Addition:
a + 0 = 0
a + 1 = 1
a + a = a
Where: a ? 0
Multiplication:
0 x a = 0
1 x a = a
a x a = a
This circuit was found in a 1973s Japanese publication. The power transistors used are of the era...
This noise generator for the audio band was found in a British publication from the 1970s. The...
This is one of the possible timer configurations with the 555. We found it in October 1986 Radio...