37v Lithium Battery Charge Full amp Low Level Indicator

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=tB0kCfTHLMg

This circuit is a 3.7v Lithium Battery Charge Level Indicator built on a matrix board. A battery level indicator is a device that provides “information about a battery” When the voltage exceeds 3.7v the green LED lights up while if it drops below 3.6v the red LED light up... so when the Lithium-Ion battery is fully charged, the circuit will glow green light and when the Lithium-Ion battery is fully discharged, the circuit will glow red light. • The main component of this circuit is the BC547 transistor, which takes care of flow in its collector only the current necessary to power the LEDs in order to minimize the load on the batteries and obtain a more precise reading. This circuit requires only some low-cost components like transistor, diode, resistors, and LEDs. • I want to clarify that a 3.7 volt lithium battery (nominal value) can be considered charged if, without load, it has a voltage higher than 4 volts, and discharged if it is lower than 3.7 volts. • Components: • 1x BC547 NPN Transistor • 1x Matrix Board • 2x 1KΩ Resistor • 1x 220Ω Resistor • 2x LED 5mm • 1x DC Connector • ► PROS and CONS of this circuit: • 🟢 PROS: Simple, Functional, Economical, Few components • 🔴 CONS: Not for professional use • ✅ Subscribe to my YouTube channel It's FREE! • Chapters: • 0:00 - Intro Demonstration • 0:40 - Explanation • 1:36 - Circuit Diagram • 1:40 - END • ■▬▬▬▬▬ LINK Support ▬▬▬▬▬■ • ✅ YouTube: / stefano91ste • ✅ Instagram: / stefano91ste • ✅ Pinterest: https://www.pinterest.it/Stefano91ste • ✅ My STORE: / stefano91ste • Watch another video =) • ● Music Keyboard: • Music Keyboard with NE555 PCB Tutorial • ● LED Water Level: • LED Water Level indicator PCB Tutorial • ● Police Light: • POLICE LED Light DIY with NE555 - PCB... • ● Vu-Meter Stereo: • Vu-Meter Stereo -20 +3dB LM3916 - PCB... • ● Traffic Light: • Make your own Traffic Light on PCB - ... • ● Vu-Meter 40 LED: • Vu-Meter 40 LED on PCB with LM3915 TU... • ● Voltage Detector: • VOLTAGE Detector DIY - Tutorial on PCB • WARNING: This video is only for demonstration. I don't take any responsibility. • #lithium #diyprojects

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