Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...
rot_btn_i2c is a ESP32 IDF component to read and decode a mechanical rotary encoder and up to 14 buttons connected to the ESP32 by a TCA9555 port expander. It uses the RiskV ULP of the ESP32-S3 and ...
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