This is CircuitPython library which provides a graphical representation of values read from or written to the GPIO pads/pins using displayio.
This library depends on:
import board
import analogio
import display_pin
dp_pin1 = display_pin.DisplayPin("P1", "read_analog")
board.DISPLAY.show(dp_pin1.group)
pin1 = analogio.AnalogIn(board.P1)
while True:
dp_pin1.value = pin1.value