DIY 3.7V Lithium Battery Charge Level Indicator

Описание: DIY 3.7V Lithium Battery Charge Level Indicator#DIY #Electronics #Indicator #LithiumBattery #HowTo

Stop guessing your battery's charge level! In this video, I build a simple yet accurate charging indicator for a standard 3.7V Lithium-ion (Li-ion) battery. This DIY circuit is perfect for DIY projects, drones, RC cars, portable speakers, or any device using these common cells.

#DIY #Electronics #3.7V #BatteryIndicator #Arduino #LithiumBattery #HowTo

I'll guide you through the entire process, from understanding the voltage-to-charge relationship of Li-ion cells to wiring up the LEDs and programming the microcontroller. This design is compatible with fast charging, so you can see the status even during a quick power-up.

⏱️ Timestamps:
0:00- Introduction & Final Demo
0:45- How 3.7V Li-ion Batteries Charge (Voltage Chart)
2:00- Components You'll Need
3:15- Circuit Diagram & Breadboard Wiring
5:30- Writing the Arduino Code (Explained)
7:45- Calibrating for Accurate Readings
9:00- Testing with a Charger & Final Build

#3.7VBattery #BatteryIndicator #DIYElectronics #ArduinoProject #LithiumBattery #BatteryMonitor #DIYProject #Electronics #HowTo #TechDIY #18650 #BatteryManagement #LEDIndicator #FastCharging #ArduinoTutorial

The description mentions specific applications like drones, RC cars, and portable speakers, which are highly relevant.
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