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Details

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Author

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1		-XWiki.Lu
	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 LoRa and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
	9	+= 1.  LA66 LoRaWAN Module =
10	10
11		-**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12	12
13		-**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
	12	+== 1.1  What is LA66 LoRaWAN Module ==
14	14
15	15
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
16	16
17		-== Specification ==
	20	+(((
	21	+
	22	+)))
18	18
19		-[[image:image-20220517072526-1.png]]
	24	+(((
	25	+(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
	26	+)))
	27	+)))
20	20
21		-Input Power Range: 1.8v ~~ 3.7v
	29	+(((
	30	+(((
	31	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	32	+)))
	33	+)))
22	22
23		-Power Consumption: < 4uA.
	35	+(((
	36	+(((
	37	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
24	24
25		-Frequency Range: 150 MHz ~~ 960 MHz
	40	+(((
	41	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	42	+)))
	43	+)))
26	26
27		-Maximum Power +22 dBm constant RF output
	45	+(((
	46	+(((
	47	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
28	28
29		-High sensitivity: -148 dBm
30	30
31		-Temperature:
32	32
33		-* Storage: -55 ~~ +125℃
34		-* Operating: -40 ~~ +85℃
	53	+== 1.2  Features ==
35	35
36		-Humidity:
	55	+* Support LoRaWAN v1.0.4 protocol
	56	+* Support peer-to-peer protocol
	57	+* TCXO crystal to ensure RF performance on low temperature
	58	+* SMD Antenna pad and i-pex antenna connector
	59	+* Available in different frequency LoRaWAN frequency bands.
	60	+* World-wide unique OTAA keys.
	61	+* AT Command via UART-TTL interface
	62	+* Firmware upgradable via UART interface
	63	+* Ultra-long RF range
37	37
38		-* Storage: 5 ~~ 95% (Non-Condensing)
39		-* Operating: 10 ~~ 95% (Non-Condensing)
40	40
41		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
42	42
43		-LoRa Rx current: <9 mA
44	44
45		-I/O Voltage: 3.3v
46	46
	69	+== 1.3  Specification ==
47	47
48		-== AT Command ==
	71	+* CPU: 32-bit 48 MHz
	72	+* Flash: 256KB
	73	+* RAM: 64KB
	74	+* Input Power Range: 1.8v ~~ 3.7v
	75	+* Power Consumption: < 4uA.
	76	+* Frequency Range: 150 MHz ~~ 960 MHz
	77	+* Maximum Power +22 dBm constant RF output
	78	+* High sensitivity: -148 dBm
	79	+* Temperature:
	80	+** Storage: -55 ~~ +125℃
	81	+** Operating: -40 ~~ +85℃
	82	+* Humidity:
	83	+** Storage: 5 ~~ 95% (Non-Condensing)
	84	+** Operating: 10 ~~ 95% (Non-Condensing)
	85	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	86	+* LoRa Rx current: <9 mA
	87	+* I/O Voltage: 3.3v
49	49
	89	+
	90	+
	91	+
	92	+
	93	+== 1.4  AT Command ==
	94	+
	95	+
50	50	AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
51	51
52	52
53		-== Pin Mapping ==
54	54
55		-[[image:image-20220523101537-1.png]]
	100	+== 1.5  Dimension ==
56	56
57		-== Land Pattern ==
	102	+[[image:image-20220718094750-3.png]]
58	58
	104	+
	105	+
	106	+== 1.6  Pin Mapping ==
	107	+
	108	+[[image:image-20220720111850-1.png]]
	109	+
	110	+
	111	+
	112	+== 1.7  Land Pattern ==
	113	+
59	59	[[image:image-20220517072821-2.png]]
60	60
61	61
62		-== Part Number ==
63	63
64		-Part Number: **LA66-XXX**
	118	+= 2.  LA66 LoRaWAN Shield =
65	65
66		-**XX**: The default frequency band
67	67
68		-* **AS923**: LoRaWAN AS923 band
69		-* **AU915**: LoRaWAN AU915 band
70		-* **EU433**: LoRaWAN EU433 band
71		-* **EU868**: LoRaWAN EU868 band
72		-* **KR920**: LoRaWAN KR920 band
73		-* **US915**: LoRaWAN US915 band
74		-* **IN865**: LoRaWAN IN865 band
75		-* **CN470**: LoRaWAN CN470 band
	121	+== 2.1  Overview ==
76	76
77		-= LA66 LoRaWAN Shield =
78	78
79		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	124	+(((
	125	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	126	+)))
80	80
81		-== Pin Mapping & LED ==
	128	+(((
	129	+
	130	+)))
82	82
83		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	132	+(((
	133	+(% 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.
	134	+)))
84	84
85		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	136	+(((
	137	+(((
	138	+(% 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.
	139	+)))
	140	+)))
86	86
87		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	142	+(((
	143	+(((
	144	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	145	+)))
	146	+)))
88	88
89		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	148	+(((
	149	+(((
	150	+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.
	151	+)))
	152	+)))
90	90
91		-=== what needs to be used ===
	154	+(((
	155	+(((
	156	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	157	+)))
	158	+)))
92	92
93		-1.LA66 LoRaWAN Shield that needs to be upgraded
94	94
95		-2.Arduino
96	96
97		-3.USB TO TTL
	162	+== 2.2  Features ==
98	98
99		-[[image:image-20220602100052-2.png]]
	164	+* Arduino Shield base on LA66 LoRaWAN module
	165	+* Support LoRaWAN v1.0.4 protocol
	166	+* Support peer-to-peer protocol
	167	+* TCXO crystal to ensure RF performance on low temperature
	168	+* SMA connector
	169	+* Available in different frequency LoRaWAN frequency bands.
	170	+* World-wide unique OTAA keys.
	171	+* AT Command via UART-TTL interface
	172	+* Firmware upgradable via UART interface
	173	+* Ultra-long RF range
100	100
101		-=== Wiring Schematic ===
102	102
103		-[[image:image-20220602101311-3.png]]
104	104
105		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106	106
107		-GND  >>>>>>>>>>>>GND
108	108
109		-TXD  >>>>>>>>>>>>TXD
	179	+== 2.3  Specification ==
110	110
111		-RXD  >>>>>>>>>>>>RXD
	181	+* CPU: 32-bit 48 MHz
	182	+* Flash: 256KB
	183	+* RAM: 64KB
	184	+* Input Power Range: 1.8v ~~ 3.7v
	185	+* Power Consumption: < 4uA.
	186	+* Frequency Range: 150 MHz ~~ 960 MHz
	187	+* Maximum Power +22 dBm constant RF output
	188	+* High sensitivity: -148 dBm
	189	+* Temperature:
	190	+** Storage: -55 ~~ +125℃
	191	+** Operating: -40 ~~ +85℃
	192	+* Humidity:
	193	+** Storage: 5 ~~ 95% (Non-Condensing)
	194	+** Operating: 10 ~~ 95% (Non-Condensing)
	195	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	196	+* LoRa Rx current: <9 mA
	197	+* I/O Voltage: 3.3v
112	112
113		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114	114
115		-Connect to the PC after connecting the wires
116	116
117		-[[image:image-20220602102240-4.png]]
118	118
119		-=== Upgrade steps ===
120	120
121		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	203	+== 2.4  LED ==
122	122
123		-[[image:image-20220602102824-5.png]]
124	124
125		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	206	+~1. The LED lights up red when there is an upstream data packet
	207	+2. When the network is successfully connected, the green light will be on for 5 seconds
	208	+3. Purple light on when receiving downlink data packets
126	126
127		-[[image:image-20220602104701-12.png]]
128	128
129		-==== Open the upgrade application software ====
130	130
131		-Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
	212	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
132	132
	214	+
	215	+**Show connection diagram：**
	216	+
	217	+
	218	+[[image:image-20220723170210-2.png||height="908" width="681"]]
	219	+
	220	+
	221	+
	222	+(% style="color:blue" %)**1.  open Arduino IDE**
	223	+
	224	+
	225	+[[image:image-20220723170545-4.png]]
	226	+
	227	+
	228	+
	229	+(% style="color:blue" %)**2.  Open project**
	230	+
	231	+
	232	+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]]
	233	+
	234	+
	235	+
	236	+(% 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**
	237	+
	238	+
	239	+
	240	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	241	+
	242	+
	243	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	244	+
	245	+
	246	+
	247	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	248	+
	249	+
	250	+(% style="color:blue" %)**1.  Open project**
	251	+
	252	+
	253	+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]]
	254	+
	255	+
	256	+[[image:image-20220723172502-8.png]]
	257	+
	258	+
	259	+
	260	+(% 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**
	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	+(% style="color:blue" %)**1.  Open project**
	271	+
	272	+
	273	+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]]
	274	+
	275	+
	276	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	277	+
	278	+
	279	+
	280	+(% 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**
	281	+
	282	+
	283	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	284	+
	285	+
	286	+
	287	+(% style="color:blue" %)**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	+
133	133	[[image:image-20220602103227-6.png]]
134	134
	360	+
135	135	[[image:image-20220602103357-7.png]]
136	136
137		-===== Select the COM port corresponding to USB TTL =====
138	138
	364	+
	365	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	366	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	367	+
	368	+
139	139	[[image:image-20220602103844-8.png]]
140	140
141		-===== Select the bin file to burn =====
142	142
	372	+
	373	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	374	+(% style="color:blue" %)**3. Select the bin file to burn**
	375	+
	376	+
143	143	[[image:image-20220602104144-9.png]]
144	144
	379	+
145	145	[[image:image-20220602104251-10.png]]
146	146
	382	+
147	147	[[image:image-20220602104402-11.png]]
148	148
149		-===== Click to start the download =====
150	150
	386	+
	387	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	388	+(% style="color:blue" %)**4. Click to start the download**
	389	+
151	151	[[image:image-20220602104923-13.png]]
152	152
153		-===== The following figure appears to prove that the burning is in progress =====
154	154
	393	+
	394	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	395	+(% style="color:blue" %)**5. Check update process**
	396	+
	397	+
155	155	[[image:image-20220602104948-14.png]]
156	156
157		-===== The following picture appears to prove that the burning is successful =====
158	158
	401	+
	402	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	403	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	404	+
159	159	[[image:image-20220602105251-15.png]]
160	160
161		-= LA66 USB LoRaWAN Adapter =
162	162
163		-LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
164	164
165		-Before use, please make sure that the computer has installed the CP2102 driver
	409	+= 3.  LA66 USB LoRaWAN Adapter =
166	166
167		-== Pin Mapping & LED ==
168	168
169		-== Example Send & Get Messages via LoRaWAN in PC ==
	412	+== 3.1  Overview ==
170	170
171		-== Example Send & Get Messages via LoRaWAN in RPi ==
172	172
173		-Connect the LA66 LoRa Shield to the RPI
	415	+[[image:image-20220715001142-3.png||height="145" width="220"]]
174	174
175		-[[image:image-20220602153333-4.png]]
176	176
177		-Log in to the RPI's terminal and connect to the serial port
	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	+)))
178	178
179		-[[image:image-20220602153146-3.png]]
	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	+)))
180	180
181		-Press the reset switch RST on the LA66 LoRa Shield.
182		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
	426	+(((
	427	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	428	+)))
183	183
184		-[[image:image-20220602154928-5.png]]
	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	+)))
185	185
186		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	434	+(((
	435	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	436	+)))
187	187
	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	+
	494	+Open the serial port tool
	495	+
	496	+[[image:image-20220602161617-8.png]]
	497	+
	498	+[[image:image-20220602161718-9.png||height="457" width="800"]]
	499	+
	500	+
	501	+
	502	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	503	+
	504	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	505	+
	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	+
188	188	example: AT+SENDB=01,02,8,05820802581ea0a5
189	189
190		-[[image:image-20220602160339-6.png]]
	517	+[[image:image-20220602162157-11.png||height="497" width="800"]]
191	191
	519	+
	520	+
	521	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	522	+
	523	+[[image:image-20220602162331-12.png||height="420" width="800"]]
	524	+
	525	+
	526	+
	527	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	528	+
	529	+
	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]]
	531	+
	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]])
	533	+
	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	+
	592	+example: AT+SENDB=01,02,8,05820802581ea0a5
	593	+
	594	+
	595	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	596	+
	597	+
	598	+
192	192	Check to see if TTN received the message
193	193
194		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	601	+[[image:image-20220602160627-7.png||height="369" width="800"]]
195	195
196		-=== Install Minicom ===
197	197
198		-Enter the following command in the RPI terminal
199	199
200		-apt update
	605	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and APP sample process and DRAGINO-LA66-APP. ==
201	201
202		-[[image:image-20220602143155-1.png]]
203	203
204		-apt install minicom
	608	+=== 3.8.1  DRAGINO-LA66-APP ===
205	205
206		-[[image:image-20220602143744-2.png]]
207	207
208		-=== Use AT Command to send an uplink message. ===
	611	+[[image:image-20220723102027-3.png]]
209	209
210		-=== Send PC's CPU/RAM usage to TTN via script. ===
211	211
212		-==== Take python as an example： ====
213	213
214		-===== Preconditions: =====
	615	+==== (% style="color:blue" %)**Overview：**(%%) ====
215	215
216		-1.LA66 LoRa Shield works fine
217	217
218		-2.LA66 LoRa Shield is registered with TTN
	618	+(((
	619	+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.
	620	+)))
219	219
220		-===== Steps for usage =====
	622	+(((
	623	+View the communication signal strength between the node and the gateway through the RSSI value（DRAGINO-LA66-APP currently only supports Android system）
	624	+)))
221	221
222		-1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
223	223
224		-[[image:image-20220602114148-1.png]]
225	225
226		-2.Run the script and see the TTN
	628	+==== (% style="color:blue" %)**Conditions of Use：**(%%) ====
227	227
228		-[[image:image-20220602115852-3.png]]
229	229
	631	+Requires a type-c to USB adapter
230	230
	633	+[[image:image-20220723104754-4.png]]
231	231
232		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
233	233
234	234
235		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	637	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	638	+
	639	+
	640	+Function and page introduction
	641	+
	642	+[[image:image-20220723113448-7.png||height="1481" width="670"]]
	643	+
	644	+
	645	+1.Display LA66 USB LoRaWAN Module connection status
	646	+
	647	+2.Check and reconnect
	648	+
	649	+3.Turn send timestamps on or off
	650	+
	651	+4.Display LoRaWan connection status
	652	+
	653	+5.Check LoRaWan connection status
	654	+
	655	+6.The RSSI value of the node when the ACK is received
	656	+
	657	+7.Node's Signal Strength Icon
	658	+
	659	+8.Set the packet sending interval of the node in seconds
	660	+
	661	+9.AT command input box
	662	+
	663	+10.Send AT command button
	664	+
	665	+11.Node log box
	666	+
	667	+12.clear log button
	668	+
	669	+13.exit button
	670	+
	671	+
	672	+LA66 USB LoRaWAN Module not connected
	673	+
	674	+[[image:image-20220723110520-5.png||height="903" width="677"]]
	675	+
	676	+
	677	+
	678	+Connect LA66 USB LoRaWAN Module
	679	+
	680	+[[image:image-20220723110626-6.png||height="906" width="680"]]
	681	+
	682	+
	683	+
	684	+=== 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 ===
	685	+
	686	+
	687	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	688	+
	689	+[[image:image-20220723134549-8.png]]
	690	+
	691	+
	692	+
	693	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	694	+
	695	+Sample JSON file please go to this link to download：放置JSON文件的链接
	696	+
	697	+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/]]
	698	+
	699	+The following is the positioning effect map
	700	+
	701	+[[image:image-20220723144339-1.png]]
	702	+
	703	+
	704	+
	705	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	706	+
	707	+
	708	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	709	+
	710	+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)
	711	+
	712	+[[image:image-20220723150132-2.png]]
	713	+
	714	+
	715	+
	716	+= 4.  Order Info =
	717	+
	718	+
	719	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	720	+
	721	+
	722	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	723	+
	724	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	725	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	726	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	727	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	728	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	729	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	730	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	731	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	732	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	733	+
	734	+
	735	+= 5.  Reference =
	736	+
	737	+
	738	+* 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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