Automatic Door Bell System With Auto Detection || Code & Circuit || Proteus Simulation

[@zafarullah9841]

Masha Allah, the way of explaining is very good and try to continue it in the future.

[@thebrightlight9472]

Thanks

[@arifullah4838]

Sir G

[@thebrightlight9472]

😊

[@firdoshdiakus4841]

What is the distance of this sensor ?

[@thebrightlight9472]

You can adjust its distance using Variable resistor mounted on the sensor. Also you can replace the sensor with other sensors as well.