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Matth3w's Swiss AVR Knife conveniently packs several microcontroller projects into a single ATtiny84 chip -
Because of the flexibility afforded by microcontroller programming, it also provides a starting point for any number of projects based on LEDs and sound output. The SAK can contain as many programs as the 8K of memory permits and maintains eight states for each program. The current program and states for all programs are preserved in EEPROM between uses. The projects currently implemented in the SAK include the following.
- MiniMenorah -- Evil Mad Scientists
- Brain Machine -- Mitch Altman
- MiniPOV -- Adafruit Industries
- Noise Toy -- Loud Objects
- LED Running lights
- LED Candle
- LED Flashlight
Dang - that's quite a lineup! The project runs off of just one AA battery thanks to the inclusion of a Minty Boost in the parts list. If you're looking for a jumpstart with your first AVR/microcontroller project, the S.A.K. sure seems an interesting and economical route to take. Keep in mind this one could be assembled on basic perfboard without the gum tin, should the PCB & compact assembly seem a bit daunting.
