Using Python with Arduino

This series of lessons will teach you how to take your Arduino projects to the next level by having the Arduino interact with the Python programming language. Python is a free program you can download. Since you have already learned the fundamentals of programming through our first 20 Arduino lessons, learning Python will be a snap! Python with Arduino LESSON 1: This lesson introduces the concepts and shows ...

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DE1-SoC: Using SSH keys

The standard Linux SD-Card images that you can get for the DE1-SoC board from the Terasic website have the SSH daemon enabled by default. Through this SSH connection it is possible to log in from a remote terminal or upload files SCP. However, by default you always have to enter a password. This short guide will show how to configure the systems to use SSH keys so no passwords are needed anymore. Furthermor ...

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Humidity sensor using 8051

This project is about a simple humidity sensor based on 8051 microcontroller. Humidity sensor is also called hygrometer. This circuit can sense relative humidity (RH)  from 20% to 95% at an accuracy of 5%. The humidity information is displayed on a 16×2 LCD display. A relay is also provided which is set to be active when the humidity crosses a certain trip point. The circuit is mains operated and it is very ...

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