Addition:
(a + b) = (b + a)
Multiplication:
a x b = b x a
This circuit for light data transmission (visible or IR) has a maximum speed of 1 Mbps and can be...
This circuit in its original version was found in an 1975 English publication. It is a...
Instead of LED bulbs, LEDs with a series 470 ohm 1k resistor can be used in this 80's circuit....
