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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
...	...	@@ -30,8 +30,10 @@
30	30	* Ultra-long RF range
31	31
32	32
33		-== Specification ==
34	34
	67	+
	68	+== 1.3  Specification ==
	69	+
35	35	* CPU: 32-bit 48 MHz
36	36	* Flash: 256KB
37	37	* RAM: 64KB
...	...	@@ -50,221 +50,649 @@
50	50	* LoRa Rx current: <9 mA
51	51	* I/O Voltage: 3.3v
52	52
53		-== AT Command ==
54	54
	89	+
	90	+
	91	+== 1.4  AT Command ==
	92	+
	93	+
55	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
57	57
58		-== Dimension ==
59	59
60		-[[image:image-20220517072526-1.png]]
	98	+== 1.5  Dimension ==
61	61
	100	+[[image:image-20220718094750-3.png]]
62	62
63		-== Pin Mapping ==
64	64
65		-[[image:image-20220523101537-1.png]]
66	66
67		-== Land Pattern ==
	104	+== 1.6  Pin Mapping ==
68	68
	106	+[[image:image-20220720111850-1.png]]
	107	+
	108	+
	109	+
	110	+== 1.7  Land Pattern ==
	111	+
69	69	[[image:image-20220517072821-2.png]]
70	70
71	71
72		-== Part Number ==
73	73
74		-Part Number: **LA66-XXX**
	116	+= 2.  LA66 LoRaWAN Shield =
75	75
76		-**XX**: The default frequency band
77	77
78		-* **AS923**: LoRaWAN AS923 band
79		-* **AU915**: LoRaWAN AU915 band
80		-* **EU433**: LoRaWAN EU433 band
81		-* **EU868**: LoRaWAN EU868 band
82		-* **KR920**: LoRaWAN KR920 band
83		-* **US915**: LoRaWAN US915 band
84		-* **IN865**: LoRaWAN IN865 band
85		-* **CN470**: LoRaWAN CN470 band
86		-* **PP**: Peer to Peer LoRa Protocol
	119	+== 2.1  Overview ==
87	87
88		-= LA66 LoRaWAN Shield =
89	89
90		-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	+)))
91	91
92		-== Pin Mapping & LED ==
	126	+(((
	127	+
	128	+)))
93	93
94		-== 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	+)))
95	95
96		-== 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	+)))
97	97
98		-== 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	+)))
99	99
100		-== 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	+)))
101	101
102		-=== 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	+)))
103	103
104		-1.LA66 LoRaWAN Shield that needs to be upgraded
105	105
106		-2.Arduino
107	107
108		-3.USB TO TTL
	160	+== 2.2  Features ==
109	109
110		-[[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
111	111
112		-=== Wiring Schematic ===
113	113
114		-[[image:image-20220602101311-3.png]]
115	115
116		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
117	117
118		-GND  >>>>>>>>>>>>GND
	176	+== 2.3  Specification ==
119	119
120		-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
121	121
122		-RXD  >>>>>>>>>>>>RXD
123	123
124		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
125	125
126		-Connect to the PC after connecting the wires
127	127
128		-[[image:image-20220602102240-4.png]]
	199	+== 2.4  LED ==
129	129
130		-=== Upgrade steps ===
131	131
132		-==== 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
133	133
134		-[[image:image-20220602102824-5.png]]
135	135
136		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
137	137
138		-[[image:image-20220602104701-12.png]]
	208	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
139	139
140		-==== Open the upgrade application software ====
141	141
142		-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：**
143	143
	213	+
	214	+[[image:image-20220723170210-2.png||height="908" width="681"]]
	215	+
	216	+
	217	+
	218	+**1.  open Arduino IDE**
	219	+
	220	+
	221	+[[image:image-20220723170545-4.png]]
	222	+
	223	+
	224	+
	225	+**2.  Open project**
	226	+
	227	+
	228	+LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	229	+
	230	+[[image:image-20220723170750-5.png||height="533" width="930"]]
	231	+
	232	+
	233	+
	234	+**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**
	235	+
	236	+
	237	+[[image:image-20220723171228-6.png]]
	238	+
	239	+
	240	+
	241	+**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	242	+
	243	+
	244	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	245	+
	246	+
	247	+
	248	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	249	+
	250	+
	251	+**1.  Open project**
	252	+
	253	+
	254	+Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	255	+
	256	+[[image:image-20220723172502-8.png]]
	257	+
	258	+
	259	+
	260	+2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets
	261	+
	262	+
	263	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
	264	+
	265	+
	266	+
	267	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	268	+
	269	+
	270	+**1.  Open project**
	271	+
	272	+
	273	+Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0>>https://www.dropbox.com/sh/trqitpm9adkupva/AAAE542NzwlHubIAIDxe6IWFa?dl=0]]
	274	+
	275	+
	276	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	277	+
	278	+
	279	+
	280	+**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
	281	+
	282	+
	283	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	284	+
	285	+
	286	+
	287	+**3.  Integration into Node-red via TTNV3**
	288	+
	289	+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/]]
	290	+
	291	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	292	+
	293	+
	294	+
	295	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	296	+
	297	+
	298	+=== 2.8.1  Items needed for update ===
	299	+
	300	+
	301	+1. LA66 LoRaWAN Shield
	302	+1. Arduino
	303	+1. USB TO TTL Adapter
	304	+
	305	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	306	+
	307	+
	308	+=== 2.8.2  Connection ===
	309	+
	310	+
	311	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	312	+
	313	+
	314	+(((
	315	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	316	+)))
	317	+
	318	+(((
	319	+(% style="background-color:yellow" %)**GND  <-> GND
	320	+TXD  <->  TXD
	321	+RXD  <->  RXD**
	322	+)))
	323	+
	324	+
	325	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	326	+
	327	+Connect USB TTL Adapter to PC after connecting the wires
	328	+
	329	+
	330	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	331	+
	332	+
	333	+=== 2.8.3  Upgrade steps ===
	334	+
	335	+
	336	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	337	+
	338	+
	339	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	340	+
	341	+
	342	+
	343	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	344	+
	345	+
	346	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	347	+
	348	+
	349	+
	350	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	351	+
	352	+
	353	+(((
	354	+(% 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/]]**
	355	+)))
	356	+
	357	+
144	144	[[image:image-20220602103227-6.png]]
145	145
	360	+
146	146	[[image:image-20220602103357-7.png]]
147	147
148		-===== Select the COM port corresponding to USB TTL =====
149	149
	364	+
	365	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	366	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	367	+
	368	+
150	150	[[image:image-20220602103844-8.png]]
151	151
152		-===== Select the bin file to burn =====
153	153
	372	+
	373	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	374	+(% style="color:blue" %)**3. Select the bin file to burn**
	375	+
	376	+
154	154	[[image:image-20220602104144-9.png]]
155	155
	379	+
156	156	[[image:image-20220602104251-10.png]]
157	157
	382	+
158	158	[[image:image-20220602104402-11.png]]
159	159
160		-===== Click to start the download =====
161	161
	386	+
	387	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	388	+(% style="color:blue" %)**4. Click to start the download**
	389	+
162	162	[[image:image-20220602104923-13.png]]
163	163
164		-===== The following figure appears to prove that the burning is in progress =====
165	165
	393	+
	394	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	395	+(% style="color:blue" %)**5. Check update process**
	396	+
	397	+
166	166	[[image:image-20220602104948-14.png]]
167	167
168		-===== The following picture appears to prove that the burning is successful =====
169	169
	401	+
	402	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	403	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	404	+
170	170	[[image:image-20220602105251-15.png]]
171	171
172		-= LA66 USB LoRaWAN Adapter =
173	173
174		-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.
175	175
176		-Before use, please make sure that the computer has installed the CP2102 driver
	409	+= 3.  LA66 USB LoRaWAN Adapter =
177	177
178		-== Pin Mapping & LED ==
179	179
180		-== Example Send & Get Messages via LoRaWAN in PC ==
	412	+== 3.1  Overview ==
181	181
182		-Connect the LA66 LoRa Shield to the PC
183	183
184		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	415	+[[image:image-20220715001142-3.png||height="145" width="220"]]
185	185
	417	+
	418	+(((
	419	+(% 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.
	420	+)))
	421	+
	422	+(((
	423	+(% 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.
	424	+)))
	425	+
	426	+(((
	427	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	428	+)))
	429	+
	430	+(((
	431	+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.
	432	+)))
	433	+
	434	+(((
	435	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	436	+)))
	437	+
	438	+
	439	+
	440	+== 3.2  Features ==
	441	+
	442	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	443	+* Ultra-long RF range
	444	+* Support LoRaWAN v1.0.4 protocol
	445	+* Support peer-to-peer protocol
	446	+* TCXO crystal to ensure RF performance on low temperature
	447	+* Spring RF antenna
	448	+* Available in different frequency LoRaWAN frequency bands.
	449	+* World-wide unique OTAA keys.
	450	+* AT Command via UART-TTL interface
	451	+* Firmware upgradable via UART interface
	452	+* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
	453	+
	454	+
	455	+
	456	+== 3.3  Specification ==
	457	+
	458	+* CPU: 32-bit 48 MHz
	459	+* Flash: 256KB
	460	+* RAM: 64KB
	461	+* Input Power Range: 5v
	462	+* Frequency Range: 150 MHz ~~ 960 MHz
	463	+* Maximum Power +22 dBm constant RF output
	464	+* High sensitivity: -148 dBm
	465	+* Temperature:
	466	+** Storage: -55 ~~ +125℃
	467	+** Operating: -40 ~~ +85℃
	468	+* Humidity:
	469	+** Storage: 5 ~~ 95% (Non-Condensing)
	470	+** Operating: 10 ~~ 95% (Non-Condensing)
	471	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	472	+* LoRa Rx current: <9 mA
	473	+
	474	+
	475	+
	476	+== 3.4  Pin Mapping & LED ==
	477	+
	478	+
	479	+
	480	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	481	+
	482	+
	483	+(((
	484	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	485	+)))
	486	+
	487	+
	488	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	489	+
	490	+
	491	+[[image:image-20220723100027-1.png]]
	492	+
	493	+
186	186	Open the serial port tool
187	187
188	188	[[image:image-20220602161617-8.png]]
189	189
190		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	498	+[[image:image-20220602161718-9.png||height="457" width="800"]]
191	191
192		-Press the reset switch RST on the LA66 LoRa Shield.
193	193
194		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
195	195
196		-[[image:image-20220602161935-10.png]]
	502	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
197	197
198		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	504	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
199	199
	506	+
	507	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	508	+
	509	+
	510	+
	511	+(% style="color:blue" %)**3. See Uplink Command**
	512	+
	513	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	514	+
200	200	example: AT+SENDB=01,02,8,05820802581ea0a5
201	201
202		-[[image:image-20220602162157-11.png]]
	517	+[[image:image-20220602162157-11.png||height="497" width="800"]]
203	203
204		-Check to see if TTN received the message
205	205
206		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
207	207
208		-== Example Send & Get Messages via LoRaWAN in RPi ==
	521	+(% style="color:blue" %)**4. Check to see if TTN received the message**
209	209
210		-Connect the LA66 LoRa Shield to the RPI
	523	+[[image:image-20220602162331-12.png||height="420" width="800"]]
211	211
212		-[[image:image-20220602171233-2.png||height="592" width="881"]]
213	213
214		-Log in to the RPI's terminal and connect to the serial port
215	215
216		-[[image:image-20220602153146-3.png]]
	527	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
217	217
218		-Press the reset switch RST on the LA66 LoRa Shield.
219		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
220	220
221		-[[image:image-20220602154928-5.png]]
	530	+**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]]
222	222
223		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	532	+(**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]])
224	224
	534	+(% style="color:red" %)**Preconditions:**
	535	+
	536	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	537	+
	538	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	539	+
	540	+
	541	+
	542	+(% style="color:blue" %)**Steps for usage:**
	543	+
	544	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	545	+
	546	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	547	+
	548	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	549	+
	550	+
	551	+
	552	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	553	+
	554	+
	555	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	556	+
	557	+
	558	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	559	+
	560	+[[image:image-20220723100439-2.png]]
	561	+
	562	+
	563	+
	564	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	565	+
	566	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	567	+
	568	+ (% style="background-color:yellow" %)**apt update**
	569	+
	570	+ (% style="background-color:yellow" %)**apt install minicom**
	571	+
	572	+
	573	+Use minicom to connect to the RPI's terminal
	574	+
	575	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	576	+
	577	+
	578	+
	579	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	580	+
	581	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	582	+
	583	+
	584	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	585	+
	586	+
	587	+
	588	+(% style="color:blue" %)**4. Send Uplink message**
	589	+
	590	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	591	+
225	225	example: AT+SENDB=01,02,8,05820802581ea0a5
226	226
227		-[[image:image-20220602160339-6.png]]
228	228
	595	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	596	+
	597	+
	598	+
229	229	Check to see if TTN received the message
230	230
231		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	601	+[[image:image-20220602160627-7.png||height="369" width="800"]]
232	232
233		-=== Install Minicom ===
234	234
235		-Enter the following command in the RPI terminal
236	236
237		-apt update
	605	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
238	238
239		-[[image:image-20220602143155-1.png]]
240	240
241		-apt install minicom
	608	+=== 3.8.1 DRAGINO-LA66-APP ===
242	242
243		-[[image:image-20220602143744-2.png]]
244	244
245		-=== Send PC's CPU/RAM usage to TTN via script. ===
	611	+[[image:image-20220723102027-3.png]]
246	246
247		-==== Take python as an example： ====
248	248
249		-===== Preconditions: =====
250	250
251		-1.LA66 USB LoRaWAN Adapter works fine
	615	+==== (% style="color:blue" %)**Overview：**(%%) ====
252	252
253		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
254	254
255		-===== Steps for usage =====
	618	+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.
256	256
257		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	620	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
258	258
259		-2.Run the script and see the TTN
260	260
261		-[[image:image-20220602115852-3.png]]
262	262
	624	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
263	263
264	264
265		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	627	+Requires a type-c to USB adapter
266	266
	629	+[[image:image-20220723104754-4.png]]
267	267
268		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
269	269
270		-
	632	+
	633	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	634	+
	635	+
	636	+Function and page introduction
	637	+
	638	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	639	+
	640	+1.Display LA66 USB LoRaWAN Module connection status
	641	+
	642	+2.Check and reconnect
	643	+
	644	+3.Turn send timestamps on or off
	645	+
	646	+4.Display LoRaWan connection status
	647	+
	648	+5.Check LoRaWan connection status
	649	+
	650	+6.The RSSI value of the node when the ACK is received
	651	+
	652	+7.Node's Signal Strength Icon
	653	+
	654	+8.Set the packet sending interval of the node in seconds
	655	+
	656	+9.AT command input box
	657	+
	658	+10.Send AT command button
	659	+
	660	+11.Node log box
	661	+
	662	+12.clear log button
	663	+
	664	+13.exit button
	665	+
	666	+
	667	+LA66 USB LoRaWAN Module not connected
	668	+
	669	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	670	+
	671	+
	672	+
	673	+Connect LA66 USB LoRaWAN Module
	674	+
	675	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	676	+
	677	+
	678	+
	679	+=== 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 ===
	680	+
	681	+
	682	+**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	683	+
	684	+[[image:image-20220723134549-8.png]]
	685	+
	686	+
	687	+
	688	+**2.  Open Node-RED,And import the JSON file to generate the flow**
	689	+
	690	+Sample JSON file please go to this link to download：放置JSON文件的链接
	691	+
	692	+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/]]
	693	+
	694	+The following is the positioning effect map
	695	+
	696	+[[image:image-20220723144339-1.png]]
	697	+
	698	+
	699	+
	700	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	701	+
	702	+
	703	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	704	+
	705	+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)
	706	+
	707	+[[image:image-20220723150132-2.png]]
	708	+
	709	+
	710	+
	711	+= 4.  Order Info =
	712	+
	713	+
	714	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	715	+
	716	+
	717	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	718	+
	719	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	720	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	721	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	722	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	723	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	724	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	725	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	726	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	727	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	728	+
	729	+
	730	+= 5.  Reference =
	731	+
	732	+
	733	+* 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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