See also

You can find out more information using the following references:

• Documentation on the red_led property can be found at https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/api.html#adafruit_circuitplayground.express.Express.red_led.
• Details on importing the cpx variable can be found at https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/#usage-example.