from machine import Pin,ADC
from utime import sleep
from segment7 import disp7

sleep(0.1)
pot=ADC(Pin(26))
while 1:
    val=pot.read_u16()
    valnorm=val/65535*99
    disp7(valnorm)
    sleep(0.2)



main.py

diagram.json

from machine import Pin

seg7a=(Pin(1,Pin.OUT),Pin(0,Pin.OUT),Pin(2,Pin.OUT),
      Pin(3,Pin.OUT),Pin(4,Pin.OUT),Pin(5,Pin.OUT),
      Pin(6,Pin.OUT))
seg7b=(Pin(7,Pin.OUT),Pin(8,Pin.OUT),Pin(9,Pin.OUT),
      Pin(11,Pin.OUT),Pin(12,Pin.OUT),Pin(13,Pin.OUT),
      Pin(14,Pin.OUT))
table=((1,1,1,1,1,1,0),(0,1,1,0,0,0,0),(1,1,0,1,1,0,1),
       (1,1,1,1,0,0,1),(0,1,1,0,0,1,1),(1,0,1,1,0,1,1),
       (1,0,1,1,1,1,1),(1,1,1,0,0,0,0),(1,1,1,1,1,1,1),
       (1,1,1,1,0,1,1))


def disp7(number):
    # 27 
    for i,j in zip(table[int(number%10)],seg7a):
        j.value(i)       #common cathode
    for i,j in zip(table[int(number/10)],seg7b):
        j.value(not(i))  #common anode