I have installed an ultrasonic sensor to get water levels from my water tank. The way that the card works is the greater the distance (tank approaches empty) the arrow pointsvmore to the right. Ideally I would like it to work like the fuel gauge on my vehicle. That is to say when the tank is full the arrow on the gauge card shoul point to the right, then gradually move to the left as the tank empties. Any help would be appreciated.
#Gauge card invert display
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