Low Voltage Capacitor Leakage Tester (My own version)

Hi everyone. I’m pretty new to posting here but I though I’d share some pics of my own version of Mr Carlsons Ultra Sensitive “Forecasting” Capacitor Leakage Tester that he designed back in 2018 I think. I’ve been experimenting with various online 3D printing and PCB fabrication services to build this and I’m rather pleased with it. Luckily I still have a few very old LM3914 driver ICs to hand which enabled me to build this project 🙂

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Topic starter Posted : 03/10/2026 6:26 am