2. An external switch to provide interrupt (input) in PORT D PIN 7. 3. LED, Resistance (1 kOhm), few jumper wires, Bread board. 1. Connect one termial of the switch to +5v of Arduino UNO board and ...

See google code project for latest, bugs and info http://code.google.com/p/arduino-pinchangeint/ For more information Refer to avr-gcc header files, arduino source ...

Related to being powered by a super capacitor, I also need to get my ATtiny to go to sleep when not processing anything. And that involves setting pins to ‘interrupt-on-change’ and getting the chip to ...