DIY 3.7V Battery Charger Setup! 🔋⚡️

Описание: Learn how to make a simple 3.7V lithium-ion battery charger using a USB cable! This easy circuit features a charging indicator (Red) and a full-charge indicator (Green). Perfect for beginner electronics projects. 🛠️💡
​Components needed:
​3.7V Battery (2000mAh)
​1K Resistor
​1N4007 Diode
​Red & Green LEDs
​Male USB Connector
​#DIY #Electronics #BatteryCharger #Circuit #TechHacks #ElectricalEngineering #LiIon