TinyCore boards / attiny 1 series Core, Arduino IDE Core, targets ATtiny 417 / 814 / 816 / 817 / 1614 / 1616 / 1617 / 3217 and similar MCUs
Firmware for flashlights using loneoceans attiny1616 and avr32dd20 drivers
Raspberry Pi CD changer emulator for 1990s Kenwood car stereos. Reverse-engineers the 13-pin DIN serial protocol and replaces the changer with a Pi HAT featuring ATtiny1616, PCM5102A DAC, and automotive power management.
ATTiny1614 + SX1276 + BME280
Some small LED-blinking test programs for the AVR microcontrollers
A PCB business card that shows you your own pulse. Optical PPG sensor drives a ten-LED heart; NFC tag serves the vCard with the card switched off. ATtiny1616, MAX30102, CR2032. KiCad sources, firmware and power measurements.
RepX is A custom embedded fitness rep counter using a Hall-effect sensor, ATtiny1616, and dual 7-segment display.
Per-unit angle calibration for the OpenArm KER encoder module — firmware, station procedure and host tool. Wire-compatible with an unmodified M5.
Some simple AVR programs to explore Direct Digital Synthesis.
Experimental smart-ring firmware, sensing, light communication, and workshop materials
ADX: Advanced Devices eXtended's project documents.
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