Erratic tick mechanism for hacked clock, based on MSP430G2231 microcontroller
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Erratic tick mechanism for hacked clock.

Original project by Bart Basile

Adapted by Tom Price February 2014:

  • Target microcontroller MSP430G2231 (smaller and cheaper than MSP430G2553)
  • Tick sequence length adjustable using single define
  • Bit array used to store sequence to save memory
  • Layout of H bridge adapted slightly
  • Energise time adjusted for the particular clock that I happened to have