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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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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