Soft Touch Designed ON/OFF Toggle Switch

A soft touch switch is illustrated in this project which can set the device ON by pushing once and set the device OFF by pushing again.

RS232 Driver for 3X Stepper Motor Using Stamp II

Simple hardware and software techniques are illustrated in this project wherein 3 common 4-coil stepper motors are driven and controlled using a single Stamp II board.

PWM Controller Based on 555 Timer

The project aims to create a PWM controller that contains a frequency range from about 170 to 200Hz to achieve a pulse width regulation featuring almost 0-100% with a relatively stable oscillator frequency.

Camera Switch with Servo Activated Shutter

The design of this project includes a servo being used for activating the shutter of this camera switch.

Micro-Step Driver for Bipolar Step Motor

The device is designed to use parallel ports in order to connect a bipolar step motor to a personal computer.

Extender/Repeater Device for IR Remote Control

The goal of the project is to show how an IR remote control extender/repeater was built in order for electronic appliances from a remote location to be controlled.