This proximity relay circuit was found in the July 1990 Radio Electronics magazine. The supply voltage should be according to the relay used.
May 2017 - Mouser Electronics announced the availability of the LMX2491 a new PLL for frequencies...
March 2017 - Mouser Electronics announces the availability of MAX17523, an overcurrent and...
This is a single IC voltage regulator that can acts in the range from 1.2 to 20 V. Output currewnt is up to...