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Solar Experiment

Solar Experiment PUBLIC

BigCliveDotCom's "Simplest solar light possible, using old phone battery" schematic

by dhaans | updated May 05, 2020

battery   charger   led   solar  

T90a regulator rev2

T90a regulator rev2 PUBLIC

This is the dc voltage regulator circuit I built for charging and running my Icom T90a handheld radio from my car.

by parabuzzle | updated October 28, 2014

car-charger   charger   ham   ham-radio   handheld   ht   icom   radio   t90a  

9v powered mobile charger

9v powered mobile charger PUBLIC

I'm using this to charge my Nokia 5230 when i don't have plugin power. I have 2x9v batteries wired in parallel, It provides ~5v out which is good for most phones and ipods. Although i haven't tested...

by SindriK | updated May 28, 2013

charger   mobile   phone  

Capacitive Charger / Desulfator

Capacitive Charger / Desulfator PUBLIC

by serisman | updated April 10, 2013

charger   desulfator  

Caricatore USB Ipod Iphone

Caricatore USB Ipod Iphone PUBLIC

by tommaso.michelutti | updated March 26, 2013

charger   iphone-ipod   usb   voltage-regulator  

9V USB PHONE CHARGER (w/optional solar panel)

9V USB PHONE CHARGER (w/optional solar panel) PUBLIC

by nsteffine | updated November 03, 2012

9v   altoid   charger   panel   phone   solar   usb  

Dead Batteries for 5V USB Charger

Dead Batteries for 5V USB Charger PUBLIC

The goal of this project is to make an efficient and cost effective usage of dead AA alkaline batteries. Eventually this will expand into two circuits to switch between: A) step down to 5V while...

by klappy | updated May 22, 2012

aa   batteries   charger   usb  

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