Transmitter Project for Keyboard Inputs

Let’s build on experience, and adapt a familiar project from a previous tutorial to use keyboard inputs.

Starting with the countdown_sender project from the Send and Receive Packets activity, you can replace its input statements with the ones from terminal_controlled_bot_tethered_try_this. Then, the dictionary that’s created has to be adjusted to contain the vL, vR, and ms keys and values. That’s the most crucial part of incorporating the terminal-in, radio-out part of your tethered app into a project that wirelessly transmits. 

You will also need to make a few other adjustments. Here they are, step-by-step:

•  Open the countdown_sender project from Send and Receive Packets.
• Find these blocks:

• Replace them with these blocks we made earlier:

• Then find this block:

• Replace it with this block:

• Find these blocks:

Replace it with this block:

• Make sure your using the radio send long string block:

• If you are in a classroom and using assigned channels, update your channel. 

• Duplicate and rename the project terminal_bot_controller_wireless.

Now, your project should be ready. 

• Verify the changes you made against the example project shown below.
• Load the code into the micro:bit you plan to use as the transmitter.

Example Project: terminal_bot_controller_wireless