The Amp Hour

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A weekly podcast about electronics and electrical engineering. Each week, hosts Chris Gammell and Dave Jones talk shop with the designers, founders, and engineers building real hardware, from circuit design and manufacturing to careers in the field.

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Latest episode · Sep 10, 2026

#733 Perpetual Wearable Biosensing with Andy Kong

Andy Kong is creating Chargerless, a pre-seed wearable biometric device that runs on 1 minute of sunshine per day. He joins Chris to talk about low power design, unconventional power schemes, the weird signals of the human body, and more.

01:06:06
with Andy Kong

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T-shirts Are Back (2026) The Amp Hour T-Shirt had been available for a long time at the Contextual Electronics store until it went defunct. As of today, there’s a new merchandise store for both Amp Hour and Contextual … Read more → Jul 18, 2026

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“The best electronics conversations happen live and unscripted, so that's how we record every one.”