Make: Volume 84

CODE YOUR APPLICATION

We will build an application in MakeCode to pass

serial data back and forth from the micro:bit and

the computer through a USB cable.

We’ll need to add a few lines of specialized

code, as shown in Figure

I

.

• Start a new project and explore the Serial

category (aka Serial drawer) off to the side.

• Place the large square serial redirect

to block into the on start block in your

workspace to initialize communication.

• Set the TX and RX dropdown menus to USB_TX

and USB_RX respectively, and leave the baud

rate as high as it will go, 115200 (this allows

lightning fast data transfer).

We’ll need a way for the micro:bit to