We found this circuit in the November 1995 Electronics Now magazine. The circuit is more accurate than the previous one using an external multimeter as an indicator.
We find this circuit in a 1994 technical documentation. The circuit has a 12 V input and a 33 V...
This 80's circuit uses an integrated amplifier of the era, but nothing prevents it from being...
Found on a 1965 Radio Electronics, this circuit fires a signal xenon lamp applied to the SCR from...