Found in the 1991 Electronics Experimenter Handbook magazine, this circuit has good power and is recommended to be triggered by light.
This circuit should be used with low frequency signals only. The circuit is from a documentation from the...
For the low channels (2 to 6) the coil is formed by 5 turns of wire 20 or 22 in a form of 1 cm...
This circuit is from an old French documentation from the 70s. The coupler admits equivalents and...