
N
ow that you have set up your Pico, you will
find that it can function easily as a radio
transmitter. This is because an appropriate
sketch can tell the Pico to create a wide range of
frequencies, all the way up to 10MHz (megahertz,
not kilohertz).
In fact, the Pico can do two things at once:
generate a carrier wave and modulate it with
an audio frequency. Better still, it can do this
precisely, unlike the 555 timer ...