This project does require a fair amount of hardware,
but none of the components listed below are difficult
to find or particularly expensive.
ATMega 328 CPU 6.00
16x2 LCD display 4.00
[Radio Shack 276-168, or similar]
LM7805 5v regulator .50
1N4001 diode .25
resettable polyfuse .35 [optional, but recommended]
[All Electronics, catalog # RXE-065, or equivalent]
40-pin male header strip .75
40-pin female header strip .75
28-pin IC socket, narrow .75
mini pushbutton switch .50
momentary contact switch .50 [generic]
16-MHz crystal 1.00
mini 10K trimpot .25
330-ohm resistor, 1/4 watt (2x) .50 [anything from 220 to 1k is okay]
LEDs (2x) .35 [generic, one red, one green]
power jack, coaxial [2.1 mm] .75 *
power plug, coaxial, [2.1 mm] .75 *
[Radio Shack 274-1569, Size M, or similar]
100 uF capacitors, 25-35v (2x) 1.00 [Don't get the 16v kind.] **
10 uF capacitor [optional] .50 [for extra filtering]
22 pF capacitors (2x) .50
.1 uF capacitors (2x) .50
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