One circuit a week

Each week I will feature a circuit based on one or more of the electronic parts I have ordered then forgotten about over the years.

Sunday, March 22, 2026

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From Blinken-lights to Organic VU Meters: Optimising the CH32V003 The WCH CH32V003 is a marvel of modern "frugal" engineering: a ...

Monday, March 16, 2026

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Mailbag #49 - another embarrassing big haul I'm trying to scoot through as much mail as I can at the moment! Here is the "running s...

Saturday, March 7, 2026

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ESP32 based YouTube Subscriber Counter After a suggestion by a subscriber I have built a subscriber counter! Go on, push the button - you kn...

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