Electronic Circuits and electronic circuits, electronic schematics plus an extensive resource for hobbyists, inventors and engineers

DiscoverCircuits.com, has 45,000+ electronic circuits, cross-referenced into 500+ categories.
We have searched the web to help you find quick solutions & design ideas.

Got Designs?
Please eMail if you want me to link to and/or post your original design. 
NOTE:  We make every effort to link to original material posted by the designer. 
Please contact us if our link is not to your site!  Thanks.

Hobby Circuits designed by Dave Johnson

Last Updated on: Tuesday, June 01, 2021 03:22 PM

List of Hobby Circuit Designs

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

Motor Control Circuits
 
Circuits designed by David Johnson, P.E. :

2 Pushbutton Motor Controller

Automatic DC Motor Brake

Classic Linear 5v Supply using 6.3VAC Transformer

Cooling Fan Thermostat (12v)

CW & CCW Alternating Motor Driver

H Bridge Motor Controller uses Low Power

PWM Circuit for Motor Speed Control

PWM Motor Controller uses a 555 Timer

Thermostat for 12v Cooling Fan

Water Pump controlled by Solar Power

12v Brush Motor Speed Controller

12v DC Motor with Logic Controlled Automatic Brake

 

Hobby Circuits by Category

Dave's Circuits

eMail:  David A. Johnson, P.E. about these circuits

 
HOME Schematics Index Hobby Corner Dave's Circuits Contact Info
Imagineering Ezine Dave Johnson & Associates Faraday Touch Switches

 About Us   |  Advertise on DiscoverCircuits.com   |   Report Broken Links  |    Link to DiscoverCircuits.com  |    Privacy Policy

Copyright  January, 1998 - June, 2021     David A. Johnson  All Rights reserved. 
 Linking is ALLOWED but COPYING any content or graphics to your web site is EXPRESSLY PROHIBITED.