3 7v Li on Battery level indicator

https://envirementalb.com/3-7v-battery-low-full-indicator/
n This Project 3.7v Battery Low Full Indicator Circuit, We Are Going To Make A Very Simple Battery Level Indicator. This Indicator Circuit Is For A 3.7 Volts Indicator. We Have Designed This Circuit With Few Components At Home With Easily Available Components. These Components Can Either Be Collected From An Old Circuit Or Can Be Purchased From An Electronics Shop Easily.

Transistor – BC547 X1
Resistor – 1K X2
Resistor – 220 Ohms X3
PN-Junction Diode – 1N4007 X1
LED – 3V X2 (Red For Low Charge Indication And Green For Full Charge Indication)
Battery – 3.7V And 3V

Видео 3 7v Li on Battery level indicator канала Robo projects