The try-catch block in function temperature() covers its callback. This way the library catches all exceptions thrown in the callback, even unrelated ones from applications using the library, and causes it to fail.

Example:

ds18b20.temperature(id, (error, value) => {
    throw new Error("Custom error unrelated to ds18b20");
}

Output:
ERROR: Can not read temperature for sensor XY

The try-catch block should only catch exceptions from parseData() instead.