Battery charging indicator testing...
Автор: Electric Dhamaka
Загружено: 2025-07-14
Просмотров: 2219
Описание:
🔋 Simple Battery Charging Indicator Using LED | 3.7V Battery Charger Circuit 🔋
In this video, I have built two simple and useful LED indicator circuits for monitoring the charging status of a 3.7V Li-ion battery. These circuits are easy to build and require just a few common components!
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💡 Circuit 1:
A basic dual-LED indicator using a red and green LED, along with resistors. It visually shows when the battery is charging and when it is full. The clever resistor combination helps manage the current flow to indicate both states.
🔌 Circuit 2:
A practical USB-powered charging indicator circuit using a 1N4007 diode, two LEDs, and a 1K resistor. The red LED lights up when charging starts, and the green LED turns on when the battery is full.
⚙️ Components Used:
Red & Green LEDs
1N4007 Diode
3.3K & 1K Resistors
USB Cable
3.7V Li-ion Battery
✨ These are perfect for DIY electronics hobbyists looking to monitor battery charging status without using any complex ICs or chargers.
👍 Like, Share, and Subscribe if you found this helpful!
💬 Comment below if you want the circuit diagram or explanation in your language.
#BatteryCharging #LEDIndicator #DIYProject #ElectronicsForBeginners #3_7VBattery
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