Version History:


  • Added trace to increase randomness seeding
  • Added solder point for an extension to floating RNG generator
  • Switched to SW-18010P vibration sensor for more reliable operation
  • Switched to AtTiny 45 microcontroller due to code optimizations
  • Switched to new battery holder, supports CR2032 and CR2025 batteries.


  • Switched from temperature-based RNG to electromagnetic interference (floating analog)
  • Added socket for microcontroller
  • Added power switch
  • Switched from button to tilt switch for actuation


  • Initial Release