Archive for the ‘ICs’ Category:

2020-02-21

I found that 100 uH was a good all around value for these solar garden light circuits. But at the time I made these around 2009 the 5252 4 legged chip was uncommon and almost all the garden lights used 2 discrete transistors. I don’t know why they started using the 4 legged 5252 –

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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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2017-08-27 A 555 Is Easier And Cheaper Than a PIC

From a FB group post. “primitive transistors” I think that’s ironic.  The 555 makes the design easier for the builder.  It has all the parts so the builder doesn’t have to build from scratch.  Like making a cake using Betty Crocker’s cake mix instead of flour, eggs, etc, and no need for a recipe.  It’s

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