import radio
from codex import *
from time import sleep

radio.on()
radio.config(channel=6)
display.print("ON", color=GREEN)

# Use an infinite loop 
while True:
    if buttons.was_pressed(BTN_A):
        pixels.set(0, GREEN)
        radio.send('Hello from Joe')
        sleep(0.1)
        pixels.set(0, BLACK)

    msg = radio.receive()
    if msg:
        display.print(msg)

    # Clear the display
    if buttons.was_pressed(BTN_B):
        display.clear()