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Circuits designed by David Johnson, P.E.
Last Updated on: Thursday, November 30, 2017 10:29 AM

List of Dave's Circuit Designs

Text & Graphics Copyright David A. Johnson, PE  --  ALL Rights Reserved.
LINKING to Dave's circuits is permitted but DO NOT COPY CONTENT to your WEB SITE server!




Current Sensor / Detector / Monitor Circuits
 
Circuits Designed by Dave Johnson, P.E. :

AC Indicator-Self Powered

Bad Light Bulb Indicator

Clip-on AC Current Indicator Circuit

Indicator for Bad Light Bulb

Monitors AC Current

Monitors Pump Motor

Pump Motor Monitor

Self Powered AC Indicator

Self-Powered AC Current Indicator
AC Current Indicator Light

AC Current Monitor


 

Dave's Circuits

Hobby Circuits

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Copyright  January, 1998 - November, 2017     David A. Johnson & Associates.  All Rights reserved. 


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