Chris Bartley

Line 197, where you slice data, which reads: `var output = data.slice(0, 19);` ...should instead read: `var output = data.slice(0, 20);` because the `endIndex` for `slice()` is exclusive. https://github.com/tigoe/BluetoothLE-Examples/blob/976148f7b7b4ab3f70886c8978da614fd20da659/noble/readSerial/ble-uart.js#L197