THE DOUBLE FLOAT MASTER PUMP SWITCH has an enhanced pumping range of 3" to 48". It consists of two narrow-angle mechanical floats and a splice tube. The tube contains a holding relay which enables the ...

Automatic Water Tank Pump Switch Hardware • Microcontroller Unit: The designed circuit shown here includes an Atmega328P-PU as the kernel, a number of LEDs to display the system status, a push button ...