Simple USB Lamp Circuit - DIY Electronic Projects

USB lamp circuits are a cheap way of getting emergency light fixtures.Today, we are going to design a simple USB Lamp Circuit using a Type

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Simple USB battery charger circuit

Simple LED Circuit : 7 Steps (with Pictures) - Instructables

A simple LED lamp circuit from scrap. Uses 5 LED and takes only 50 mA

USB Night Lamp Circuit using White LEDs - Gadgetronicx