DC Motor Speed Control Posted by pittuck on Monday, March 28, 2005 (GST)

A brief introduction to using a H-Bidge IC and a PIC microcontroller to control the speed of a DC motor.

Measuring Light on a PIC 16F62x Posted by BillM on Thursday, March 24, 2005 (GST)

The PIC 16F62X series is a pin-compatible upgrade to the old F84. There are no analogue to digital converters (ADC) as such but it is a simple job to use a comparator, a timer and a few lines of software to make one.

Quick Start Guide to Microcontrollers Posted by pittuck on Friday, March 11, 2005 (GST)

Quick Start Guide to Microcontrollers, how to choose and where to go.

Robot Sonar Posted by BillM on Friday, March 04, 2005 (GST)

A brief introduction to the use of ultrasonics in measuring distances to objects. A circuit for a 4-channel sonar system is described.