using System; using System.Collections.Generic; using System.IO.Ports; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using Unosquare.RaspberryIO; using Unosquare.RaspberryIO.Abstractions; using Unosquare.WiringPi; namespace WaveshareUARTFingerprintSensor.Sample { class Program { static void Main(string[] args) { var sensor = new FingerprintSensor(FingerprintSensor.PrimarySerialPort); sensor.Start(); var count = sensor.GetUserCount(); Thread.Sleep(-1); } } }