If all is well, you can use your transmitter micro:bit (with battery pack) and you can press the A and B buttons and have A and B appear on the screen.

What is happening at the receiver end?

When the micro:bit + Crickit get the button A press, it moves the servo motor. One press moves it to 100 degrees, another press moves it back to zero.

For button B, one press lights the NeoPixel LED strip to a rainbow of colors, a second press turns it off.

Congratulations, you're using radio control!

Next Steps

Now that you have solid examples of a transmitter and receiver, what would you like to build? A radio-controlled robot? Mood lights for your room? 

You can review the numerous examples of Crickit projects in the Adafruit Learning System to get ideas for Crickit-based projects. Don't worry if they use CircuitPython, you can come back to MakeCode and look to implement your own version. Have fun!

This guide was first published on Feb 27, 2019. It was last updated on Feb 27, 2019.

This page (Use) was last updated on Jan 02, 2020.

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