Projects Projects
1 to 100 Seconds Timer
This project is a 1 to 100 Seconds Timer based on 555 IC Description This project is a timer project and build around popular 555 Timer IC, It can be used for all application required a delay of up to 100 Seconds.
Long Duration Timer
This project is a long duration timer based on 555 timer IC.
Pulse generator
Description Pulse Generator project will generate a frequency in up to 180 KHz which can form a good test gear project.
230V Blinking LED
Attention: This Circuit is using 230V that is lethal.
10W Stereo Audio Amplifier
This project is a 10W Stereo Audio Amplifier based on TDA1521 IC.
Adjustable High/Low Frequency Sine wave generator
Adjustable High/Low Frequency Sine wave generator, low distortion.
6.5W Stereo Audio Amplifier
This project is a 6.5W Stereo Audio Amplifier based on TDA2004 IC.
Mini Stereo Audio Amplifier
This project is a Mini Stereo Audio Amplifier based on TDA2822 IC.
Digital Stopwatch 0-60sec
Introduction By using the same circuit of the Digital Stopwatch 0-99sec , we can add an AND gate, and transform the 0 99sec stopwatch to a 0 60sec stopwatch.
Digital Stopwatch 0-99sec using digital ICs
Introduction In the present article, we will describe the function of a digital stopwatch, 0 99 sec.
2 Channel Relay Board
This project is a 2 Channel Relay Board.
LED VU Meter with LM3916
This project is a LED VU meter based on LM3916.