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61	61	* Firmware upgradable via UART interface
62	62	* Ultra-long RF range
63	63
64		-
65	65	== 1.3  Specification ==
66	66
67	67
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83	83	* LoRa Rx current: <9 mA
84	84	* I/O Voltage: 3.3v
85	85
86		-
87	87	== 1.4  AT Command ==
88	88
89	89
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>>https://www.dropbox.com/scl/fi/s3i58dyuh2zpwxfzcks9d/Accuhealth-LA66-AT-commands.pdf?rlkey=059co9isdbddl1h1lb5gy93oy&dl=0]].
	88	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
91	91
	90	+
92	92	== 1.5  Dimension ==
93	93
94	94
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117	117	* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
118	118	* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
119	119
120		-
121	121	== 2.2  How to Compile Source Code for LA66? ==
122	122
123	123
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150	150	(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
151	151
152	152
153		-[[image:image-20230605151850-1.png||height="676" width="640"]]
	151	+[[image:image-20230605151850-1.png]]
154	154
155	155
156	156	[[image:image-20230605151850-2.png]]
157	157
158		-(% style="display:none" %) (%%)
159	159
160	160	(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
161	161
162		-
163	163	**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
164	164
165	165	**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
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177	177	(% style="display:none" %) [[image:image-20230605151850-4.png]]
178	178
179	179
180		-**Add ASR6601 256KB Flash to Flash Download**
	176	+(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
181	181
182	182	[[image:image-20230605152412-12.png]]
183	183
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187	187
188	188	(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
189	189
190		-
191	191	[[image:image-20230605151851-7.png]]
192	192
193	193	[[image:image-20230605151851-8.png]]
194	194
195	195
196		-(% style="color:red" %)**Note: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn't support OTA update.**
	191	+(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
197	197
198	198
199	199	(% style="color:blue" %)**6. Comment the low power function in main.c.**
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228	228	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
229	229	* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
230	230
231		-
232	232	= 4.  FCC Statement =
233	233
234	234