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Audio Circuits

Sound to Light Converter Circuit

Last updated on 3 June 2026 by Admin-Lavi Leave a Comment

In this article, the Sound to Light Converter Circuit changes sound into light, as a result, it listens to music and makes the lights flash in sync with the beat. Furthermore, smart components inside the circuit convert changes in sound volume or pitch into variations in light brightness or flashing speed. Circuit Working of Sound […]

Filed Under: Audio Circuits, DIY Projects, LED and Lamps, Transistor Circuits

Hearing Aid Circuit using 1.5V Battery

Last updated on 3 June 2026 by Admin-Lavi Leave a Comment

Hearing Aid Circuit using 1.5V Battery is small sound booster, which helps people with hearing loss and to hear better. Furthermore, it picks the weak sound and makes it louder in earphone, also this circuit works with one 1.5V battery. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt unless specified) […]

Filed Under: Amplifier Circuits, Audio Circuits, Hobby Circuits

Walkie Talkie Circuit

Last updated on 3 June 2026 by Admin-Lavi Leave a Comment

A Walkie Talkie Circuit is a small communication device that allows two people to talk without wires, and it works using radio signals over a short distance. Furthermore, one person can talk while the other listens, but both cannot communicate at the same time; additionally, this project is useful for fun, short-range communication and learning […]

Filed Under: Audio Circuits, DIY Projects

Electronic Drums Simulator Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Do anyone want to play drums but do not have full drum kit? then this Electronic Drums Simulator Circuit can help as it work like small electronic drum. Also, it uses smart parts to make drum sound like kick and snare; sound come from electronics and not from real drum. Furthermore, it can make sound […]

Filed Under: Audio Circuits, DIY Projects, Oscillator Circuits

Microphone Preamplifier Circuit using Two Transistors

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Imagine our voice is a tiny whisper going into a microphone. This Microphone Preamplifier Circuit using Two Transistors works like a small megaphone; it makes the whisper louder so the main amplifier can clearly boost our voice. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt unless specified) 100k 1 120k […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects, Transistor Circuits

“Hee Haw” Siren Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

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. Also, simple electronic components such as resistors, capacitors, transistors and sometimes ICs make up the circuit. The pitch of the sound goes up and down again and again and we […]

Filed Under: Alarm Circuits, Audio Circuits, DIY Projects, Oscillator Circuits, Transistor Circuits

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