This 100 second timer was found in the September 1992 issue of Radio Electronics magazine. The circuit has two timing ranges and time adjustment at R6.
Found in a 1980s American documentation, this circuit appears with variations elsewhere in this...
May 2017 - This proximity and touch controller from Azoteq can control 12 mutual channels and can...
This is an old 1988 circuit consisting of a timer or time control for exposing silk-screen arrays. The...