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 is a very simple communication system that can result in an experimental or didactic phone if two...
With the original transistor of this 1976 circuit, the maximum load current is 15 A, but we can...