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Last modified by Karry Zhuang on 2025/07/03 11:59
From version 49.2
edited by Karry Zhuang
on 2024/04/20 15:29
Change comment: There is no comment for this version
To version 45.3
edited by Karry Zhuang
on 2024/04/20 14:45
Change comment: There is no comment for this version

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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 -
198 -This gas meter uses G2.5 membrane gas meter. It features eight dial numbers for measurement accuracy.
199 -
200 -=== 2.3.2 Fix Sensor to a Gas Meter ===
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 -
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 -
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 -
210 -[[image:image-20240420152258-9.jpeg||height="931" width="698"]]
211 -
212 -(% title="Click and drag to resize" %)​
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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