LIGHT LOGIC - HIC SVNT DRACONES

Using a LED/LDR pair to form inverting Photonic logic gates. The entire Boolean logic set handled by resistors and diodes! Who'd'a thunk

Dr. Cockroach

Quantity		Component name
1	×	Led White
1	×	CdS Photo Resistor LDR
1	×	Switching diode 1N914 or other switching diode
1	×	Resistor 150 Ohms for 5 volts. Adjust value acording to voltage / current needs