Pioneer PL-250 turntable restoration

HTML5 Mandelbrot Generator

100W AF dummy load

Extending the frequency range of Pioneer TX-7700 tuner

μPC1237 based 2 channel speaker protector

CoCA Emerge + Tech - Musical plants project

Sony TC-500 reel to reel player restoration

Modified Heathkit HD-1410 electronic keyer

Simple crystal tester

USB curve tracer for NPN transistors

Automatic monitor brightness controller

Low voltage power supply unit

Mullard 3-3 Amplifier Project (Part 3)

Artificial star unit

Mullard 3-3 Amplifier Project (Part 2)

Simple door bell for access control systems

Musical trees

Victor SEA-50 graphic equalizer restoration

Mullard 3-3 Amplifier Project (Part 1)