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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!

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

LED_Light_8_Solar_Cell

LED_Light_for_Tool_Shed

Lighthouse_Solar_Powered

Mason_Jar_Solar_Light

Photovoltaic Solar Panels-Ideal Blocking Diode Circuit

PV Solar Cell Test Fixture

PV Solar Panels-Ideal Blocking Diode Circuit

Quartz_Clock_Solar_Powered

Salvaged Broken Solar Cells

Small_Solar_Panels_Using_Photodiodes

Solar Cell Test Fixture

Solar Insulation Monitor

Solar Modified Colman Lantern

Solar Powered Lithium Ion Battery Charger

Solar_Panels_Converted_from_9v__to_4.5v_Panels

Solar_Path_Light_1w

Water Pump controlled by Solar Power

Wireless_Solar_Powered_Sensor

1w_Solar_Path_Light_Using_COB_LED

24v NiMH Battery Charger using a 12v Solar Panel 

4_D-Cell_LED_Lantern_Modified

Broken Solar Panels

Cell Phone Solar Powered Charger

Colman_Lantern3_Modified

Fireflies_In_Jar_Solar_Light

Flasher_&_Beeper_for_Well_Pump

Ideal Diode for PV Panels

Ideal Diode Function

Improved Solar Path Light

Insolution_Meter_Solar

 

Hobby Circuits by Category

Dave's Circuits

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

 
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