Projects Projects
50W Power Amplifier with LM3886
This project is an audio amplifier based on LM3886.
Audio Power Amplifier with TDA2050
This project is an audio amplifier based on TDA2050 and LM1875.
3 Tone Siren
This project is a 3 tone siren based on UM3561 IC.
5W Stereo Audio Amplifier
This project is a 5W Stereo Audio amplifier based on BA5406.
20W Audio Amplifier
This project is a 20W Audio amplifier based on LM1875.
Voice Echo
This project is a Voice echo module with build-in amplifier and on-board mic.
Digitally Controlled 2.1 Channel Analog Audio Power Amplifier
This article introduces high quality digitally controlled 2.1 channel analog audio power amplifier system.
60 seconds Voice Record – Playback module
This project is a 60 seconds voice record – playback module.
3 Tone Musical Bell
This project is a 3 tone musical bell.
12W Audio Amplifier
This project is intended for use as low frequency class AB audio amplifier.
Voice Modulator (Sound Effects – Funny Sound)
Voice Modulator project is designed around HT8950A to provide two special sound effects viz.
Tape Head Pre-Amplifier
This project is a tape head Pre-Amplifier circuit.