In this 555 timer project, I have shown how to make a time delay relay circuit using 555 timer IC to automatically turn Off the switch after a predefined delay.…
Explore different BC547 projects with circuit diagram, working principle, and other details.
Make Water Level Indicator with Buzzer using only BC547 transistor on Zero PCB. Download Circuit Diagram, PCB Layout for this project.
Make an automatic water level controller for submersible pump using the 555 timer IC. Explained with Circuit and working.
How to make a Music Rhythm LED Flash Light circuit using the BC547, TIP122, and Microphone with circuit diagram and working principle.
In this 4017 project, I have shown how to make a motion sensor light switch using the CD4017 IC and IR proximity sensor with circuit.
Automatic water pump switch using the 555 timer IC. The pump with automatically ON and OFF according to the water level in the tank.
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.