For the micro:bit, ASCII character codes 32 to 126 are supported; letters, digits, punctuation marks, and a few symbols. All other character codes appear as a ? on the LED screen.
String
A String is a sequence of characters.
Create a string variable
let greeting = "Hello";To create a variable that holds a string:
Click
Variables(in the Block drawer).Type a name for your new string variable by clicking the down arrow, then click New Variable. Then type the variable name “salutation”
Drag a string block on the right side of the operator.
Click
"Hello"and then type a string likehello.
Your code should look something like this:
let greeting = "Hello";