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Do LCDs need negative voltage
Posted: Mon Mar 19, 2018 7:49 pm
Do LCD modules need negative voltage? What is the reason for negative voltage?
Re: Do LCDs need negative voltage
Posted: Thu Mar 22, 2018 8:20 pm
It is not common for a character LCD to require a negative voltage. Years ago it was necessary to handle colder temperatures, but current TN fluids have removed the need for negative reference voltages.