VHF Aircraft radio communications receiver

Simple Automatic Car Battery Charger

Homebrew 5 element Yagi antenna for 144MHz

Simple CMOS FSK modem

Optically controlled servo motor

Digitally controlled 2.1 channel analog audio power amplifier

Trio JR-310 and TX-310 restoration project

Eddystone EC10 communication receiver restoration and PSU add-in

Panasonic RX-5090T power amplifier repair

6AS5 and 6N2P vacuum tube base guitar amplifier

Simple RdRand base random number generator library

Analog AC line monitoring box

Digital audio amplifier with PLL synthesized FM radio

Workshop Organizer - inventory controller for home-workshops

Hi-Fi Audio Power Amplifier for experiments and general use

Audible Morse code to text message converter

300V AC/DC Variable Power Supply

Audio / Visual Morse code Generator for Android

Home produced 700VA isolation transformer

ATmega169 base 8bit Arithmetic and Logic Unit

Oscillator Controller for 8bit PIC Microcontrollers

3.3V Power Supply Unit

Extended Run dialog box for Windows