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1		-Operating instructions for BLE indoor positioning
	1	+Example of BLE indoor positioning python

Content

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1		-(% class="wikigeneratedid" %)
2		-**Table of Contents:**
3		-
4		-{{toc/}}
5		-
6		-
7		-
8		-
9		-= 1. Operating instructions for BLE indoor positioning =
10		-
11		-
12		-== Step 1: open the application ==
13		-
14		-
15		-(% style="color:blue" %)**Enter the following information：**
16		-
17		-(% style="color:#037691" %)**Subscribe to topics：**(%%)**MQTT Subscription Topic of TTN-V3**
18		-
19		-**Example: **v3/litest@ttn/devices/eui-70b3d57ed0058a17/up
20		-
21		-* v3: Unchanging
22		-
23		-* litest@ttn:'litest' is the ID of the application, '@ttn' unchanging.If you use your own TTN platform, @ ttn doesn't need
24		-
25		-* devices: Unchanging
26		-
27		-* eui-70b3d57ed0058a17: End device ID
28		-
29		-* Up: Unchanging
30		-
31		-(% style="color:#037691" %)**server address：**(%%)**Server address of TTN-V3()**
32		-
33		-(% style="color:#037691" %)**Application ID：**(%%)**Application ID of TTN-V3()**
34		-
35		-(% style="color:#037691" %)**APIKEY：  **(%%)**APIKEY of your own account()**
36		-
37		-
38		-[[image:image-20221221144423-1.png]]
39		-
40		-
41		-[[image:image-20221221144423-2.png||height="534" width="1081"]]
42		-
43		-
44		-[[image:image-20221221144423-3.png]]
45		-
46		-
47		-== Step 2: Click the save button after writing ==
48		-
49		-
50		-[[image:image-20221221144423-4.png]]
51		-
52		-
53		-(% style="background-color:yellow" %)**Warning:**
54		-
55		-When the save button is pressed, it cannot be pressed again to prevent data confusion.
56		-
57		-If you want to modify the subscription topic, you need to restart the application.
58		-
59		-
60		-== Step 3: Click the location button ==
61		-
62		-
63		-Just press once
64		-
65		-[[image:image-20221221144423-5.png]]
66		-
67		-
68		-When the BLE node sends information, the application will display the located base station.
69		-
70		-
71		-== Step 4: About how to set the base station point and insert the floor plan ==
72		-
73		-
74		-Place the floor plan in the same path as the python script
75		-
76		-Change the file name to office_ map(The picture pixel is 800x600)
77		-
78		-[[image:image-20221221144423-7.png]]
79		-
80		-
81		-(% style="color:blue" %)**Open source code**
82		-
83		-[[image:image-20221221144423-8.png]]
84		-
85		-
86		-(% style="color:blue" %)**Remove comments**
87		-
88		-[[image:image-20221221144423-9.png]]
89		-
90		-
91		-(% style="color:blue" %)**Run Script**
92		-
93		-The cursor position is the data pointed by the arrow, x=323 y=503
94		-
95		-[[image:image-20221221144423-10.png]]
96		-
97		-cv. create_ Image is changed to (323,483)~-~-(x y-20 above)
98		-
99		-cv. create_ Image is changed to (323,503)~-~--(x y above)
100		-
101		-[[image:image-20221221144423-11.png]]
102		-
103		-
104		-
105		-After clicking Save, a (% style="color:blue" %)**log.txt** (%%)will be generated in the same directory as the script
106		-
107		-[[image:image-20221221144423-12.png]]
108		-
109		-
110		-[[image:image-20221221144423-13.png||height="176" width="1080"]]
111		-
112		-
113		-(% style="color:blue" %)**Back to script**
114		-
115		-Modify (% style="display:none" %) (%%)the data obtained in (% style="color:blue" %)**log.txt**(%%) to the script
116		-
117		-(% style="color:#037691" %)**“0” Changed to “10006”**
118		-
119		-(% style="color:#037691" %)**“60245” Changed to “79”**
120		-
121		-[[image:image-20221221144423-14.png]]
122		-
123		-
124		-== Step 5: Package the py file into an exe ==
125		-
126		-
127		-(% style="color:blue" %)**Step 1：**(%%)Installing the pyinstaller module
128		-
129		-(% style="color:blue" %)**Step 2：**(%%)Open cmd and switch to the directory where the script is located
130		-
131		-[[image:image-20221221144423-15.png]]
132		-
133		-
134		-(% style="color:blue" %)**Step 3：**(%%)Enter the following command
135		-
136		-[[image:image-20221221144423-16.png]]
137		-
138		-
139		-See the following certificate packaging completed.
140		-
141		-[[image:image-20221221144423-17.png]]
142		-
143		-
144		-The following files will be generated in the same directory of the script.
145		-
146		-In addition to dist, the other two files can be deleted.
147		-
148		-[[image:image-20221221144423-18.png]]
149		-
150		-(% style="color:blue" %)**Finally**(%%), put the office_ Map.png and icon.png Put the into the dist folder.
151		-
152		-Just run the program in dist.
153		-
154		-