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Details

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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	19
20		-== Features ==
21	21
	53	+== 1.2  Features ==
	54	+
22	22	* Support LoRaWAN v1.0.4 protocol
23	23	* Support peer-to-peer protocol
24	24	* TCXO crystal to ensure RF performance on low temperature
...	...	@@ -31,8 +31,9 @@
31	31
32	32
33	33
34		-== Specification ==
35	35
	68	+== 1.3  Specification ==
	69	+
36	36	* CPU: 32-bit 48 MHz
37	37	* Flash: 256KB
38	38	* RAM: 64KB
...	...	@@ -51,221 +51,651 @@
51	51	* LoRa Rx current: <9 mA
52	52	* I/O Voltage: 3.3v
53	53
54		-== AT Command ==
55	55
	89	+
	90	+
	91	+== 1.4  AT Command ==
	92	+
	93	+
56	56	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
57	57
58	58
59		-== Dimension ==
60	60
61		-[[image:image-20220517072526-1.png]]
	98	+== 1.5  Dimension ==
62	62
	100	+[[image:image-20220718094750-3.png]]
63	63
64		-== Pin Mapping ==
65	65
66		-[[image:image-20220523101537-1.png]]
67	67
68		-== Land Pattern ==
	104	+== 1.6  Pin Mapping ==
69	69
	106	+[[image:image-20220720111850-1.png]]
	107	+
	108	+
	109	+
	110	+== 1.7  Land Pattern ==
	111	+
70	70	[[image:image-20220517072821-2.png]]
71	71
72	72
73		-== Part Number ==
74	74
75		-Part Number: **LA66-XXX**
	116	+= 2.  LA66 LoRaWAN Shield =
76	76
77		-**XX**: The default frequency band
78	78
79		-* **AS923**: LoRaWAN AS923 band
80		-* **AU915**: LoRaWAN AU915 band
81		-* **EU433**: LoRaWAN EU433 band
82		-* **EU868**: LoRaWAN EU868 band
83		-* **KR920**: LoRaWAN KR920 band
84		-* **US915**: LoRaWAN US915 band
85		-* **IN865**: LoRaWAN IN865 band
86		-* **CN470**: LoRaWAN CN470 band
87		-* **PP**: Peer to Peer LoRa Protocol
	119	+== 2.1  Overview ==
88	88
89		-= LA66 LoRaWAN Shield =
90	90
91		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	122	+(((
	123	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	124	+)))
92	92
93		-== Pin Mapping & LED ==
	126	+(((
	127	+
	128	+)))
94	94
95		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	130	+(((
	131	+(% 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.
	132	+)))
96	96
97		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	134	+(((
	135	+(((
	136	+(% 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.
	137	+)))
	138	+)))
98	98
99		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	140	+(((
	141	+(((
	142	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	143	+)))
	144	+)))
100	100
101		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	146	+(((
	147	+(((
	148	+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.
	149	+)))
	150	+)))
102	102
103		-=== what needs to be used ===
	152	+(((
	153	+(((
	154	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	155	+)))
	156	+)))
104	104
105		-1.LA66 LoRaWAN Shield that needs to be upgraded
106	106
107		-2.Arduino
108	108
109		-3.USB TO TTL
	160	+== 2.2  Features ==
110	110
111		-[[image:image-20220602100052-2.png]]
	162	+* Arduino Shield base on LA66 LoRaWAN module
	163	+* Support LoRaWAN v1.0.4 protocol
	164	+* Support peer-to-peer protocol
	165	+* TCXO crystal to ensure RF performance on low temperature
	166	+* SMA connector
	167	+* Available in different frequency LoRaWAN frequency bands.
	168	+* World-wide unique OTAA keys.
	169	+* AT Command via UART-TTL interface
	170	+* Firmware upgradable via UART interface
	171	+* Ultra-long RF range
112	112
113		-=== Wiring Schematic ===
114	114
115		-[[image:image-20220602101311-3.png]]
116	116
117		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
118	118
119		-GND  >>>>>>>>>>>>GND
	176	+== 2.3  Specification ==
120	120
121		-TXD  >>>>>>>>>>>>TXD
	178	+* CPU: 32-bit 48 MHz
	179	+* Flash: 256KB
	180	+* RAM: 64KB
	181	+* Input Power Range: 1.8v ~~ 3.7v
	182	+* Power Consumption: < 4uA.
	183	+* Frequency Range: 150 MHz ~~ 960 MHz
	184	+* Maximum Power +22 dBm constant RF output
	185	+* High sensitivity: -148 dBm
	186	+* Temperature:
	187	+** Storage: -55 ~~ +125℃
	188	+** Operating: -40 ~~ +85℃
	189	+* Humidity:
	190	+** Storage: 5 ~~ 95% (Non-Condensing)
	191	+** Operating: 10 ~~ 95% (Non-Condensing)
	192	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	193	+* LoRa Rx current: <9 mA
	194	+* I/O Voltage: 3.3v
122	122
123		-RXD  >>>>>>>>>>>>RXD
124	124
125		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
126	126
127		-Connect to the PC after connecting the wires
128	128
129		-[[image:image-20220602102240-4.png]]
	199	+== 2.4  LED ==
130	130
131		-=== Upgrade steps ===
132	132
133		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	202	+~1. The LED lights up red when there is an upstream data packet
	203	+2. When the network is successfully connected, the green light will be on for 5 seconds
	204	+3. Purple light on when receiving downlink data packets
134	134
135		-[[image:image-20220602102824-5.png]]
136	136
137		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
138	138
139		-[[image:image-20220602104701-12.png]]
	208	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
140	140
141		-==== Open the upgrade application software ====
142	142
143		-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/]]
	211	+**Show connection diagram：**
144	144
	213	+
	214	+[[image:image-20220723170210-2.png||height="908" width="681"]]
	215	+
	216	+
	217	+
	218	+(% style="color:blue" %)**1.  open Arduino IDE**
	219	+
	220	+
	221	+[[image:image-20220723170545-4.png]]
	222	+
	223	+
	224	+
	225	+(% style="color:blue" %)**2.  Open project**
	226	+
	227	+
	228	+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]]
	229	+
	230	+
	231	+
	232	+(% 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**
	233	+
	234	+
	235	+
	236	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	237	+
	238	+
	239	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	240	+
	241	+
	242	+
	243	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	244	+
	245	+
	246	+(% style="color:blue" %)**1.  Open project**
	247	+
	248	+
	249	+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]]
	250	+
	251	+
	252	+[[image:image-20220723172502-8.png]]
	253	+
	254	+
	255	+
	256	+(% 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**
	257	+
	258	+
	259	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
	260	+
	261	+
	262	+
	263	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	264	+
	265	+
	266	+(% style="color:blue" %)**1.  Open project**
	267	+
	268	+
	269	+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]]
	270	+
	271	+
	272	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	273	+
	274	+
	275	+
	276	+(% 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**
	277	+
	278	+
	279	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	280	+
	281	+
	282	+
	283	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	284	+
	285	+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/]]
	286	+
	287	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	288	+
	289	+
	290	+
	291	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	292	+
	293	+
	294	+=== 2.8.1  Items needed for update ===
	295	+
	296	+
	297	+1. LA66 LoRaWAN Shield
	298	+1. Arduino
	299	+1. USB TO TTL Adapter
	300	+
	301	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	302	+
	303	+
	304	+=== 2.8.2  Connection ===
	305	+
	306	+
	307	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	308	+
	309	+
	310	+(((
	311	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	312	+)))
	313	+
	314	+(((
	315	+(% style="background-color:yellow" %)**GND  <-> GND
	316	+TXD  <->  TXD
	317	+RXD  <->  RXD**
	318	+)))
	319	+
	320	+
	321	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	322	+
	323	+Connect USB TTL Adapter to PC after connecting the wires
	324	+
	325	+
	326	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	327	+
	328	+
	329	+=== 2.8.3  Upgrade steps ===
	330	+
	331	+
	332	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	333	+
	334	+
	335	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	336	+
	337	+
	338	+
	339	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	340	+
	341	+
	342	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	343	+
	344	+
	345	+
	346	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	347	+
	348	+
	349	+(((
	350	+(% 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/]]**
	351	+)))
	352	+
	353	+
145	145	[[image:image-20220602103227-6.png]]
146	146
	356	+
147	147	[[image:image-20220602103357-7.png]]
148	148
149		-===== Select the COM port corresponding to USB TTL =====
150	150
	360	+
	361	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	362	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	363	+
	364	+
151	151	[[image:image-20220602103844-8.png]]
152	152
153		-===== Select the bin file to burn =====
154	154
	368	+
	369	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	370	+(% style="color:blue" %)**3. Select the bin file to burn**
	371	+
	372	+
155	155	[[image:image-20220602104144-9.png]]
156	156
	375	+
157	157	[[image:image-20220602104251-10.png]]
158	158
	378	+
159	159	[[image:image-20220602104402-11.png]]
160	160
161		-===== Click to start the download =====
162	162
	382	+
	383	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	384	+(% style="color:blue" %)**4. Click to start the download**
	385	+
163	163	[[image:image-20220602104923-13.png]]
164	164
165		-===== The following figure appears to prove that the burning is in progress =====
166	166
	389	+
	390	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	391	+(% style="color:blue" %)**5. Check update process**
	392	+
	393	+
167	167	[[image:image-20220602104948-14.png]]
168	168
169		-===== The following picture appears to prove that the burning is successful =====
170	170
	397	+
	398	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	399	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	400	+
171	171	[[image:image-20220602105251-15.png]]
172	172
173		-= LA66 USB LoRaWAN Adapter =
174	174
175		-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.
176	176
177		-Before use, please make sure that the computer has installed the CP2102 driver
	405	+= 3.  LA66 USB LoRaWAN Adapter =
178	178
179		-== Pin Mapping & LED ==
180	180
181		-== Example Send & Get Messages via LoRaWAN in PC ==
	408	+== 3.1  Overview ==
182	182
183		-Connect the LA66 LoRa Shield to the PC
184	184
185		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	411	+[[image:image-20220715001142-3.png||height="145" width="220"]]
186	186
	413	+
	414	+(((
	415	+(% 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.
	416	+)))
	417	+
	418	+(((
	419	+(% 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.
	420	+)))
	421	+
	422	+(((
	423	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	424	+)))
	425	+
	426	+(((
	427	+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.
	428	+)))
	429	+
	430	+(((
	431	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	432	+)))
	433	+
	434	+
	435	+
	436	+== 3.2  Features ==
	437	+
	438	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	439	+* Ultra-long RF range
	440	+* Support LoRaWAN v1.0.4 protocol
	441	+* Support peer-to-peer protocol
	442	+* TCXO crystal to ensure RF performance on low temperature
	443	+* Spring RF antenna
	444	+* Available in different frequency LoRaWAN frequency bands.
	445	+* World-wide unique OTAA keys.
	446	+* AT Command via UART-TTL interface
	447	+* Firmware upgradable via UART interface
	448	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	449	+
	450	+
	451	+== 3.3  Specification ==
	452	+
	453	+* CPU: 32-bit 48 MHz
	454	+* Flash: 256KB
	455	+* RAM: 64KB
	456	+* Input Power Range: 5v
	457	+* Frequency Range: 150 MHz ~~ 960 MHz
	458	+* Maximum Power +22 dBm constant RF output
	459	+* High sensitivity: -148 dBm
	460	+* Temperature:
	461	+** Storage: -55 ~~ +125℃
	462	+** Operating: -40 ~~ +85℃
	463	+* Humidity:
	464	+** Storage: 5 ~~ 95% (Non-Condensing)
	465	+** Operating: 10 ~~ 95% (Non-Condensing)
	466	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	467	+* LoRa Rx current: <9 mA
	468	+
	469	+
	470	+== 3.4  Pin Mapping & LED ==
	471	+
	472	+
	473	+
	474	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	475	+
	476	+
	477	+(((
	478	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	479	+)))
	480	+
	481	+
	482	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	483	+
	484	+
	485	+[[image:image-20220723100027-1.png]]
	486	+
	487	+
187	187	Open the serial port tool
188	188
189	189	[[image:image-20220602161617-8.png]]
190	190
191		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	492	+[[image:image-20220602161718-9.png||height="457" width="800"]]
192	192
193		-Press the reset switch RST on the LA66 LoRa Shield.
194	194
195		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
196	196
197		-[[image:image-20220602161935-10.png]]
	496	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
198	198
199		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	498	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
200	200
	500	+
	501	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	502	+
	503	+
	504	+
	505	+(% style="color:blue" %)**3. See Uplink Command**
	506	+
	507	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	508	+
201	201	example: AT+SENDB=01,02,8,05820802581ea0a5
202	202
203		-[[image:image-20220602162157-11.png]]
	511	+[[image:image-20220602162157-11.png||height="497" width="800"]]
204	204
205		-Check to see if TTN received the message
206	206
207		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
208	208
209		-== Example Send & Get Messages via LoRaWAN in RPi ==
	515	+(% style="color:blue" %)**4. Check to see if TTN received the message**
210	210
211		-Connect the LA66 LoRa Shield to the RPI
	517	+[[image:image-20220602162331-12.png||height="420" width="800"]]
212	212
213		-[[image:image-20220602171233-2.png||height="592" width="881"]]
214	214
215		-Log in to the RPI's terminal and connect to the serial port
216	216
217		-[[image:image-20220602153146-3.png]]
	521	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
218	218
219		-Press the reset switch RST on the LA66 LoRa Shield.
220		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
221	221
222		-[[image:image-20220602154928-5.png]]
	524	+**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]]
223	223
224		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	526	+(**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]])
225	225
	528	+(% style="color:red" %)**Preconditions:**
	529	+
	530	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	531	+
	532	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	533	+
	534	+
	535	+
	536	+(% style="color:blue" %)**Steps for usage:**
	537	+
	538	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	539	+
	540	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	541	+
	542	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	543	+
	544	+
	545	+
	546	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	547	+
	548	+
	549	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	550	+
	551	+
	552	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	553	+
	554	+[[image:image-20220723100439-2.png]]
	555	+
	556	+
	557	+
	558	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	559	+
	560	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	561	+
	562	+ (% style="background-color:yellow" %)**apt update**
	563	+
	564	+ (% style="background-color:yellow" %)**apt install minicom**
	565	+
	566	+
	567	+Use minicom to connect to the RPI's terminal
	568	+
	569	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	570	+
	571	+
	572	+
	573	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	574	+
	575	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	576	+
	577	+
	578	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	579	+
	580	+
	581	+
	582	+(% style="color:blue" %)**4. Send Uplink message**
	583	+
	584	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	585	+
226	226	example: AT+SENDB=01,02,8,05820802581ea0a5
227	227
228		-[[image:image-20220602160339-6.png]]
229	229
	589	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	590	+
	591	+
	592	+
230	230	Check to see if TTN received the message
231	231
232		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	595	+[[image:image-20220602160627-7.png||height="369" width="800"]]
233	233
234		-=== Install Minicom ===
235	235
236		-Enter the following command in the RPI terminal
237	237
238		-apt update
	599	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
239	239
240		-[[image:image-20220602143155-1.png]]
241	241
242		-apt install minicom
	602	+=== 3.8.1  DRAGINO-LA66-APP ===
243	243
244		-[[image:image-20220602143744-2.png]]
245	245
246		-=== Send PC's CPU/RAM usage to TTN via script. ===
	605	+[[image:image-20220723102027-3.png]]
247	247
248		-==== Take python as an example： ====
249	249
250		-===== Preconditions: =====
251	251
252		-1.LA66 USB LoRaWAN Adapter works fine
	609	+==== (% style="color:blue" %)**Overview：**(%%) ====
253	253
254		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
255	255
256		-===== Steps for usage =====
	612	+(((
	613	+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.
	614	+)))
257	257
258		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	616	+(((
	617	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	618	+)))
259	259
260		-2.Run the script and see the TTN
261	261
262		-[[image:image-20220602115852-3.png]]
263	263
	622	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
264	264
265	265
266		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	625	+Requires a type-c to USB adapter
267	267
	627	+[[image:image-20220723104754-4.png]]
268	268
269		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
270	270
271		-
	630	+
	631	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	632	+
	633	+
	634	+Function and page introduction
	635	+
	636	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	637	+
	638	+
	639	+1.Display LA66 USB LoRaWAN Module connection status
	640	+
	641	+2.Check and reconnect
	642	+
	643	+3.Turn send timestamps on or off
	644	+
	645	+4.Display LoRaWan connection status
	646	+
	647	+5.Check LoRaWan connection status
	648	+
	649	+6.The RSSI value of the node when the ACK is received
	650	+
	651	+7.Node's Signal Strength Icon
	652	+
	653	+8.Set the packet sending interval of the node in seconds
	654	+
	655	+9.AT command input box
	656	+
	657	+10.Send AT command button
	658	+
	659	+11.Node log box
	660	+
	661	+12.clear log button
	662	+
	663	+13.exit button
	664	+
	665	+
	666	+LA66 USB LoRaWAN Module not connected
	667	+
	668	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	669	+
	670	+
	671	+
	672	+Connect LA66 USB LoRaWAN Module
	673	+
	674	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	675	+
	676	+
	677	+
	678	+=== 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 ===
	679	+
	680	+
	681	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	682	+
	683	+[[image:image-20220723134549-8.png]]
	684	+
	685	+
	686	+
	687	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	688	+
	689	+Sample JSON file please go to this link to download：放置JSON文件的链接
	690	+
	691	+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/]]
	692	+
	693	+The following is the positioning effect map
	694	+
	695	+[[image:image-20220723144339-1.png]]
	696	+
	697	+
	698	+
	699	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	700	+
	701	+
	702	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	703	+
	704	+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)
	705	+
	706	+[[image:image-20220723150132-2.png]]
	707	+
	708	+
	709	+
	710	+= 4.  Order Info =
	711	+
	712	+
	713	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	714	+
	715	+
	716	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	717	+
	718	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	719	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	720	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	721	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	722	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	723	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	724	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	725	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	726	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	727	+
	728	+
	729	+
	730	+
	731	+
	732	+= 5.  Reference =
	733	+
	734	+
	735	+* 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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