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Content

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1	1	(% class="wikigeneratedid" %)
2		-**~ Contents:**
	2	+**~ Table of Contents:**
3	3
4	4	{{toc/}}
5	5
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6	6
7	7	= 1. Introduction =
8	8
	9	+
9	9	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
10	10
11	11
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13	13
14	14	== 2.1 LDS01/LWL01 ==
15	15
	17	+
16	16	[[Firmware Location>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
17	17
	20	+
18	18	(((
19	19	Pin Mapping:
20	20	)))
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33	33
34	34	== 2.2 LDS02/LWL02 ==
35	35
	39	+
36	36	[[Firmware Location(same as LDS01)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
37	37
	42	+
38	38	(((
39	39	Pin Mapping:
40	40	)))
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44	44	LDS02/LDS02 v2.0 Pin Mapping
45	45
46	46
	52	+
47	47	[[image:image-20220527084230-4.png]]
48	48
49	49	LDS02/LDS02 v2.2 Pin Mapping
50	50
51	51
	58	+
52	52	== 2.3 LHT52 ==
53	53
	61	+
54	54	[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
55	55
56	56	[[image:image-20220527084401-5.png]]
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62	62
63	63	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
64	64
	73	+
65	65	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
66	66
67	67	* Connection method：
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79	79
80	80	== 3.2 Install PSoCProgrammer 3.27.1 ==
81	81
	91	+
82	82	(((
83	83	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
84	84	)))
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87	87	And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
88	88	)))
89	89
90		-[[image:https://wiki.dragino.com/images/0/0f/Ppp1.png||alt="Ppp1.png" height="68" width="318"]]
	100	+[[image:image-20220527084537-7.png]]
91	91
92	92
93	93	== 3.3 Download Sensor Firmware ==
94	94
	105	+
95	95	Downlink sensor firmware to prepare the update
96	96
97	97
98	98	== 3.4 Upgrade Firmware ==
99	99
	111	+
100	100	Open PSOC Programmer, select the default configuration, no need to modify
101	101
102		-[[image:https://wiki.dragino.com/images/thumb/9/94/Ppp10.png/600px-Ppp10.png||alt="Ppp10.png" height="198" width="600"]]
	114	+[[image:image-20220527084612-8.png]]
103	103
	116	+
104	104	Click the file icon to select the software to be burned：
105	105
106		-[[image:https://wiki.dragino.com/images/thumb/d/d0/Ppp11.png/600px-Ppp11.png||alt="Ppp11.png" height="218" width="600"]]
	119	+[[image:image-20220527084705-9.png]]
107	107
108		-[[image:https://wiki.dragino.com/images/thumb/e/ec/Ppp12.png/600px-Ppp12.png||alt="Ppp12.png" height="265" width="600"]]
109	109
	122	+[[image:image-20220527084739-10.png||height="453" width="1034"]]
110	110
	124	+
	125	+
111	111	(((
112	112	Click the download icon, and the progress bar as shown in the figure below will appear. When PASS appears, it proves that the burning is successful.
113	113	)))
114	114
115		-[[image:https://wiki.dragino.com/images/thumb/e/e2/Ppp13.png/600px-Ppp13.png||alt="Ppp13.png" height="337" width="600"]]
	130	+[[image:image-20220527084831-11.png]]
116	116
117		-[[image:https://wiki.dragino.com/images/thumb/6/6f/Ppp14.png/600px-Ppp14.png||alt="Ppp14.png" height="338" width="600"]]
118	118
	133	+[[image:image-20220527084907-12.png]]
	134	+
119	119	(((
120	120	It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
121	121	)))
122	122
123	123	(((
124		-*If you change different LoRa Frequency Bands/Region, you need using AT+FDR 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	+
125	125	)))
126	126
127	127	= 4. Trouble Shooting =
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128	128
129	129	== 4.1 Unable to detect upgrade ==
130	130
	149	+
131	131	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
132	132	* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.

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