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54	54	* Firmware upgradable via UART interface
55	55	* Open Source Mobile App for LoRaWAN signal detect and GPS tracking.
56	56
	57	+
57	57	== 1.3  Specification ==
58	58
59	59
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73	73	* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
74	74	* LoRa Rx current: <9 mA
75	75
	77	+
76	76	== 1.4  Pin Mapping & LED ==
77	77
78	78
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88	88	)))
89	89
90	90
91		-(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	93	+(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN adapter to PC**
92	92
93	93
94	94	[[image:image-20220723100027-1.png]]
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98	98
99	99	[[image:image-20220602161617-8.png]]
100	100
	103	+
101	101	[[image:image-20220602161718-9.png||height="457" width="800"]]
102	102
103	103
104	104
105		-(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	108	+(% style="color:blue" %)**2.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
106	106
107	107
108	108	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
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112	112
113	113
114	114
115		-(% style="color:blue" %)**3. See Uplink Command**
	118	+(% style="color:blue" %)**3.  See Uplink Command**
116	116
117	117
118	118	Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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123	123
124	124
125	125
126		-(% style="color:blue" %)**4. Check to see if TTN received the message**
	129	+(% style="color:blue" %)**4.  Check to see if TTN received the message**
127	127
128	128
129	129	[[image:image-20220817093644-1.png]]
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130	130
131	131
132	132
133		-== 1.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	136	+== 1.6  Example: How to join helium ==
134	134
135	135
	139	+
	140	+(% style="color:blue" %)**1.  Create a new device.**
	141	+
	142	+
	143	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]
	144	+
	145	+
	146	+
	147	+(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
	148	+
	149	+
	150	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png" height="375" width="809"]]
	151	+
	152	+
	153	+
	154	+(% style="color:blue" %)**3.  Use AT commands.**
	155	+
	156	+
	157	+[[image:image-20220909151441-1.jpeg||height="695" width="521"]]
	158	+
	159	+
	160	+
	161	+(% style="color:blue" %)**4.  Use the serial port tool**
	162	+
	163	+
	164	+[[image:image-20220909151517-2.png||height="543" width="708"]]
	165	+
	166	+
	167	+
	168	+(% style="color:blue" %)**5.  Use command AT+CFG to get device configuration**
	169	+
	170	+
	171	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]]
	172	+
	173	+
	174	+
	175	+(% style="color:blue" %)**6.  Network successfully.**
	176	+
	177	+
	178	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]
	179	+
	180	+
	181	+
	182	+(% style="color:blue" %)**7.  Send uplink using command**
	183	+
	184	+
	185	+[[image:image-20220912085244-1.png]]
	186	+
	187	+
	188	+[[image:image-20220912085307-2.png]]
	189	+
	190	+
	191	+
	192	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]]
	193	+
	194	+
	195	+
	196	+== 1.7  Example: Send PC's CPU/RAM usage to TTN via python ==
	197	+
	198	+
136	136	**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]]
137	137
138	138	(**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]])
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150	150
151	151	(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
152	152
153		-(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	216	+(% style="color:blue" %)**2.**(%%) Add [[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]] on TTN
154	154
	218	+(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN
155	155
	220	+
156	156	[[image:image-20220602115852-3.png||height="450" width="1187"]]
157	157
158	158
159	159
160		-== 1.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	225	+== 1.8  Example: Send & Get Messages via LoRaWAN in RPi ==
161	161
162	162
163	163	Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
164	164
165	165
166		-(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	231	+(% style="color:blue" %)**1.  Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
167	167
168	168
169	169	[[image:image-20220723100439-2.png]]
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170	170
171	171
172	172
173		-(% style="color:blue" %)**2. Install Minicom in RPi.**
	238	+(% style="color:blue" %)**2.  Install Minicom in RPi.**
174	174
175	175
176	176	(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
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186	186
187	187
188	188
189		-(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	254	+(% style="color:blue" %)**3.  Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
190	190
191	191
192	192	The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
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196	196
197	197
198	198
199		-(% style="color:blue" %)**4. Send Uplink message**
	264	+(% style="color:blue" %)**4.  Send Uplink message**
200	200
201	201
202	202	Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
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210	210
211	211	Check to see if TTN received the message
212	212
	278	+
213	213	[[image:image-20220602160627-7.png||height="369" width="800"]]
214	214
215	215
216	216
217		-== 1.8  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
	283	+== 1.9  Example: Use of LA66 USB LoRaWAN Adapter and mobile APP ==
218	218
219	219
220		-=== 1.8.1  Hardware and Software Connection ===
	286	+=== 1.9.1  Hardware and Software Connection ===
221	221
222	222
223	223
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235	235
236	236
237	237
	304	+
238	238	==== (% style="color:blue" %)**Hardware Connection:**(%%) ====
239	239
240	240
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246	246
247	247
248	248
	316	+
249	249	==== (% style="color:blue" %)**Download and Install App:**(%%) ====
250	250
251	251
252	252	[[(% 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)
253	253
	322	+
254	254	[[image:image-20220813173738-1.png]]
255	255
256	256
257	257
	327	+
258	258	==== (% style="color:blue" %)**Use of APP:**(%%) ====
259	259
260	260
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263	263
264	264	[[image:image-20220723113448-7.png||height="995" width="450"]]
265	265
	336	+
266	266	**Block Explain:**
267	267
268	268	1.  Display LA66 USB LoRaWAN Module connection status
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302	302
303	303	Connect LA66 USB LoRaWAN Module
304	304
	376	+
305	305	[[image:image-20220723110626-6.png||height="681" width="511"]]
306	306
307	307
308	308
309		-=== 1.8.2  Send data to TTNv3 and plot location info in Node-Red ===
310	310
	382	+=== 1.9.2  Send data to TTNv3 and plot location info in Node-Red ===
311	311
	384	+
312	312	(% style="color:blue" %)**1.  Register LA66 USB LoRaWAN Module to TTNV3**
313	313
314	314
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334	334
335	335
336	336
337		-== 1.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	410	+== 1.10  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
338	338
339	339
340		-The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method
	413	+The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method.
341	341
342		-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)
	415	+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).
343	343
344	344
345	345	[[image:image-20220723150132-2.png]]
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349	349	= 2.  FAQ =
350	350
351	351
352		-== 2.1  How to Compile Source Code for LA66? ==
	425	+== 2.1  How to Compile Source Code for LA66? ==
353	353
354	354
355	355	Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
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356	356
357	357
358	358
	432	+== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
	433	+
	434	+
	435	+Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
	436	+
	437	+
	438	+
359	359	= 3.  Order Info =
360	360
361	361
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381	381	* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
382	382	* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]].
383	383
384		-
	464	+
	465	+= 5.  FCC Statement =
	466	+
	467	+
	468	+(% style="color:red" %)**FCC Caution:**
	469	+
	470	+Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	471	+
	472	+This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
	473	+
	474	+
	475	+(% style="color:red" %)**IMPORTANT NOTE: **
	476	+
	477	+(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	478	+
	479	+—Reorient or relocate the receiving antenna.
	480	+
	481	+—Increase the separation between the equipment and receiver.
	482	+
	483	+—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	484	+
	485	+—Consult the dealer or an experienced radio/TV technician for help.
	486	+
	487	+
	488	+(% style="color:red" %)**FCC Radiation Exposure Statement: **
	489	+
	490	+This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.

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