Hi,
You can direct drive the display with shift registers. You can drive a 4 digit display with just three pins. You need 4 shift registers. No library is needed. You can drive them with just "shiftout" function.
Hi,
You can direct drive the display with shift registers. You can drive a 4 digit display with just three pins. You need 4 shift registers. No library is needed. You can drive them with just "shiftout" function.