Projects Projects
3V LED Chaser
General There are many 9V chaser circuits that seem to waste about 7V when driving LEDs that are only about 2V.
Motorcycle Universal Gear Indicator
Introduction This is a new design for a universal gear indicator that can be fitted to any motorcycle as an aftermarket accessory.
PIC16F84A discolight effect with bass beat control
This is an early picture of my discolight effect.
Synchronized multi-spark module (SMSM) for Electronic Ignition Devices (EID)
Multi-spark ignition is very useful especially in the case of startings at low temperature and at low rpm range.
Nite Rider Lights
Description The circuit is drawn with PCB 123 which you can download for free from http://www.pcb123.com As a keen cyclist I am always looking for ways to be seen at night.
Simple but reliable car battery tester
This circuit uses the popular and easy to find LM3914 IC.
Automotive 12V to +-20V converter (for audio amplifier)
The limitation of car supply voltage (12V) forces to convert the voltages to higher in order to power audio amplifiers.
Car battery Indicator
Description This is a really useful instrument for your car.
5.5W – 2 Channel Audio Amplifier
This project is a 5.5W – 2 Channel Audio Amplifier based on LA4445 IC.
14W Stereo Audio Amplifier
This project is a 14W Stereo Audio Amplifier based on LM4730 IC.
Mini Audio Amplifier
This project is a mini Audio Amplifier based on LM386 IC.
MIC Pre-amplifier
This project is a microphone pre-amplifier based on LM358.