Light Fence circuit
Simple Light Fence circuit and this circuit can be used for security purpose, by implementing light fence at the entrance …
Variable LED flasher
This is single IC LM3909 variable LED flasher circuit, and it needs only 1.5 volts for operation, we can vary the …
Astable multivibrator
Simple Astable multivibrator circuit designed by using timer IC 555. Components List S.No Name Quantity 1. IC 555 1 2. …
Simple FM transmitter
Simple FM transmitter circuit made with few easily available components, This Frequency Modulation reaches several meters to kilo meter with …