Tag: I2C

  • New Timepiece for a Classic Mac – Part 2

    I previously updated an open-source project implementing a pin-compatible real-time clock replacement for the Mac SE/30. At the time I considered using the universal serial interface (USI) peripheral built into the Microchip ATTiny85 microcontroller but dismissed it. This post picks up where I left off, making use of the USI module to offload the processing…