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...	...	@@ -1,5 +1,5 @@
1	1	(% class="wikigeneratedid" %)
2		-**~ Table of Contents:**
	2	+**~ Contents:**
3	3
4	4	{{toc/}}
5	5
...	...	@@ -6,7 +6,6 @@
6	6
7	7	= 1. Introduction =
8	8
9		-
10	10	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
11	11
12	12
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14	14
15	15	== 2.1 LDS01/LWL01 ==
16	16
17		-
18	18	[[Firmware Location>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
19	19
20		-
21	21	(((
22	22	Pin Mapping:
23	23	)))
...	...	@@ -27,19 +27,17 @@
27	27	LDS01/LWL01 Pin Mapping
28	28
29	29
30		-**DAP-Link Connection:**
	27	+DAP-Link Connection:
31	31
32	32	[[image:image-20220527083959-2.png]]
33	33
34	34	Connect DAP-Link
	32	+
35	35
36		-
37	37	== 2.2 LDS02/LWL02 ==
38	38
	36	+[[Firmware Location(same as LDS01)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
39	39
40		-[[Firmware Location(same as LDS01)>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
41		-
42		-
43	43	(((
44	44	Pin Mapping:
45	45	)))
...	...	@@ -49,7 +49,6 @@
49	49	LDS02/LDS02 v2.0 Pin Mapping
50	50
51	51
52		-
53	53	[[image:image-20220527084230-4.png]]
54	54
55	55	LDS02/LDS02 v2.2 Pin Mapping
...	...	@@ -57,9 +57,8 @@
57	57
58	58	== 2.3 LHT52 ==
59	59
	54	+[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
60	60
61		-[[Firmware Location>>https://www.dropbox.com/sh/ayxhuf5dihtfu6c/AABRe_suu54EdTSFZIbD7t-ea?dl=0]]
62		-
63	63	[[image:image-20220527084401-5.png]]
64	64
65	65	LHT52 Pin Mapping
...	...	@@ -69,7 +69,6 @@
69	69
70	70	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
71	71
72		-
73	73	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
74	74
75	75	* Connection method：
...	...	@@ -85,16 +85,14 @@
85	85	[[image:image-20220527084505-6.png]]
86	86
87	87
88		-
89	89	== 3.2 Install PSoCProgrammer 3.27.1 ==
90	90
91		-
92	92	(((
93	93	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
94	94	)))
95	95
96	96	(((
97		-And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %) **must use this version: PSoCProgrammer3.27.1** (%%))
	87	+And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
98	98	)))
99	99
100	100	[[image:image-20220527084537-7.png]]
...	...	@@ -102,13 +102,11 @@
102	102
103	103	== 3.3 Download Sensor Firmware ==
104	104
	95	+Downlink sensor firmware to prepare the update
105	105
106		-Downlink sensor firmware to prepare the update.
107	107
108		-
109	109	== 3.4 Upgrade Firmware ==
110	110
111		-
112	112	Open PSOC Programmer, select the default configuration, no need to modify
113	113
114	114	[[image:image-20220527084612-8.png]]
...	...	@@ -122,7 +122,6 @@
122	122	[[image:image-20220527084739-10.png||height="453" width="1034"]]
123	123
124	124
125		-
126	126	(((
127	127	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.
128	128	)))
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132	132
133	133	[[image:image-20220527084907-12.png]]
134	134
135		-
136	136	(((
137		-(% 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.**
	123	+It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
138	138	)))
139	139
140	140	(((
141		-(% 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.**
	127	+*If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success.
	128	+
	129	+
142	142	)))
143	143
144		-
145	145	= 4. Trouble Shooting =
146	146
147	147	== 4.1 Unable to detect upgrade ==
148	148
149		-
150	150	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
151		-
152		-* Or use (% style="color:blue" %)**AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.
	137	+* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.