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on vidio Lithium 18650 Battery Voltage Indicator 3.7V To 4.2V | NO ic

   




Lithium ion battery are common used in electronic projects️  and they need to used correctly the voltage of Lithium batteries are from 3.7V to 4.2V and it needs to monitored because if Lithium battery's are over discharge to 3V they don't last very long so we need a Indicator or Voltage meter for them to see how much charge it has i maked a Super simple Voltage meter for Lithium batterys 18650 or it can be used for any 3.7V to 4.2 battery 🔚

 👉parts List👈

1➡️- Red Led (2Pcs)
2➡️- Green Led (2pcs)
3➡️- 1N4007 Diode (3pcs)
4➡️- 100 Ω resistance (4pcs)


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