The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by a microcontroller. One of the more interesting applications of this circuit would be to replace or to realize ...

Spare a moment’s pity for the process engineer, whose job it is to keep industrial automation running no matter what. These poor souls seem to be forever on call, fielding panicked requests to come to ...

Submitted by: Eissa Rahmani ([email protected]). An electronic circuit that I designed. it is based on a low cost 7106 (31/2 digit A/D). it works without any external supply and drops only 4.5V ...