This time base circuit was found in the January 1988 issue of Radio Electronics magazine. The output signals are 1 Hz and 10 Hz TTL.
This SCR circuit activates a buzzer when triggered. The circuit is from a Popular Electronics from...
This circuit is used for incandescent lamps and other resistive loads up to 3A using the TIC206. This...
This circuit is from 1995 documentation, but can be easily assembled today, as the components used are...