pxt-calliope/docs/reference/serial/read-string.md

Serial Read String

Read the buffered serial data as a string.

serial.readString();

Returns

• a string containing input from the serial port. The string is empty if no data is available.

Example

The following program scrolls text on the screen as it arrives from serial.

basic.forever(() => {
    basic.showString(serial.readString());
});

See also

serial, serial write line, serial write value