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35	35	Use a hot glue gun and several sticks to attach a triangle for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the water meter.
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37		-(% aria-label="image-20240419173432-1.jpeg image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419173432-1.jpeg||data-widget="image" height="757" width="757"]](% title="Click and drag to resize" %)​
	37	+[[image:image-20240420154605-14.jpeg||height="903" width="903"]](% title="Click and drag to resize" %)​
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39	39
40	40	=== 2.1.3 Calibration ===
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65	65	(% aria-label="1713573839396-314.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713573839396-314.png||data-widget="image" height="198" width="649"]](% title="Click and drag to resize" %)​
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67		-The computer's drawing tool should be used to open the most recent bmp image and get the coordinates of the digital wheel dial, as shown in the picture below. Also, we need to obtain each coordinate point of the current dial following the format of said digital wheel dial. It's important to note that the (x,y) coordinate of the mouse on the image corresponds to its bottom left corner.
	67	+The computer's drawing tool can be used to open the latest bmp image and get the coordinates of the digital wheel dial, as shown below. Based on the format of the digital wheel dial, we can obtain each coordinate point of the current use dial. The (x,y) coordinate on the image is located at the bottom left corner.
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69	69	(% aria-label="1713574859715-722.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713574859715-722.png||data-widget="image" height="481" width="576"]](% title="Click and drag to resize" %)​
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153	153	(% aria-label="image-20240420094632-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240420094632-13.png||data-widget="image" height="148" width="588"]]
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155		-The computer's drawing tool should be used to open the most recent bmp image and get the coordinates of the digital wheel dial, as shown in the picture below. Also, we need to obtain each coordinate point of the current dial following the format of said digital wheel dial. It's important to note that the (x,y) coordinate of the mouse on the image corresponds to its bottom left corner.
	155	+The computer's drawing tool can be used to open the latest bmp image and get the coordinates of the digital wheel dial, as shown below. Based on the format of the digital wheel dial, we can obtain each coordinate point of the current use dial. The (x,y) coordinate on the image is located at the bottom left corner.
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157	157	[[image:image-20240420153316-11.png||height="569" width="755"]]
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206	206	(% aria-label="image-20240419174248-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174248-4.png||data-widget="image" height="419" width="419"]](% style="background-image: url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background: rgba(220, 220, 220, 0.5); display: none; background-image: url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background: rgba(220, 220, 220, 0.5); display: none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(%%) (% aria-label="image-20240419174159-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174159-3.png||data-widget="image" height="420" width="556"]](% title="Click and drag to resize" %)​
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208		-Use a hot glue gun and several sticks to attach a triangle for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the water meter.
	208	+Use a hot glue gun and several sticks to attach  for stabilizing the AIS. Adjust the height of the sticks so that the AIS can clearly view the numbers on the gas meter.
209	209
210	210	[[image:image-20240420152258-9.jpeg||height="931" width="698"]]
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231	231	[[image:1713592384928-500.png||height="494" width="266"]][[image:1713598094208-496.png||height="494" width="790"]]
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233		-This power meter has eight fields, and the coordinates of the digital roulette wheel are shown in the figure.
	233	+This gas meter has eight fields, and the coordinates of the digital roulette wheel are shown in the figure.
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235	235	If your device's digital scroll wheel dial does not match these eight fields, you can try the other field dial coordinate dot plots in 2.4.
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237	237	(% aria-label="image-20240420094632-15.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240420094632-15.png||data-widget="image" height="113" width="542"]]
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239		-(% id="cke_bm_196694S" style="display:none" %) (%%)The computer's drawing tool should be used to open the most recent bmp image and get the coordinates of the digital wheel dial, as shown in the picture below. Also, we need to obtain each coordinate point of the current dial following the format of said digital wheel dial. It's important to note that the (x,y) coordinate of the mouse on the image corresponds to its bottom left corner.
	239	+(% id="cke_bm_196694S" style="display:none" %) (%%)The computer's drawing tool can be used to open the latest bmp image and get the coordinates of the digital wheel dial, as shown below. Based on the format of the digital wheel dial, we can obtain each coordinate point of the current use dial. The (x,y) coordinate on the image is located at the bottom left corner.
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241	241	[[image:image-20240420153139-10.png||height="530" width="710"]]
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249	249	The "Digit wheel" option is the digital wheel dial.
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251		-Now we are calibrating the digital wheel face of the power meter. Here we select "digit wheel".
	251	+Now we are calibrating the digital wheel face of the gas meter. Here we select "digit wheel".
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253	253	(% aria-label="1713576691266-408.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713576691266-408.png||data-widget="image"]]
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273	273	After the calibration process is completed, it can be observed that the obtained reading aligns consistently with the numerical value displayed on the digital wheel dial.
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275		-[[image:1713598887495-423.png]]
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277	277	== 2.4 Digital wheel dial take point coordinate diagram ==
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