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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 50.1
edited by Karry Zhuang
on 2024/04/20 15:31
Change comment: Uploaded new attachment "image-20240420153139-10.png", version {1}
To version 47.1
edited by Karry Zhuang
on 2024/04/20 15:23
Change comment: Uploaded new attachment "image-20240420152258-9.jpeg", version {1}

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108 108  == 2.2 Calibration power meter ==
109 109  
110 110  
111 -== 2.1 Calibrate a Power Meter ==
111 +== 2.1 Calibrate a Water Meter ==
112 112  
113 113  === 2.2.1 Introduce ===
114 114  
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140 140  
141 141  Next, select a Baud rate of 921600 and click on "start". Then, click on "show full image" to display the camera screen.
142 142  
143 -(% aria-label="image-20240419174908-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174908-5.png||data-widget="image" height="491" width="406"]][[image:image-20240420135207-3.png||height="485" width="706"]]
143 +(% aria-label="image-20240419174908-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174908-5.png||data-widget="image" height="491" width="406"]][[image:image-20240420135207-3.png||height="450" width="654"]]
144 144  
145 145  Click "enable Raw" and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
146 146  
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193 193  
194 194  == 2.3 Calibration gas meter ==
195 195  
196 -=== 2.3.1 Introduce ===
197 197  
198 -This gas meter uses G2.5 membrane gas meter. It features eight dial numbers for measurement accuracy.
199 199  
200 -=== 2.3.2 Fix Sensor to a Gas Meter ===
201 201  
202 -Do the following with EVB_Board
203 -Debug Board SW12=[off on] : FT4222H SPI Slave mode
204 -AIoT Board SW123456=[off off off off off off]
205 205  
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" %)​
207 207  
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.
209 209  
210 -[[image:image-20240420152258-9.jpeg||height="931" width="698"]]
211 211  
212 -(% title="Click and drag to resize" %)​
213 213  
214 -=== 2.1.3 Calibration ===
215 -
216 -Perform a power reset on the EVB board, making sure to close the ota.exe program before opening HMX_FT4222H_GUI.exe.
217 -
218 -(% class="box warningmessage" %)
219 -(((
220 -(% class="mark" %)Note: before you start the software (%%)HMX_FT4222H_GUI.exe(% class="mark" %). you must pre-install the visualcppredist_aio_x6_x64_v42.exe configuration environment. Otherwise, an error pop-up window occurs when running software.
221 -)))
222 -
223 -(% aria-label="1713519971789-213.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1713519971789-213.png||data-widget="image"]](% title="Click and drag to resize" %)​
224 -
225 -Next, select a Baud rate of 921600 and click on "start". Then, click on "show full image" to display the camera screen.
226 -
227 -(% aria-label="image-20240419174908-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20240419174908-5.png||data-widget="image" height="491" width="406"]][[image:1713598021017-402.png]]
228 -
229 -Click "enable Raw" and save the BMP image in the "Save" folder. This step is necessary to obtain the coordinate points of the watch face.
230 -
231 -[[image:1713592384928-500.png||height="494" width="266"]][[image:1713598094208-496.png||height="494" width="790"]]
232 -
233 -This power meter has eight fields, and the coordinates of the digital roulette wheel are shown in the figure.
234 -
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.
236 -
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"]]
238 -
239 -
240 -
241 -
242 -
243 243  == 2.4 Digital wheel dial take point coordinate diagram ==
244 244  
245 245  4  numbers：
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