python

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How to Use a Photoresistor From Raspberry PI To Detect Light with Python 4 (1)

In this article, I’ll show you how to use a Photoresistor with Raspberry PI computer boards and Python to detect if a light level is high or low. About Photoresistors A photoresistor (also known as photocell or light sensor) is a Light Dependent Resistor (LDR). As the name suggests, these components act just like a […]

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How To Control a Ultrasonic Sensor with Raspberry PI: Get Object Distance with Python 4.5 (4)

This tutorial will show you how to use an HC-SR04 Ultrasonic Sensor with a Raspberry PI computer board, giving you the wiring diagram and the Python code to test it. Ultrasonic Sensors are great for all kinds of projects that need distance measurements, like obstacle detection. It is a cheap and easy-to-use solution which gives

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How to use Scrapy on Raspberry PI: Build your Personal Web Crawler 5 (2)

In this article I’ll show you how to create and configure a simple spiderbot (which crawls peppe8o.com home page posts) with a Scrapy on Raspberry PI computer board. I’ll use the Raspberry PI Zero 2W, but this applies also to other Raspberry PI computer boards. A web crawler (also known as spider or spiderbot) is

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