Reading DHT11 Temperature and Humidity Sensor Data with C# in .NET 5
Development environment: VS2019 + .NET 5 Console Application.
To access Raspberry Pi GPIO data with C#, install the System.Device.Gpio package from NuGet. The DHT11 temperature and humidity sensor connects to the Raspberry Pi via GPIO pins, and its data protocol can be obtained with the sensor documentation. In .NET 5, DHT11 sensor data is ret ...
Posted on Thu, 14 May 2026 10:51:56 +0000 by cobaltblue
Raspberry Pi 4B Button-Controlled LED Operation
Button Operation Principal
A push button functions by connecting or disconnecting a circuit. When pressed, the circuit closes; when released, it opens. To read this state via a Genarel Purpose Input/Output (GPIO) pin, the pin must not be left floating, as ambient electrical noise could cause erratic readings. To prevent this, a pull-up or pull- ...
Posted on Sun, 10 May 2026 16:06:37 +0000 by bladechob