remove extraneous TODOs
add low power support, SecretVoltmeter, & switch PIR to pin 4
free up interrupt pins 2 & 3 for radio and break detector
flush Serial before sleep
window break code -- now I have some window bugs
read pin details from eeprom

break INT0 in D7 -> D2 [ic pin 13 -> 4]
radio INT1 in D3 [ ic pin 5]
PIR D4 [ic pin 6]
contact D5 [ic pin 11]
command line script for programming via icsp