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