Electronics engineer, inventor and tinkerer — 40+ years designing power electronics, embedded systems and electric fence technology. This is where I share my projects and open source work.
Recent Projects
The Sampler™
A handheld pipe metal detector for gold fossickers — detects gold particles in dry material, no water or panning required. Patent pending. © Ex-PD Pty Ltd.
CLR Circuit Simulator
An interactive web simulator for capacitor discharge circuits — adjust component values and visualise peak current and waveform in real time.