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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 175.19
edited by Xiaoling
on 2022/06/15 11:08
Change comment: There is no comment for this version
To version 175.24
edited by Xiaoling
on 2022/06/15 11:09
Change comment: There is no comment for this version

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204 204  * Smart liquid control solution.
205 205  * Smart liquefied gas solution.
206 206  
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207 207  == 1.7  Precautions ==
208 208  
209 209  * At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
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210 210  * For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
211 211  * When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
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213 213  == 1.8  Pin mapping and power on ==
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215 215  
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368 368  * If the sensor value is 0x0000, it means system doesn't detect ultrasonic sensor.
369 369  * If the sensor value lower than 0x0014 (20mm), the sensor value will be invalid.
370 370  
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371 371  === 2.3.3  Interrupt Pin ===
372 372  
373 373  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2A0SetInterruptMode"]] for the hardware and software set up.
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499 499  * Solid ON for 5 seconds once device successful Join the network.
500 500  * Blink once when device transmit a packet.
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502 502  == 2.7  ​Firmware Change Log ==
503 503  
504 504  
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519 519  == 2.8  Battery Analysis ==
520 520  
521 521  
522 -
523 -
524 524  === 2.8.1  Battery Type ===
525 525  
526 526  The LDDS20 battery is a combination of a 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.