Fun small and Simple Light Dependent Screamer Circuit make sound change with light. It uses LDR like a special resistor which changes with light. More light like sound gets louder or higher. It is called the light dependent screamer. Circuit Working: Parts List: Component Type Value Quantity Resistor 1k 1/4 watt 1 Light Dependent Resistor […]
Audio Circuits
Simple Toy Organ Circuit using IC 555
This is small and Simple Toy Organ Circuit using IC 555. It make sound like music when we press a switch. We used IC 555 in astable mode. When press the different switch it give different sound. This circuit is easy to make and good for beginner. With no need of many parts it is […]
Intercom Circuit
Intercom Circuit is like smart walkie talkie for home use. No need of button it work hands-free with electronics. We talk in mic and it changes voice to electric signal. Amplifier make signal strong. One part stop our own speaker sound, so there is no echo or noise. Same signal goes to other unit and […]
Walkie Talkie Circuit
Walkie Talkie Circuit is small device for talking. Two people can talk without wire. It work with radio signal with short distance only. One person can talk and other can listen but not both at the same time. This project is good for fun, small chat and learning electronics. Circuit Working: Parts List: Category Component […]
Electronic Drums Simulator Circuit
Do anyone want to play drums but do not have full drum kit? This Electronic Drums Simulator Circuit work like small electronic drum. It uses smart parts to make drum sound like kick and snare. Sound come from electronics and not from real drum. Can make sound using things like relaxation oscillator like build and […]
“Hee Haw” Siren Circuit
The “Hee Haw” Siren Circuit is a fun sound project that makes a high and low noise like “Hee Haw” instead of one long sound. It is made using simple electronic parts like resistors, capacitors and transistors or sometimes ICs. The pitch of the sound goes up and down again and again. We can find […]