Appendix
Circuit schematics
Parts list & cost
Item Part # Price
Microcontroller: Atmel Mega16L $ 3.80
RF transmitter: RCR-433-AS $ 4.00
RF Receiver: RCR-433-AS $ 5.00
Voltage Regulator: ADP3367 $ 2.00
Optoisolator 1: MOC3011M $ 0.82
Optoisolator 2: PS2501-1 $ 0.42
Diode Rectifier: W005G $ 0.61
Triac: T2322B $ 0.35
Electrical Outlet: $ 1.50
Soap Box: $ 1.75
Solder Board: $ 2.00 (for 3)
Total Cost: $ 22.25 per node
Additional Parts obtained from lab or Prof Land
STK-500
9V battery
Battery clips
8 MHz clock crystals
4 ft power cord
Wire of various length
Capacitors of various capacitances
Resistors of various resistances
40 pin sockets
Solder boards for surface mount transmitter and voltage regulator
Extra RS-232 communication cable
Node Pictures
Code