image:image-20220517072821-2.png]]
59	59
60		-[[image:image-20220523101537-1.png]]
61	61
62		-== Land Pattern ==
63	63
64		-[[image:image-20220517072821-2.png]]
	110	+= 2.  LA66 LoRaWAN Shield =
65	65
66	66
67		-== Part Number ==
	113	+== 2.1  Overview ==
68	68
69		-Part Number: **LA66-XXX**
70	70
71		-**XX**: The default frequency band
	116	+(((
	117	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	118	+)))
72	72
73		-* **AS923**: LoRaWAN AS923 band
74		-* **AU915**: LoRaWAN AU915 band
75		-* **EU433**: LoRaWAN EU433 band
76		-* **EU868**: LoRaWAN EU868 band
77		-* **KR920**: LoRaWAN KR920 band
78		-* **US915**: LoRaWAN US915 band
79		-* **IN865**: LoRaWAN IN865 band
80		-* **CN470**: LoRaWAN CN470 band
	120	+(((
	121	+
	122	+)))
81	81
82		-= LA66 LoRaWAN Shield =
	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	+)))
83	83
84		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	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	+)))
85	85
86		-== Pin Mapping & LED ==
	134	+(((
	135	+(((
	136	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	137	+)))
	138	+)))
87	87
88		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	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	+)))
89	89
90		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	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	+)))
91	91
92		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
93	93
94		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
95	95
96		-=== what needs to be used ===
	154	+== 2.2  Features ==
97	97
98		-1.LA66 LoRaWAN Shield that needs to be upgraded
	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
99	99
100		-2.Arduino
	167	+== 2.3  Specification ==
101	101
102		-3.USB TO TTL
	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
103	103
104		-[[image:image-20220602100052-2.png]]
	187	+== 2.4  LED ==
105	105
106		-=== Wiring Schematic ===
107	107
108		-[[image:image-20220602101311-3.png]]
	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
109	109
110		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
111	111
112		-GND  >>>>>>>>>>>>GND
113	113
114		-TXD  >>>>>>>>>>>>TXD
	196	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
115	115
116		-RXD  >>>>>>>>>>>>RXD
117	117
118		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	199	+**Show connection diagram：**
119	119
120		-Connect to the PC after connecting the wires
121	121
122		-[[image:image-20220602102240-4.png]]
	202	+[[image:image-20220723170210-2.png||height="908" width="681"]]
123	123
124		-=== Upgrade steps ===
125	125
126		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
127	127
128		-[[image:image-20220602102824-5.png]]
	206	+(% style="color:blue" %)**1.  open Arduino IDE**
129	129
130		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
131	131
132		-[[image:image-20220602104701-12.png]]
	209	+[[image:image-20220723170545-4.png]]
133	133
134		-==== Open the upgrade application software ====
135	135
136		-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/]]
137	137
	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	+
138	138	[[image:image-20220602103227-6.png]]
139	139
	344	+
140	140	[[image:image-20220602103357-7.png]]
141	141
142		-===== Select the COM port corresponding to USB TTL =====
143	143
	348	+
	349	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	350	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	351	+
	352	+
144	144	[[image:image-20220602103844-8.png]]
145	145
146		-===== Select the bin file to burn =====
147	147
	356	+
	357	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	358	+(% style="color:blue" %)**3. Select the bin file to burn**
	359	+
	360	+
148	148	[[image:image-20220602104144-9.png]]
149	149
	363	+
150	150	[[image:image-20220602104251-10.png]]
151	151
	366	+
152	152	[[image:image-20220602104402-11.png]]
153	153
154		-===== Click to start the download =====
155	155
	370	+
	371	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	372	+(% style="color:blue" %)**4. Click to start the download**
	373	+
156	156	[[image:image-20220602104923-13.png]]
157	157
158		-===== The following figure appears to prove that the burning is in progress =====
159	159
	377	+
	378	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	379	+(% style="color:blue" %)**5. Check update process**
	380	+
	381	+
160	160	[[image:image-20220602104948-14.png]]
161	161
162		-===== The following picture appears to prove that the burning is successful =====
163	163
	385	+
	386	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	387	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	388	+
164	164	[[image:image-20220602105251-15.png]]
165	165
166		-= LA66 USB LoRaWAN Adapter =
167	167
168		-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.
169	169
170		-Before use, please make sure that the computer has installed the CP2102 driver
	393	+= 3.  LA66 USB LoRaWAN Adapter =
171	171
172		-== Pin Mapping & LED ==
173	173
174		-== Example Send & Get Messages via LoRaWAN in PC ==
	396	+== 3.1  Overview ==
175	175
176		-Connect the LA66 LoRa Shield to the PC
177	177
178		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	399	+[[image:image-20220715001142-3.png||height="145" width="220"]]
179	179
	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	+
180	180	Open the serial port tool
181	181
182	182	[[image:image-20220602161617-8.png]]
183	183
184		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	478	+[[image:image-20220602161718-9.png||height="457" width="800"]]
185	185
186		-Press the reset switch RST on the LA66 LoRa Shield.
187	187
188		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
189	189
190		-[[image:image-20220602161935-10.png]]
	482	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
191	191
192		-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
193	193
	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	+
194	194	example: AT+SENDB=01,02,8,05820802581ea0a5
195	195
196		-[[image:image-20220602162157-11.png]]
	497	+[[image:image-20220602162157-11.png||height="497" width="800"]]
197	197
198		-Check to see if TTN received the message
199	199
200		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
201	201
202		-== Example Send & Get Messages via LoRaWAN in RPi ==
	501	+(% style="color:blue" %)**4. Check to see if TTN received the message**
203	203
204		-Connect the LA66 LoRa Shield to the RPI
	503	+[[image:image-20220602162331-12.png||height="420" width="800"]]
205	205
206		-[[image:image-20220602171233-2.png||height="592" width="881"]]
207	207
208		-Log in to the RPI's terminal and connect to the serial port
209	209
210		-[[image:image-20220602153146-3.png]]
	507	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
211	211
212		-Press the reset switch RST on the LA66 LoRa Shield.
213		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
214	214
215		-[[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]]
216	216
217		-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]])
218	218
	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	+
219	219	example: AT+SENDB=01,02,8,05820802581ea0a5
220	220
221		-[[image:image-20220602160339-6.png]]
222	222
	575	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	576	+
	577	+
	578	+
223	223	Check to see if TTN received the message
224	224
225		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	581	+[[image:image-20220602160627-7.png||height="369" width="800"]]
226	226
227		-=== Install Minicom ===
228	228
229		-Enter the following command in the RPI terminal
230	230
231		-apt update
	585	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
232	232
233		-[[image:image-20220602143155-1.png]]
234	234
235		-apt install minicom
	588	+=== 3.8.1 DRAGINO-LA66-APP ===
236	236
237		-[[image:image-20220602143744-2.png]]
238	238
239		-=== Send PC's CPU/RAM usage to TTN via script. ===
	591	+[[image:image-20220723102027-3.png]]
240	240
241		-==== Take python as an example： ====
242	242
243		-===== Preconditions: =====
244	244
245		-1.LA66 USB LoRaWAN Adapter works fine
	595	+==== (% style="color:blue" %)**Overview：**(%%) ====
246	246
247		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
248	248
249		-===== Steps for usage =====
	598	+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.
250	250
251		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	600	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
252	252
253		-2.Run the script and see the TTN
254	254
255		-[[image:image-20220602115852-3.png]]
256	256
	604	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
257	257
258	258
259		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	607	+Requires a type-c to USB adapter
260	260
	609	+[[image:image-20220723104754-4.png]]
261	261
262		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
263	263
264		-
	612	+
	613	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	614	+
	615	+
	616	+Function and page introduction
	617	+
	618	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	619	+
	620	+1.Display LA66 USB LoRaWAN Module connection status
	621	+
	622	+2.Check and reconnect
	623	+
	624	+3.Turn send timestamps on or off
	625	+
	626	+4.Display LoRaWan connection status
	627	+
	628	+5.Check LoRaWan connection status
	629	+
	630	+6.The RSSI value of the node when the ACK is received
	631	+
	632	+7.Node's Signal Strength Icon
	633	+
	634	+8.Set the packet sending interval of the node in seconds
	635	+
	636	+9.AT command input box
	637	+
	638	+10.Send AT command button
	639	+
	640	+11.Node log box
	641	+
	642	+12.clear log button
	643	+
	644	+13.exit button
	645	+
	646	+
	647	+LA66 USB LoRaWAN Module not connected
	648	+
	649	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	650	+
	651	+
	652	+
	653	+Connect LA66 USB LoRaWAN Module
	654	+
	655	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	656	+
	657	+
	658	+
	659	+=== 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 ===
	660	+
	661	+
	662	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	663	+
	664	+[[image:image-20220723134549-8.png]]
	665	+
	666	+
	667	+
	668	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	669	+
	670	+Sample JSON file please go to this link to download：放置JSON文件的链接
	671	+
	672	+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/]]
	673	+
	674	+The following is the positioning effect map
	675	+
	676	+[[image:image-20220723144339-1.png]]
	677	+
	678	+
	679	+
	680	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	681	+
	682	+
	683	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	684	+
	685	+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)
	686	+
	687	+[[image:image-20220723150132-2.png]]
	688	+
	689	+
	690	+
	691	+= 4.  Order Info =
	692	+
	693	+
	694	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	695	+
	696	+
	697	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	698	+
	699	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	700	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	701	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	702	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	703	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	704	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	705	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	706	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	707	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	708	+
	709	+
	710	+
	711	+= 5.  Reference =
	712	+
	713	+
	714	+* 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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