All items tagged with Li-ion and USB (4)

| I spotted them for the first time during the Peltier lamp project: these cute little USB LED spotlights from a certain Swedish retailer that...

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| Over time quite a lot of projects have been published on Elektor Labs. The recent projects and those that get updated frequently remain visi...

| A portable electronic device that I was designing used 2 lipo cells in series for power. i needed and inbuilt charger for these batteries an...