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

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

HOME Schematics Hobby Corner Dave's Circuits Electronic Resources Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches
Welcome to DiscoverCircuits.com - online since 2002

See Media Kit for
Advertising Opportunities

Attention Designers:  Please alert us by eMail if we have linked to sites
where your original material has been copied without your permission.
We will change to the LINK to your site.  
Thank you.

 

Hobby Circuits designed by Dave Johnson

Last Updated on: Tuesday, October 24, 2017 03:04 PM

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!




Solar Cells (Panel) Circuits
 
Circuits Designed by David Johnson, P.E. :

Modified Cheap Solar LED Path Light

Modified Colman Lantern3

Path_Light_Using_COB_LED_1w_Solar

Photovoltaic Solar Panels-Ideal Blocking Diode Circuit

PV Solar Cell Test Fixture

PV Solar Panels-Ideal Blocking Diode Circuit

Quartz_Clock_Solar_Powered

Reduce voltage to Photovoltaic Solar Panel with Ideal Diode

Salvaged Broken Solar Cells

Solar 1w Cob LED Light

Solar Cell Test Fixture

Solar Fireflies In Jar Light

Solar Insolution Meter

Solar Insolation Monitor

Solar Lithium Ion Battery Charger using LT1133

Solar Path Light Improvement

Solar Powered Cell Phone Charger

Solar Powered Flood Light using NiMH
Cells

Solar Powered Infrared 1W Security Camera Illuminator

Solar Powered Lighthouse

Solar Powered Lithium Ion Battery Charger

Solar Powered Mason Jar Light

Solar Powered Quartz Clock

Solar PV Cell Test Fixture

Solar_Panels_Converted_from_9v__to_4.5v_Panels

Solar-Powered Pump Motor Controller

Tool Shed LED Light

Variable Isolated AC Voltage Spans 0VAC to 280Vac

Water Pump controlled by Solar Power

Well Pump Flasher & Beeper
1W Solar Path Light with COB

24v NiMH
Battery Charger using a 12v Solar Panel 

4_D-Cell_LED_Lantern_Modified

8 Solar Cell LED Light

8-Solar Cell Lithium Ion Battery Charger Version 2

9v Solar Panels Converted to 4.5v Panels

Broken Solar Panels

Cell Phone Solar Powered Charger

Colman_Lantern3_Modified

Convert Solar Powered Light to Flasher

Eight-Solar Cell Lithium Ion Battery Charger Version 3

Fireflies_In_Jar_Solar_Light

Flasher_&_Beeper_for_Well_Pump

Ideal Blocking Diode Circuit for Photovoltaic Solar Panels

Ideal Diode for PV Panels

Ideal Diode Function

Improved Solar LED Spot Light

Improved Solar Path Light

Insolution_Meter_Solar

LED_Light_for_Tool_Shed

Light_Pathway_1w_Solar_Cob_LED

Lighthouse_Solar_Powered

Mason_Jar_Solar_Light

Modified 4 D Cell LED Lantern


 

Hobby Circuits by Category

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

 

 


Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches



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


Discovercircuits.com endeavors to credit original designers.   Please alert us by eMail so we can
delete links to material that have been copied without your permission
.   Thank you.


Copyright of all original material on this website is the property
of David A. Johnson, P.E. (Dave Johnson & Associates ) unless otherwise noted.  

Linking is ALLOWED but COPYING any content or graphics to your web site is EXPRESSLY PROHIBITED.
All material is provided "as is" without guarantees or warranty of any kind, either expressed or implied.