# Microbit Radio
###### tags: `microbit` `radio`
## 使用Microbit Radio

++Device A:++
==Radio_A.py==
```python=
# Write your code here :-)
# A micro:bit Firefly.
# By Nicholas H.Tollervey. Released to the public domain.
import radio
import random
from microbit import display, Image, button_a, sleep
# The radio won't work unless it's switched on.
radio.on()
#設定Channel及惟一相對的32-bit address
radio.config(channel=9,address=0xe369fb16)
# Event loop.
while True:
# Button A sends a "flash" message.
if button_a.was_pressed():
radio.send('FROM-A') # a-ha
# Read any incoming messages.
incoming = radio.receive()
if incoming == 'FROM-B':
display.show(incoming)
```
++Device B:++
==Radio_B.py==
```python=
# Write your code here :-)
# A micro:bit Firefly.
# By Nicholas H.Tollervey. Released to the public domain.
import radio
import random
from microbit import display, Image, button_a, sleep
# The radio won't work unless it's switched on.
radio.on()
#設定Channel及惟一相對的32-bit address
radio.config(channel=9,address=0xe369fb16)
# Event loop.
while True:
# Button A sends a "flash" message.
if button_a.was_pressed():
radio.send('FROM-B') # a-ha
# Read any incoming messages.
incoming = radio.receive()
if incoming == 'FROM-A':
display.show(incoming)
# Write your code here :-)
```