High power led flashlight circuit with 1 5v aa battery usb rechargeable simple hi efficiency torch homemade projects watt pinout features uses datasheet mini lt1073 ic ultra bright lamp diagram and instructions elechelp a white 30 how to make hub engineering astro circuitlab using cd4049 green detailed available nik kinnaird works at voltages as low 0 edn pocket is efficient garden solar light handy pen build diy driver details hackaday io single 2v nimh cell leds 220v ac powered under repository circuits 22177 next gr tinkering wired 4049 5 volts bc558 transitor the flashing heart diagrams schematics electronic max660 from s takes only 50 ma 3 faraday working
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High power led flashlight circuit with 1 5v aa battery usb rechargeable simple hi efficiency torch homemade projects watt pinout features uses datasheet mini lt1073 ic ultra bright lamp diagram and instructions elechelp a white 30 how to make hub engineering astro circuitlab using cd4049 green detailed available nik kinnaird works at voltages as low 0 edn pocket is efficient garden solar light handy pen build diy driver details hackaday io single 2v nimh cell leds 220v ac powered under repository circuits 22177 next gr tinkering wired 4049 5 volts bc558 transitor the flashing heart diagrams schematics electronic max660 from s takes only 50 ma 3 faraday working
