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. Empty if no data 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