How to Display“Hello World!”with Micro:bit?
This project is very simple. A micro:bit could display“Hello World!”through a USB cable. This is also an entry experiment for you to enter the programming world of micro bit.
In the experiment, we will serve CoolTerm program as a serial communication software.
Components Required:
Micro:bit main board*1
USB cable*1
Test Code

Test Results
Connect micro:bit to computer via USB cable and transfer code to micro:bit.
Open CoolTerm, click Options and select SerialPort, set COM port and baud rate(115200). Click OK and Connect.
Tap“Capslock”to set to capital mode and press“R”on keyboard, as a result, “ Hello World!”will be displayed as below:









