Parts List	Costs
TIP31 – NPN Bi-junction Transistor	Free
Regular LED from lab	Free
Whiteboard from lab	$5.00
MDL-16264 2*16 LCD display	$5.00
QUF 9724 Keypad from lab	$5.00
GP1UM27RK IR Receiver	$2.00
QED223-ND IR Transmitter	$2.00
Atmel Mega32 Microcontroller	$8.00
Total:	$27.00