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

Serial Read Until

Read a text from the serial port until a delimiter is found.

serial.readUntil(",");

Returns

• a string containing input from the serial port, such as a response typed by a user

Example

The following example reads strings separated by commands (,).

basic.forever(() => {
    let answer = serial.readUntil(",");
    serial.writeLine(answer);
});

See also

serial, serial write line, serial write value