IR CONTROL Using pulsed IR (InfraRed) is a way to provide short distance command and control to a variety of applications. Some advantages ...

Pulse Width Modulation (PWM) is an electronic means of controlling power to a load such as a DC motor, lamp or LED. The basic idea of PWM is...

I call this a digital square wave generator because it does not rely on a potentiometer and a resistor-capacitor circuit to generate square ...

MCU OVERVIEW The FREESCALE MC9S08QD4 is a low cost 8 bit microcontroller available in an 8 pin DIP or SOIC package. It can operate from a ...

PHOTOELECTRIC DEVICES There are several types of devices commonly found in electronics that utilize the photoelectric effect. Some material...