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Content

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27	27	LDS01/LWL01 Pin Mapping
28	28
29	29
30		-**DAP-Link Connection:**
	30	+DAP-Link Connection:
31	31
32	32	[[image:image-20220527083959-2.png]]
33	33
34	34	Connect DAP-Link
	35	+
35	35
36		-
37	37	== 2.2 LDS02/LWL02 ==
38	38
39	39
40		-[[Firmware Location(same as LDS01)>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
	40	+[[Firmware Location(same as LDS01)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
41	41
42	42
43	43	(((
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46	46
47	47	[[image:image-20220527084041-3.png||height="378" width="907"]]
48	48
	49	+LDS02/LDS02 v2.0 Pin Mapping
49	49
50	50
51	51
52		-**LDS02/LDS02 v2.0 Pin Mapping**
53		-
54		-Connector Type: 2.0mm pitch, 2 x 3
55		-
56	56	[[image:image-20220527084230-4.png]]
57	57
58	58	LDS02/LDS02 v2.2 Pin Mapping
59	59
60	60
61		-== 2.3 LHT52/PB01 ==
62	62
	59	+== 2.3 LHT52 ==
63	63
64		-[[Firmware Location>>https://www.dropbox.com/sh/ayxhuf5dihtfu6c/AABRe_suu54EdTSFZIbD7t-ea?dl=0]]
65	65
	62	+[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
	63	+
66	66	[[image:image-20220527084401-5.png]]
67	67
68	68	LHT52 Pin Mapping
69	69
	68	+
70	70	= 3. How to Upgrade =
71	71
72	72	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
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87	87	[[image:image-20220527084505-6.png]]
88	88
89	89
90		-
91	91	== 3.2 Install PSoCProgrammer 3.27.1 ==
92	92
93	93
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96	96	)))
97	97
98	98	(((
99		-And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %)**must use this version: PSoCProgrammer3.27.1** (%%))
	97	+And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
100	100	)))
101	101
102	102	[[image:image-20220527084537-7.png]]
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105	105	== 3.3 Download Sensor Firmware ==
106	106
107	107
108		-Downlink sensor firmware to prepare the update.
	106	+Downlink sensor firmware to prepare the update
109	109
110	110
111	111	== 3.4 Upgrade Firmware ==
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134	134
135	135	[[image:image-20220527084907-12.png]]
136	136
137		-
138	138	(((
139		-(% style="color:red" %)**It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode.**
	136	+It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
140	140	)))
141	141
142	142	(((
143		-(% style="color:red" %)**If you change different LoRa Frequency Bands/Region, you need using **(% style="color:blue" %)**AT+FDR **(% style="color:red" %)**command to restore factory data after program success.**
	140	+(% style="color:red" %)If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success.
	141	+
	142	+
144	144	)))
145	145
146		-
147	147	= 4. Trouble Shooting =
148	148
149	149	== 4.1 Unable to detect upgrade ==
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150	150
151	151
152	152	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
153		-
154		-* Or use (% style="color:blue" %)**AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.
	151	+* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.