This circuit was found in a 1966 General Electric book. The triac and the day are from that time and can be replaced by modern equivalents depending on the load.
Found in a 1980 publication, this circuit triggers a power lamp, making it blink when light hits...
This is the traditional configuration of the 7806 as a 12 to 6 V automotive voltage reducer. The...
With this circuit it is possible to control the frequency of a 555 astable, given by C1 and R1...