Archive for the ‘Rechargeable’ Category:

LED Indoor Motion Sensing Lights – Decrease On Time

I bought two of these motion sensing LED lights for my hallway. They have a rechargeable cell that is charged through a micro USB port. To see one inside watch big Clive’s YouTube video – the ebay link to buy them is in his description. The charge lasts for more than a week with frequent

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2020-02-08 60 LED Solar Lights Stopped Working – Dead Diode!

From FB group electronics hobbyists Over the holidays I installed two solar 60 LED lights I bought on eBay. They stopped working just a few weeks after. I finally got up on the ladder and took them down to see why they died. Well, spit! The solar panel is plugged into the jack on the

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2018-07-11 Communist Manifesto

From FB group Orange Talk, July 13 Rebecca Joy It’s still not spelled right. 😝 It’s not Columnist Manifesto. The Communist Manifesto was only a few dozen pages long and at the time was considered the most influential document of the 19th century. The evil Commies were a totally different thing. The Communist Manifesto was

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2018-05-11 Tesla Battery Bank Saves Aussies 90%

From article in https://electrek.co/2018/05/11/tesla-giant-battery-australia-reduced-grid-service-cost/amp/

2018-01-29 Battery Capacity Testing

From FB group Another FB member, who’s not in the groups, has also built a battery capacity tester.  I think he uses a 10 ohm resistor.  The typical testers found online apparently use what the battery makers say they use in the data sheets. This link is for the .PDF of the apps manual for

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2018-01-28 Getting Reputable Rechargeable Cells

From FB group Hobby Electronics When a manufacturer purchases parts for the product they are making, they expect to receive what the engineers department had specified in the department’s documents. When the parts are received, the Quality Control department is supposed to check to see if the parts received meet the engineering documents.  I know

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2018-01-22 Demo Of Wireless Charging

for FB group Electronics Hobbyists The demonstration of a wireless charging circuit that I built uses a Joule Thief circuit with two yellow LEDs in series.  The coil is a hand wound loop about 75 mm or 3 inches diameter.  A second loop of gray wire with a white LED (dimly lit at bottom) is

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