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Learn how to interface the DHT11 and DHT22 digital temperature sensors with the Raspberry Pi to get temperature and humidity readings. You’ll learn how to connect the sensors to the Raspberry Pi, include the required libraries, and write a Python…

In this project, you’re going to build a data logger with the Raspberry Pi and the BME280 sensor that automatically stores data on temperature, humidity, pressure, and the corresponding timestamp on a .txt file. This project gives you the basics of data…

Learn how to interface the BME280 sensor with the Raspberry Pi to get temperature, humidity, and pressure readings. You’ll learn how to connect the sensor to the Raspberry Pi board and write a Python script that gets sensor data and…

In this guide, you’ll learn how to send an email from your Raspberry Pi using a Python Script and SMTP servers. The example we’ll show can also be run on any other machine that runs Python. You may also like…

In this guide, you’ll learn how to set the Raspberry Pi GPIOs as digital inputs and how to read their state using a Python program. As an example, we’ll read the state of a pushbutton (pressed or not pressed), but…

In this guide, you’ll learn how to read analog signals on the Raspberry Pi GPIOs using a Python program. The Raspberry Pi can only read digital signals. To read analog signals, we need to use an analog-to-digital converter like the…

In this guide, you’ll learn how to generate PWM signals on the Raspberry Pi GPIOs. As an example, we’ll show you how to dim the brightness of an LED by changing the duty cycle over time. Generating PWM signals can…

In this guide, you’ll learn how to set the Raspberry Pi GPIOs as digital outputs and control them using a Python program. As an example, we’ll show you how to control an LED connected to one of the Raspberry Pi…

The Raspberry Pi 4 Model B and most recent versions of the Raspberry Pi have a double row of 40 GPIOs (General Purpose Input/Output Pins) that allow you to connect electronic components like LEDs and sensors. Some pins have specific…

In this guide, we’ll show you how you can create complex automation schedules easily using Node-RED and the Big Timer node. The Big Timer node provides a huge range of timing facilities that will take your automation to the next…