skazarians
New member
I have the 633 USB LCD, and after reading the data sheet I saw that I could power the device through the RS-232 port with 12VDC and 5VDC. However I have the USB version which has a secondary board and only 5VDC input. Will I be able to power the logic and the backlight from the 5V or does it need power from the PWR connector?
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