Industrial

Capacitive Water Level Detection

Nuvoton’s touch solutions provide not only touch functionality but also the ability to detect water levels. Capacitive water level detection is a system product developed by NuMicro® M258SG6AE microcontroller. Functions include 3 capacitive touch sensors, real-time LCD COM/SEG status through LCDView tool, and display of water level detection results. The resolution can detect changes in water level height of 1 cm.

  • Feature
    3 capacitive Touch Key sensor
    Use LCDView tool to emulates real-time LCD COM/SEG status and display water level detection results 
    The resolution can detect changes in water level height of 1 cm 
  • Specifications
    M258 (32-bit Arm® Cortex®-M23)
    - Operating frequency up to 48 MHz
    Touch key controller with high touch sensitivity and high-noise immunity
    - LCD controller with remain display in power down mode 
  • System Block Diagram

7. A001_電容式水位偵測_SC2