The figure shows a circuit that shows how to control an optodiac to trigger a triac from the LM3914 gates. The circuit is from an Electronics Now issue from February 1998.
This simple optical alarm circuit was found in the 1991 Electronics Experimenter Handbook. The...
This broadband amplifier was found in an Elektor from the 90's. The gain is 10 dB with a noise...
A recreational application of the 4018 is shown in the figure in which we have electronic dice....