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2 |
74LS05 open collector drivers/buffers (for up to 12 row switch matrix) |
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8 |
PN2222 transistors |
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16 |
1N4148 switching diodes (for small switch matrix) |
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2 |
1N4001 rectifiers |
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1 |
1N4728 zener |
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1 |
TIP120 transistor |
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8 |
120 ohm resistors |
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8 |
330 ohm resistors |
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8 |
390 ohm resistors |
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2 |
560 ohm resistors |
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2 |
4.7K resistors |
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8 |
5.1K resistors |
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8 |
18K resistors |
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11 |
Pushbutton switches (enough for the 11 non-matrix inputs) |
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1 |
16 Conductor ribbon cable with header connector |
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1 |
26 Conductor ribbon cable with header connector |
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8 |
LEDs |
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1 |
1.5 to 3 volt motor |
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1 |
Breadboard (optional) |