Cost Cost Qty Part per part per group 1 Atmel 89C1051-12PC microcontroller 4.55 4.55 1 0.1 uFd capacitor 0.16 0.16 2 33 pF capacitor 0.11 0.22 1 11.0592 MHz crystal 0.68 0.68 5 LEDs 0.16 0.80 5 150 ohm 1/4 W resistor 0.03 0.15 ------------------------------------------------------------ 15 Total Parts 6.56