Залил проект

LightDataTransfer/LightDataTransfer.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net7.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <PlatformTarget>ARM64</PlatformTarget>
+        <Nullable>enable</Nullable>
+        <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Iot.Device.Bindings" Version="3.0.0" />
+      <PackageReference Include="MorseSharp" Version="3.1.1" />
+      <PackageReference Include="System.Device.Gpio" Version="3.0.0" />
+    </ItemGroup>
+
+</Project>

LightDataTransfer/Program.cs

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+using System.Device.Gpio;
+using System.Device.Gpio.Drivers;
+using MorseSharp;
+using MorseSharp.Converter;
+
+TextMorseConverter converter = new TextMorseConverter(Language.English);
+const int redPin = 17;
+const int greenPin = 27;
+const int bluePin = 22;
+
+// Здесь мы используем SysFsDriver, потому что он быстрее всех остальных
+// https://github.com/dotnet/iot/issues/1490
+using GpioController gpio = new GpioController(PinNumberingScheme.Logical, new SysFsDriver());
+
+gpio.OpenPin(redPin, PinMode.Output);
+gpio.OpenPin(greenPin, PinMode.Output);
+gpio.OpenPin(bluePin, PinMode.Output);
+gpio.Write(redPin, PinValue.High);
+gpio.Write(greenPin, PinValue.High);
+gpio.Write(bluePin, PinValue.High);
+
+var morse = await converter.ConvertTextToMorse("Hello world");
+Console.WriteLine("Morse: " + morse);
+while (true)
+{
+    Console.Write("Enter speed multiplier: ");
+    int speedMultiplier = Convert.ToInt32(Console.ReadLine());
+    Console.Write("Morse: ");
+    for (int i = 0; i < morse.Length; i++)
+    {
+        Console.Write(morse[i]);
+        switch (morse[i])
+        {
+            case '.':
+                gpio.Write(redPin, PinValue.Low);
+                Thread.Sleep(1 * speedMultiplier);
+                if (morse[i + 1] is not ' ' and not '/')
+                {
+                    gpio.Write(redPin, PinValue.High);
+                    Thread.Sleep(1 * speedMultiplier);
+                }
+                break;
+            case '_':
+                gpio.Write(redPin, PinValue.Low);
+                Thread.Sleep(3 * speedMultiplier);
+                if (morse[i + 1] is not ' ' and not '/')
+                {
+                    gpio.Write(redPin, PinValue.High);
+                    Thread.Sleep(1 * speedMultiplier);
+                }
+                break;
+            case '/':
+                gpio.Write(redPin, PinValue.High);
+                Thread.Sleep(1 * speedMultiplier);
+                break;
+            case ' ':
+                gpio.Write(redPin, PinValue.High);
+                Thread.Sleep(3 * speedMultiplier);
+                break;
+            default:
+                Console.WriteLine("Unknown morse code: " + morse[i]);
+                break;
+        }
+    }
+    Console.WriteLine();
+}
+
+gpio.ClosePin(redPin);
+gpio.ClosePin(greenPin);
+gpio.ClosePin(bluePin);