Last modified by Mengting Qiu on 2025/04/21 17:48
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1 (% class="wikigeneratedid" %)
2 **Table of Contents：**
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4 {{toc/}}
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6
7
8 = 1. Overview =
9
10
11 There are some new models of Dragino sensors support BLE remote configure. User can use mobile phone to configure the sensor via BLE.
12
13
14 = 2. Support Models & Firmware =
15
16 == 2.1 Hardware Models ==
17
18
19 Here list the models that support BLE and the method to activate BLE function.
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26 (% border="1" cellspacing="5" class="doOddEven filterable grid sortable" id="tableid" style="background-color:#f2f2f2; width:959px" %)
27 (% class="sortHeader" %)|=(% style="width: 237px; background-color: rgb(217, 226, 243);" %)Models|=(% style="width: 544px; background-color: rgb(217, 226, 243);" %)BLE Activate Method|=(% style="width: 175px; background-color: rgb(217, 226, 243);" %)**Comments**
28 |(% style="width:237px" %)(((
29 All NB-IoT /LTE-M models with BLE support
30
31 Normally Suffix -NB / -NS, -CB/-CS
32 )))|(% style="width:544px" %)(((
33 Device is battery power type and BLE will be only activate on below case:
34
35 * Press button to send an uplink
36 * Press button to active device.
37 * Device Power on or reset.
38
39 If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode
40 )))|(% style="width:175px" %)
41 |(% style="width:237px" %) |(% style="width:544px" %) |(% style="width:175px" %)
42
43 == 2.2 Where to find firmware ==
44
45
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47 User can find the firmware in the[[** Product Share directory**>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/ABer5TZbrpkmqNh-B8FO2qc?rlkey=ojjcsw927eaow01dgooldq3nu&e=4&st=gv1vtrbj&dl=0]].
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50 The product firmware of -NB model can be found in the NB-IoT directory, and the product firmware of -CB model can be found in the LTE-M directory.
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52 (% class="wikigeneratedid" %)
53 [[image:image-20250421174149-1.png||height="138" width="273"]]
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56 There are two kind of firmware:
57
58 * **.bin** : original firmware file.
59 * **.hex** : file with control / meta info.
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62 Please note that user needs to use (% class="mark" %)**.bin**(%%) file for update.
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64 (% class="wikigeneratedid" %)
65 The **.bin** firmware of the -NB model products is placed in the (% class="mark" %)BC660 Wireless upgrade NB & NS firmware(%%) directory of each product.
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67 (% class="wikigeneratedid" %)
68 [[image:image-20250421174358-3.png||height="82" width="449"]]
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70 (% class="wikigeneratedid" %)
71 The** .bin** Firmware of the CB model products is placed in the (% class="mark" %)BG95M2_M3 CB & CS Bluetooth Upgrade Firmware(%%) directory of each product.
72
73 (% class="wikigeneratedid" %)
74 [[image:image-20250421174326-2.png||height="77" width="396"]]
75
76 (% style="color:red" %)**Note: Using Dragino Sensor Management Tool to upgrade firmware only supports burning firmware without bootloader. If the firmware with bootloader is burned, the node will always restart after running.**
77
78
79 = 3. How to use PC to upgrade via BLE? =
80
81
82 (% class="lead" %)
83 (% style="color:blue" %)**Step1:**(%%)** Connect a BLE USB to TTL Host into PC**
84
85 Below is the example BLE to USB TTL adapter. Insert it to PC
86
87 [[image:image-20230601152950-4.png]]
88
89
90 (% class="lead" %)
91 (% style="color:blue" %)**Step2:**(%%)**  Modify Bluetooth host parameters to support Dragino Sensor Management Tool** **v1.4**
92
93 The default baudrate of the general Bluetooth host is 9600, we can use the three commands: **AT+BAUD7; AT+TIMEINQ40; AT+RESET** to change the baudrate of the Bluetooth host to 115200, in order to support the use of Dragino Sensor Management Tool V1.4 to download the firmware faster.
94
95 If your Bluetooth host's baud rate is already 115200, please refer to (% style="color:blue" %)**Step3**(%%) directly.
96
97 * Check if the Bluetooth host is functioning properly.
98
99 Open the serial assistant and send **AT+INQ** (remember to bring carriage return and line feed).
100
101 Seeing this interface proves that the host is working properly:
102
103 [[image:image-20240912174330-9.png||height="528" width="674"]]
104
105 * Connect to Bluetooth host through serial port and send **AT+BAUD7; AT+TIMEINQ40; AT+RESET** successively, confirm that each command returns OK, and finally disconnect the serial port connection.
106
107 An example diagram is as follows:
108
109 [[image:image-20240912174428-10.png||height="554" width="704"]]
110
111 (% style="color:red" %)**Note:**
112
113 (% style="color:red" %)**1. Because the baudrate of the unmodified Bluetooth host is 9600, the serial port baud rate needs to be selected 9600 when sending the above three instructions.**
114
115 (% style="color:red" %)**2. These commands need to be used only once. After successful modification, the Bluetooth host baud rate is changed to 115200 and this change is maintained.**
116
117 * If the serial command sending fails, please modify the sending settings of the serial assistant as below:
118
119 [[image:image-20240912174714-12.png||height="529" width="669"]]
120
121
122 (% class="lead" %)
123 (% style="color:blue" %)**Step3:**(%%)** Download Dragino Sensor Management Tool**
124
125 **[[Download URL >>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&dl=0]]**
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127
128 (% class="lead" %)
129 (% style="color:blue" %)**Step4:**(%%)** Update .bin Firmware**
130
131 (% style="color:red" %)**Note: Before upgrading, it is necessary to ensure that the baud rate of the Bluetooth host is 115200(Refer to Step 2).**
132
133 * Select the** **Dragino Sensor Management Tool parameter:
134
135 [[image:image-20240912165247-1.png]]
136
137 * Before clicking "Start", make sure that the switch of the node is in **FLASH**.
138
139 [[image:image-20240912170209-3.png||height="351" width="616"]]
140
141
142 * Click "Start", then reset the node, and the node's Bluetooth will turn on. Dragino Sensor Management prints the Bluetooth information searched by the Bluetooth tool.
143
144 The following screen indicates that the Bluetooth host has successfully connected to the node and started the upgrade
145
146 [[image:image-20240912171847-5.png]]
147
148 (% style="color:red" %)**Note:**
149
150 1. (% style="color:red" %)**Reset the node: Hold down the ACT key for 3s or press the Reset key to reset the node, then  the node's Bluetooth will turn on.**
151 1. (% style="color:red" %)**If the node has been restarted before the upgrade, wait two minutes before the upgrade.**
152 1. (% style="color:red" %)**The Bluetooth of the node will be enabled for 8~~15seconds. If the operation is not timely, reset the Bluetooth tool and node again.**
153 1. (% style="color:red" %)**Ensure that the IMEI entered is correct, and the firmware upgrade will only be performed when the Bluetooth host scans the Bluetooth of the corresponding node.**
154
155 [[image:image-20240912092847-6.png]]
156
157 * Successful firmware upgrade will print “Upgrade Successful”.
158
159 [[image:image-20240912170859-4.png]]
160
161
162
163 = 4. Access Password and Command =
164
165
166 Each device is shipped with a label as below include (% style="color:blue" %)**6 chars AT PIN**(%%). this is the PIN to access the console of sensor.
167
168 For AT Commands list please refer user manual for each sensor.
169
170 [[image:image-20240204111847-1.png]]
171
172
173 = 5.FAQ =
174
175 == 5.1 What should I do if the upgrade process is automatically interrupted? ==
176
177
178 Example:
179
180 [[image:image-20240912172143-6.png||height="445" width="460"]]
181
182 **How to operate:**
183
184 1. After the upgrade is interrupted, you need to close the wireless upgrade tool and reopen it later.
185
186 2. Before restarting the upgrade, you need to reset the Bluetooth host, otherwise the upgrade may not be possible.
187
188 * If your Bluetooth host has a RESET button, you can use the RESET button to reset it.
189 * If your Bluetooth host does not have a RESET button, you can directly unplug the Bluetooth tool from the computer to power it off, and then reconnect it to the computer.
190
191 == 5.2 Why does the node keep resetting even though the firmware upgrade is successful? ==
192
193
194 If the user burns the firmware with a boot loader, the following situation may occur.
195 Therefore, users need to select firmware without boot loader when burning firmware.
196
197 [[image:image-20240913172520-1.png||height="640" width="803"]]
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