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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+
	2	+
	3	+**Table of Contents:**
	4	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= LA66 LoRaWAN Module =
6	6
7		-== What is LA66 LoRaWAN Module ==
8	8
9		-**Dragino LA66** is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
	9	+= 1.  LA66 LoRaWAN Module =
10	10
11		-**LA66 **is a ready-to-use module that includes the LoRaWAN v1.0.4 protocol. The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk for developers to make a LoRaWAN End device. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
12	12
	12	+== 1.1  What is LA66 LoRaWAN Module ==
13	13
14		-LA66 is equipped with **TCXO crystal** which ensures the module can achieve the stable performance in extreme temperatures.
15	15
	15	+(((
	16	+(((
	17	+[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
	18	+)))
16	16
17		-**Each LA66 **module includes a world-unique OTAA key for LoRaWAN registration.
	20	+(((
	21	+
	22	+)))
18	18
	24	+(((
	25	+(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
	26	+)))
	27	+)))
19	19
	29	+(((
	30	+(((
	31	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	32	+)))
	33	+)))
20	20
21		-== Specification ==
	35	+(((
	36	+(((
	37	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	38	+)))
22	22
23		-[[image:image-20220517072526-1.png]]
	40	+(((
	41	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	42	+)))
	43	+)))
24	24
25		-Input Power Range: 1.8v ~~ 3.7v
	45	+(((
	46	+(((
	47	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	48	+)))
	49	+)))
26	26
27		-Power Consumption: < 4uA.
28	28
29		-Frequency Range: 150 MHz ~~ 960 MHz
30	30
31		-Maximum Power +22 dBm constant RF output
	53	+== 1.2  Features ==
32	32
33		-High sensitivity: -148 dBm
34	34
35		-Temperature:
	56	+* Support LoRaWAN v1.0.4 protocol
	57	+* Support peer-to-peer protocol
	58	+* TCXO crystal to ensure RF performance on low temperature
	59	+* SMD Antenna pad and i-pex antenna connector
	60	+* Available in different frequency LoRaWAN frequency bands.
	61	+* World-wide unique OTAA keys.
	62	+* AT Command via UART-TTL interface
	63	+* Firmware upgradable via UART interface
	64	+* Ultra-long RF range
36	36
37		-* Storage: -55 ~~ +125℃
38		-* Operating: -40 ~~ +85℃
	66	+== 1.3  Specification ==
39	39
40		-Humidity:
41	41
42		-* Storage: 5 ~~ 95% (Non-Condensing)
43		-* Operating: 10 ~~ 95% (Non-Condensing)
	69	+* CPU: 32-bit 48 MHz
	70	+* Flash: 256KB
	71	+* RAM: 64KB
	72	+* Input Power Range: 1.8v ~~ 3.7v
	73	+* Power Consumption: < 4uA.
	74	+* Frequency Range: 150 MHz ~~ 960 MHz
	75	+* Maximum Power +22 dBm constant RF output
	76	+* High sensitivity: -148 dBm
	77	+* Temperature:
	78	+** Storage: -55 ~~ +125℃
	79	+** Operating: -40 ~~ +85℃
	80	+* Humidity:
	81	+** Storage: 5 ~~ 95% (Non-Condensing)
	82	+** Operating: 10 ~~ 95% (Non-Condensing)
	83	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	84	+* LoRa Rx current: <9 mA
	85	+* I/O Voltage: 3.3v
44	44
45		-LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	87	+== 1.4  AT Command ==
46	46
47		-LoRa Rx current: <9 mA
48	48
49		-I/O Voltage: 3.3v
	90	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
50	50
51	51
52		-== AT Command ==
53	53
54		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
	94	+== 1.5  Dimension ==
55	55
	96	+[[image:image-20220718094750-3.png]]
56	56
57		-== Pin Mapping ==
58	58
59		-[[image:image-20220523101537-1.png]]
60	60
61		-== Land Pattern ==
	100	+== 1.6  Pin Mapping ==
62	62
	102	+[[image:image-20220720111850-1.png]]
	103	+
	104	+
	105	+
	106	+== 1.7  Land Pattern ==
	107	+
	108	+
63	63	[[image:image-20220517072821-2.png]]
64	64
65	65
66		-== Part Number ==
67	67
68		-Part Number: **LA66-XXX**
	113	+= 2.  LA66 LoRaWAN Shield =
69	69
70		-**XX**: The default frequency band
71	71
72		-* **AS923**: LoRaWAN AS923 band
73		-* **AU915**: LoRaWAN AU915 band
74		-* **EU433**: LoRaWAN EU433 band
75		-* **EU868**: LoRaWAN EU868 band
76		-* **KR920**: LoRaWAN KR920 band
77		-* **US915**: LoRaWAN US915 band
78		-* **IN865**: LoRaWAN IN865 band
79		-* **CN470**: LoRaWAN CN470 band
	116	+== 2.1  Overview ==
80	80
81		-= LA66 LoRaWAN Shield =
82	82
83		-LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
	119	+(((
	120	+[[image:image-20220715000826-2.png||height="145" width="220"]]
	121	+)))
84	84
85		-== Pin Mapping & LED ==
	123	+(((
	124	+
	125	+)))
86	86
87		-== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	127	+(((
	128	+(% 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.
	129	+)))
88	88
89		-== Example: Join TTN network and send an uplink message, get downlink message. ==
	131	+(((
	132	+(((
	133	+(% 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.
	134	+)))
	135	+)))
90	90
91		-== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	137	+(((
	138	+(((
	139	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	140	+)))
	141	+)))
92	92
93		-== Upgrade Firmware of LA66 LoRaWAN Shield ==
	143	+(((
	144	+(((
	145	+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.
	146	+)))
	147	+)))
94	94
95		-=== what needs to be used ===
	149	+(((
	150	+(((
	151	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	152	+)))
	153	+)))
96	96
97		-1.LA66 LoRaWAN Shield that needs to be upgraded
98	98
99		-2.Arduino
100	100
101		-3.USB TO TTL
	157	+== 2.2  Features ==
102	102
103		-[[image:image-20220602100052-2.png]]
104	104
105		-=== Wiring Schematic ===
	160	+* Arduino Shield base on LA66 LoRaWAN module
	161	+* Support LoRaWAN v1.0.4 protocol
	162	+* Support peer-to-peer protocol
	163	+* TCXO crystal to ensure RF performance on low temperature
	164	+* SMA connector
	165	+* Available in different frequency LoRaWAN frequency bands.
	166	+* World-wide unique OTAA keys.
	167	+* AT Command via UART-TTL interface
	168	+* Firmware upgradable via UART interface
	169	+* Ultra-long RF range
106	106
107		-[[image:image-20220602101311-3.png]]
	171	+== 2.3  Specification ==
108	108
109		-LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
110	110
111		-GND  >>>>>>>>>>>>GND
	174	+* CPU: 32-bit 48 MHz
	175	+* Flash: 256KB
	176	+* RAM: 64KB
	177	+* Input Power Range: 1.8v ~~ 3.7v
	178	+* Power Consumption: < 4uA.
	179	+* Frequency Range: 150 MHz ~~ 960 MHz
	180	+* Maximum Power +22 dBm constant RF output
	181	+* High sensitivity: -148 dBm
	182	+* Temperature:
	183	+** Storage: -55 ~~ +125℃
	184	+** Operating: -40 ~~ +85℃
	185	+* Humidity:
	186	+** Storage: 5 ~~ 95% (Non-Condensing)
	187	+** Operating: 10 ~~ 95% (Non-Condensing)
	188	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	189	+* LoRa Rx current: <9 mA
	190	+* I/O Voltage: 3.3v
112	112
113		-TXD  >>>>>>>>>>>>TXD
	192	+== 2.4  Pin Mapping & LED ==
114	114
115		-RXD  >>>>>>>>>>>>RXD
116	116
117		-JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
	195	+[[image:image-20220814101457-1.png||height="553" width="761"]]
118	118
119		-Connect to the PC after connecting the wires
	197	+~1. The LED lights up red when there is an upstream data packet
	198	+2. When the network is successfully connected, the green light will be on for 5 seconds
	199	+3. Purple light on when receiving downlink data packets
120	120
121		-[[image:image-20220602102240-4.png]]
122	122
123		-=== Upgrade steps ===
124	124
125		-==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
	203	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
126	126
127		-[[image:image-20220602102824-5.png]]
128	128
129		-==== Press the RST switch on the LA66 LoRaWAN Shield once ====
	206	+**Show connection diagram：**
130	130
131		-[[image:image-20220602104701-12.png]]
132	132
133		-==== Open the upgrade application software ====
	209	+[[image:image-20220723170210-2.png||height="908" width="681"]]
134	134
135		-Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
136	136
	212	+
	213	+(% style="color:blue" %)**1.  open Arduino IDE**
	214	+
	215	+
	216	+[[image:image-20220723170545-4.png]]
	217	+
	218	+
	219	+
	220	+(% style="color:blue" %)**2.  Open project**
	221	+
	222	+
	223	+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]]
	224	+
	225	+[[image:image-20220726135239-1.png]]
	226	+
	227	+
	228	+(% 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**
	229	+
	230	+[[image:image-20220726135356-2.png]]
	231	+
	232	+
	233	+(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
	234	+
	235	+
	236	+[[image:image-20220723172235-7.png||height="480" width="1027"]]
	237	+
	238	+
	239	+
	240	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	241	+
	242	+
	243	+(% style="color:blue" %)**1.  Open project**
	244	+
	245	+
	246	+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]]
	247	+
	248	+
	249	+[[image:image-20220723172502-8.png]]
	250	+
	251	+
	252	+
	253	+(% 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**
	254	+
	255	+
	256	+[[image:image-20220723172938-9.png||height="652" width="1050"]]
	257	+
	258	+
	259	+
	260	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
	261	+
	262	+
	263	+(% style="color:blue" %)**1.  Open project**
	264	+
	265	+
	266	+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]]
	267	+
	268	+
	269	+[[image:image-20220723173341-10.png||height="581" width="1014"]]
	270	+
	271	+
	272	+
	273	+(% 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**
	274	+
	275	+
	276	+[[image:image-20220723173950-11.png||height="665" width="1012"]]
	277	+
	278	+
	279	+
	280	+(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
	281	+
	282	+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/]]
	283	+
	284	+[[image:image-20220723175700-12.png||height="602" width="995"]]
	285	+
	286	+
	287	+
	288	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	289	+
	290	+
	291	+=== 2.8.1  Items needed for update ===
	292	+
	293	+
	294	+1. LA66 LoRaWAN Shield
	295	+1. Arduino
	296	+1. USB TO TTL Adapter
	297	+
	298	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	299	+
	300	+
	301	+
	302	+=== 2.8.2  Connection ===
	303	+
	304	+
	305	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	306	+
	307	+
	308	+(((
	309	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	310	+)))
	311	+
	312	+(((
	313	+(% style="background-color:yellow" %)**GND  <-> GND
	314	+TXD  <->  TXD
	315	+RXD  <->  RXD**
	316	+)))
	317	+
	318	+
	319	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	320	+
	321	+Connect USB TTL Adapter to PC after connecting the wires
	322	+
	323	+
	324	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	325	+
	326	+
	327	+
	328	+=== 2.8.3  Upgrade steps ===
	329	+
	330	+
	331	+==== (% style="color:blue" %)1.  Switch SW1 to put in ISP position(%%) ====
	332	+
	333	+
	334	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	335	+
	336	+
	337	+
	338	+==== (% style="color:blue" %)2.  Press the RST switch once(%%) ====
	339	+
	340	+
	341	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	342	+
	343	+
	344	+
	345	+==== (% style="color:blue" %)3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade(%%) ====
	346	+
	347	+
	348	+(((
	349	+(% 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/]]**
	350	+)))
	351	+
	352	+
137	137	[[image:image-20220602103227-6.png]]
138	138
	355	+
139	139	[[image:image-20220602103357-7.png]]
140	140
141		-===== Select the COM port corresponding to USB TTL =====
142	142
	359	+
	360	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	361	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	362	+
	363	+
143	143	[[image:image-20220602103844-8.png]]
144	144
145		-===== Select the bin file to burn =====
146	146
	367	+
	368	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	369	+(% style="color:blue" %)**3. Select the bin file to burn**
	370	+
	371	+
147	147	[[image:image-20220602104144-9.png]]
148	148
	374	+
149	149	[[image:image-20220602104251-10.png]]
150	150
	377	+
151	151	[[image:image-20220602104402-11.png]]
152	152
153		-===== Click to start the download =====
154	154
	381	+
	382	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	383	+(% style="color:blue" %)**4. Click to start the download**
	384	+
155	155	[[image:image-20220602104923-13.png]]
156	156
157		-===== The following figure appears to prove that the burning is in progress =====
158	158
	388	+
	389	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	390	+(% style="color:blue" %)**5. Check update process**
	391	+
	392	+
159	159	[[image:image-20220602104948-14.png]]
160	160
161		-===== The following picture appears to prove that the burning is successful =====
162	162
	396	+
	397	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	398	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	399	+
163	163	[[image:image-20220602105251-15.png]]
164	164
165		-= LA66 USB LoRaWAN Adapter =
166	166
167		-LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
168	168
169		-Before use, please make sure that the computer has installed the CP2102 driver
	404	+= 3.  LA66 USB LoRaWAN Adapter =
170	170
171		-== Pin Mapping & LED ==
172	172
173		-== Example Send & Get Messages via LoRaWAN in PC ==
	407	+== 3.1  Overview ==
174	174
175		-Connect the LA66 LoRa Shield to the PC
176	176
177		-[[image:image-20220602171217-1.png||height="615" width="915"]]
	410	+[[image:image-20220715001142-3.png||height="145" width="220"]]
178	178
	412	+
	413	+(((
	414	+(% 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.
	415	+)))
	416	+
	417	+(((
	418	+(% 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.
	419	+)))
	420	+
	421	+(((
	422	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	423	+)))
	424	+
	425	+(((
	426	+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.
	427	+)))
	428	+
	429	+(((
	430	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	431	+)))
	432	+
	433	+
	434	+
	435	+== 3.2  Features ==
	436	+
	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	+== 3.3  Specification ==
	451	+
	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	+== 3.4  Pin Mapping & LED ==
	470	+
	471	+[[image:image-20220813183239-3.png||height="526" width="662"]]
	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	+
179	179	Open the serial port tool
180	180
181	181	[[image:image-20220602161617-8.png]]
182	182
183		-[[image:image-20220602161718-9.png||height="529" width="927"]]
	492	+[[image:image-20220602161718-9.png||height="457" width="800"]]
184	184
185		-Press the reset switch RST on the LA66 LoRa Shield.
186	186
187		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
188	188
189		-[[image:image-20220602161935-10.png]]
	496	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
190	190
191		-send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
	498	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
192	192
	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	+
193	193	example: AT+SENDB=01,02,8,05820802581ea0a5
194	194
195		-[[image:image-20220602162157-11.png]]
	511	+[[image:image-20220602162157-11.png||height="497" width="800"]]
196	196
197		-Check to see if TTN received the message
198	198
199		-[[image:image-20220602162331-12.png||height="547" width="1044"]]
200	200
201		-== Example Send & Get Messages via LoRaWAN in RPi ==
	515	+(% style="color:blue" %)**4. Check to see if TTN received the message**
202	202
203		-Connect the LA66 LoRa Shield to the RPI
	517	+[[image:image-20220602162331-12.png||height="420" width="800"]]
204	204
205		-[[image:image-20220602171233-2.png||height="592" width="881"]]
206	206
207		-Log in to the RPI's terminal and connect to the serial port
208	208
209		-[[image:image-20220602153146-3.png]]
	521	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
210	210
211		-Press the reset switch RST on the LA66 LoRa Shield.
212		-The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
213	213
214		-[[image:image-20220602154928-5.png]]
	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]]
215	215
216		-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]])
217	217
	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	+
218	218	example: AT+SENDB=01,02,8,05820802581ea0a5
219	219
220		-[[image:image-20220602160339-6.png]]
221	221
	589	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	590	+
	591	+
	592	+
222	222	Check to see if TTN received the message
223	223
224		-[[image:image-20220602160627-7.png||height="468" width="1013"]]
	595	+[[image:image-20220602160627-7.png||height="369" width="800"]]
225	225
226		-=== Install Minicom ===
227	227
228		-Enter the following command in the RPI terminal
229	229
230		-apt update
	599	+== 3.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
231	231
232		-[[image:image-20220602143155-1.png]]
233	233
234		-apt install minicom
	602	+=== 3.8.1  Hardware and Software Connection ===
235	235
236		-[[image:image-20220602143744-2.png]]
237	237
238		-=== Send PC's CPU/RAM usage to TTN via script. ===
	605	+==== (% style="color:blue" %)**Overview：**(%%) ====
239	239
240		-==== Take python as an example： ====
241	241
242		-===== Preconditions: =====
	608	+(((
	609	+DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features:
243	243
244		-1.LA66 USB LoRaWAN Adapter works fine
	611	+* Send real-time location information of mobile phone to LoRaWAN network.
	612	+* Check LoRaWAN network signal strengh.
	613	+* Manually send messages to LoRaWAN network.
	614	+)))
245	245
246		-2.LA66 USB LoRaWAN Adapter  is registered with TTN
247	247
248		-===== Steps for usage =====
249	249
250		-1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	618	+==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
251	251
252		-2.Run the script and see the TTN
	620	+A USB to Type-C adapter is needed to connect to a Mobile phone.
253	253
254		-[[image:image-20220602115852-3.png]]
	622	+Note: The package of LA66 USB adapter already includes this USB Type-C adapter.
255	255
	624	+[[image:image-20220813174353-2.png||height="360" width="313"]]
256	256
257	257
258		-== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	627	+==== (% style="color:blue" %)**Download and Install App:**(%%) ====
259	259
	629	+[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]].  (Android Version Only)
260	260
261		-== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	631	+[[image:image-20220813173738-1.png]]
262	262
263		-
	633	+
	634	+==== (% style="color:blue" %)**Use of APP:**(%%) ====
	635	+
	636	+Function and page introduction
	637	+
	638	+[[image:image-20220723113448-7.png||height="995" width="450"]]
	639	+
	640	+**Block Explain:**
	641	+
	642	+1.  Display LA66 USB LoRaWAN Module connection status
	643	+
	644	+2.  Check and reconnect
	645	+
	646	+3.  Turn send timestamps on or off
	647	+
	648	+4.  Display LoRaWan connection status
	649	+
	650	+5.  Check LoRaWan connection status
	651	+
	652	+6.  The RSSI value of the node when the ACK is received
	653	+
	654	+7.  Node's Signal Strength Icon
	655	+
	656	+8.  Configure Location Uplink Interval
	657	+
	658	+9.  AT command input box
	659	+
	660	+10.  Send Button:  Send input box info to LA66 USB Adapter
	661	+
	662	+11.  Output Log from LA66 USB adapter
	663	+
	664	+12.  clear log button
	665	+
	666	+13.  exit button
	667	+
	668	+
	669	+LA66 USB LoRaWAN Module not connected
	670	+
	671	+[[image:image-20220723110520-5.png||height="677" width="508"]]
	672	+
	673	+
	674	+
	675	+Connect LA66 USB LoRaWAN Module
	676	+
	677	+[[image:image-20220723110626-6.png||height="681" width="511"]]
	678	+
	679	+
	680	+
	681	+=== 3.8.2 Send data to TTNv3 and plot location info in Node-Red ===
	682	+
	683	+
	684	+(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
	685	+
	686	+[[image:image-20220723134549-8.png]]
	687	+
	688	+
	689	+
	690	+(% style="color:blue" %)**2.  Open Node-RED,And import the JSON file to generate the flow**
	691	+
	692	+Sample JSON file please go to **[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** to download.
	693	+
	694	+For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
	695	+
	696	+After see LoRaWAN Online, walk around and the APP will keep sending location info to LoRaWAN server and then to the Node Red.
	697	+
	698	+
	699	+Example output in NodeRed is as below:
	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.  FAQ =
	717	+
	718	+
	719	+== 4.1  How to Compile Source Code for LA66? ==
	720	+
	721	+
	722	+Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
	723	+
	724	+
	725	+
	726	+= 5.  Order Info =
	727	+
	728	+
	729	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	730	+
	731	+
	732	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	733	+
	734	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	735	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	736	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	737	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	738	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	739	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	740	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	741	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	742	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	743	+
	744	+= 6.  Reference =
	745	+
	746	+
	747	+* 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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