level sensor

  1. F

    Replace Water Tank Level Indicator

    The water tank level indicator display has broken in my van. There are four resistor-based sensors in the tank and I'd like to replace the display with an lcd or led type designed for batteries. Powering from the 12V nominal lead-acid or LiFePo4 battery (it needs to work for either) in the van I...
  2. T

    FDC1004 water level sensor

    Hi everyone, I wonder if anyone had experience with building capacitive water level sensor that is immersed into water. I've successfully replicated fdc1004 reference design, where sensor is mounted on the wall of the tank, but I have problems making it work on the inside of the tank. Let's...