Projects Projects

Simple DC motor PWM speed control

Simple DC motor PWM speed control

The 555 is ubiquitous and can be used as simple PWM speed control Description The 555 Ic is wired as an astable and the frequency is constant and...


1 comment Not Tested
On-Off Temperature Control

On-Off Temperature Control

This circuit controls a load (in this case a dc brushless fan) based on a temperature compared with a setpoint.


4 comments Not Tested
Sound Level Indicator

Sound Level Indicator

This project uses an LM3915 bar-graph IC driving two sets of ten LEDs for a 30dB range.


7 comments Tested
2500W Phase Control

2500W Phase Control

This circuit controls resistive and inductive loads up to 2,500W.


1 comment Not Tested
BitCake – Electronic Birthday Cake

BitCake – Electronic Birthday Cake

Impress your friend with the ultimate geek’s Birthday Cake!


4 comments Tested
Halloween Scare using 12F683 and ISD2532

Halloween Scare using 12F683 and ISD2532

Introduction Halloween is coming up and it’s time to do some pranks.


0 comments Not Tested
Hand Steadiness Tester

Hand Steadiness Tester

Introduction The Hand Steadiness Tester is a game which tests the steadiness of your hand.


1 comment Not Tested
Bomb Game

Bomb Game

Introduction “Should I cut the blue wire… or the red…?” This is a very common phrase in many movies when the action hero has a bomb in front of him with little time left and he has to choose which wire to cut and stop the bomb from exploding saving millions of people.


10 comments Not Tested
Motion Activated Led Dice

Motion Activated Led Dice

Introduction I’ve always wanted to build an electronic led dice, but something different from what we see on the internet.


1 comment Tested
LED effects

LED effects

Introduction This project I made for my little daughter.


0 comments Not Tested
6V Ultra-Bright LED Chaser

6V Ultra-Bright LED Chaser

General This is a spectacular but completely useless project.


0 comments Tested
High Power LED mood Lamp

High Power LED mood Lamp

Introduction In this page we will introduce a great project designed by Toon Beerten.


11 comments Tested