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Circuit Digest7h

How to build a Wearable Air Quality Monitor Pendant using STM32 & SGP40 Sensor

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...
James Bruton on MSN17h

Tickle-Me Elmo Robot Conversion #2 : Upper Body

Inspired by the 2001 movie, AI Artificial Intelligence, I'm converting Tickle-Me Elmo into a robot version! The base controls ...