Posts

Servicing Heathkit IO-12 Oscilloscope

Mini Sudoku for Windows

12V DC to 230V AC Inverter

Automated Home Security System

20W Hi-Fi Audio Power Amplifier

Low Dropout Single Rail Adjustable Power Supply Unit

AT89S52 base RPM counter

PHPhD – Server side hardware port access extension for PHP

Low Cost and High Quality Stereo FM Radio Receiver

433MHz RF remote control system for RC Cars

Finding electronic parts and instruments in Sri Lanka

Compact logic probe with pulser

1.5A - 3V to 27V adjustable power supply using LM723

PS/2 Keyboard driven Morse code Generator

User Programmable Automatic Night Light

3.3V – 1.5A Compact Power Supply Unit

Automated Telephone Remote Control – Demonstration

Low cost and low power VIA PC-1 Series mainboards

Prithvi Development Studio for PIC Microcontrollers

Simple ATMEL AVR – Programmer