Minimal adapter board for converting keyboard i2c oled pins to ffc/fpc ribbon cable for keyboards such as crkbd or kyria
Open-source hardware and software for a satellite with a custom on-board computer to interface over I2C, SPI, and UART with a flash chip, IMU, barometer, camera, and thermal sensors. Built to fit within a 1U form factor.
Digital watch using the ATtiny85 MCU. The MCU communicates with DS1307 real-time-clock (RTC) over I2C. Also used TM1637 for displaying the clock.