555 timer circuit ⁽⁵⁾

Circuit Diagram Working Here is a simple water level controller project using the 555 timer ic which will monitor the overhead tank. It will automatically switch on the motor when the level of water falls below the predetermined bottom level and switches off the motor…

A timer circuit is used to generate an output pulse after a given period of time. This time can be in the order of seconds or minutes. The length of the output pulse can be varied by changing the frequency at which the clock signal…

Circuit Diagram Parts Required DB1 - W04 or Db107 (Bridge Rectifier) 9V to 18V AC - Step Down Transformer, 200 to 500mA Capacitor: C1 - 220uf / 40V C2 - 0.001uF (ceramic or polyester) - 102 Diode: IN4007 Resistor: (All 1/4W) R1, R5 - 4.7K…

A semi-automatic water level controller circuit is used for automatically controlling the level of water in a tank and avoid overflowing. This circuit is made up of a sensor, timer chip, relay, pump driver and power supply. The sensor senses the water level in the tank…

Circuit Diagram Parts Required The circuit shown in the presentation will sound an alarm endlessly until the circuit is switched off. The circuit shown at the top of this page is used to cut off the alarm automatically after a few seconds or minutes. Alarm…