Automatic water pump switch using the 555 timer IC. The pump with automatically ON and OFF according to the water level in the tank.
Explore different BC547 projects with circuit diagram, working principle, and other details.
Automatic battery charger circuit for any battery on zero PCB. Make this auto cut-off charger for charging 12V / 6V battery
This is a simple fire detector alarm circuit using BC547 transistor. This fire alarm circuit can easily detect the fire with IR LED and start the buzzer.
This is an automatic street light using LDR and BC547. This automatic street light control system explained with complete circuit diagram & the use of LDR.