Blog Archives
Posted on 18 Jul 2008
The purpose of this timer is to provide a countdown time from 1 second to 99 minutes & 59 seconds. It used to control the lighting for the Ultra-Violet exposure of photosensitive PCB material. The project provides also an audible alarm at the end of the countdown time and switches the UV lights by means of a relay. It is based on a Microchip microcontroller, the 18 pin PIC16F84(A). There are 15 different modes to program countdown times.[more]
Posted on 18 Jul 2008
The PIC Based servo controller is a small project designed to control some robotics.The Servo Controller uses a PIC16F84 microcontroller from Microchip to drive servo motors and digital outputs. It receives commands from a host computer via a standard RS232 serial interface.[more]
Posted on 16 Jul 2008
Cerberes is a small three wheel robot that avoids obstacles which it senses with its active infrared sensors.Each rear wheel has its own motor, the single front wheel is not powered. The robot steers “like a tank” by rotating the rear wheels in opposite direction.The sensors are built with infrared LEDs which are running at 36kHz and two 36 kHz remote control receiver modules.When the 36 kHz infrared light from the LEDs is reflected by an object, one of the receiver modules will be triggered, and the PIC16F84 µController will steer the ROBOT away from the objects by reversing one of the motors. [more]
Posted on 28 Jun 2008
Here is a modded IKEA lamp based on PIC16F84 from Micrcochip.The light bulb is 1-watt RGB led driven by Microchip PIC16F84.The device includes a 1-wire thermometer and an ethernet interface (with a TCP/IP stack).There are two modes:First, Thermometer mode: lamp changes its color depending on the ambient temperature and the second is Ethernet mode: one can remotely control the color of the lamp.[more]
Posted on 24 Jun 2008
This is a nice analog clock based on PIC16F84.The meter control by pulse width modulation (PWM). It consists of three analog meters with scales that went from 1-12, 0-59, and 0-59 and indicated hours, minutes, and seconds respectively.[more]
