networkSelect.py

from microbit import *

networkID = 0 # Change the channel variable in the radio.configure to this

def selectNetwork(): # Call this function before calling anything else
    global networkID
    currentID = networkID
    while True:
        if button_a.is_pressed() and button_b.is_pressed():
            networkID = currentID
            display.scroll("Chan." + str(networkID) + "selected")
            break
        elif button_a.is_pressed():
            currentID = (currentID - 1) % 10
            display.show(str(currentID))
        elif button_b.is_pressed():
            currentID = (currentID + 1) % 10
            display.show(str(currentID))
        sleep(200)