Hi everyone, I hope you can help. I am trying to make a small circuit that will switch on a LED when the supply voltage is 12.5 or above. This is to simply indicate that the battery is fully charged when a button is pressed. I have tried this circuit (see attached), it sort of works, but rather than a clean switch on and off, it sort of dims at around the correct voltage and only switches off when the supply gets down to around 11.4v. and the same on raising the voltage. I hope that someone could help me with this. Thank you, Colin
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