Awasome How To Make Water Level Indicator At Home References. Simple water level indicator alarm or simple transistor based water level indicator circuit is very useful to indicate the water levels in a tank.whenever a tank gets filled,. The diy pcb for water level sensor is ready.

182.88 / 7 = 26.12 cm. Therefore you have to mark points at intervals of 26.12 cm. Setting up the water level use 50 to 100 feet (15 to 30 m) of tubing with a 5⁄ 16 in (0.79 cm) diameter.