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Adafruit Arduino Selection Guide

Which Arduino is Right for Me?

This guide explains the differences between the various types of Arduinos and Arduino compatible microcontrollers and helps you to select the one that best fits your needs.

Arduino Lesson 17. Email Sending Movement Detector

Use an Arduino to send an email, whenever movement is detected with a PIR sensor.

In this lesson you will learn how to use a PIR movement detector with an Arduino and to have the Arduino communicate with a Python program running on your computer to send an email whenever movement is detected by the sensor.

Lesson 0. Getting Started

Learn Arduino, Lesson 0. Getting Started

In this lesson, you will learn how to setup your computer to use Arduino and how to set about the lessons that follow.

All About Arduino Libraries

How to install and use Arduino Libraries

This guide takes you step-by-step through the process of installing Arduino libraries on Windows, Mac OSX and Linux platforms.

Arduino Tips, Tricks, and Techniques

Get the most out of your Arduino

Here is a growing collection of tips, tricks, and techniques for the Arduino.

Arduino Lesson 16. Stepper Motors

Learn Arduino, Lesson 16. Stepper Motors

In this lesson you will learn how to control a stepper motor using your Arduino and the same L293D motor control chip that you used with the DC motor in lesson 15.

Arduino Lesson 15. DC Motor Reversing

Learn Arduino, Lesson 15. DC Motor Reversing

This is Lesson 15 in the Learn Arduino Adafruit series. In this lesson, you will learn how to control both the direction and speed of a small DC motor using an Arduino and the L293 motor driver chip.

Arduino Lesson 14. Servo Motors

Learn Arduino, Lesson 14. Servo Motors

This is Lesson 14 in the Learn Arduino Adafruit series. In this lesson, you will learn how to control a servo motor using an Arduino. Firstly, you will get the servo to sweep back and forth automatically and then you will add a pot to control the position of the servo.

Arduino Lesson 13. DC Motors

Learn Arduino, Lesson 13. DC Motors

This is Lesson 13 in the Learn Arduino Adafruit series. In this lesson, you will learn how to control a small DC motor using an Arduino and a transistor.

Arduino Lesson 12. LCD Displays - Part 2

Learn Arduino, Lesson 12. LCD Displays - Part 2

This is Lesson 11 in the Learn Arduino Adafruit series. In this lesson, you will build on what we have learnt in lesson 11 and use a LCD display to show the temperature and light intensity.

Arduino Lesson 11. LCD Displays - Part 1

Learn Arduino, Lesson 11. LCD Displays - Part 1

This is Lesson 11 in the Learn Arduino Adafruit series. In this lesson, you will learn how to wire up and use an alphanumeric LCD display.

Arduino Lesson 10. Making Sounds

Learn Arduino, Lesson 10. Making Sounds

This is Lesson 10 in the Learn Arduino Adafruit series. In this lesson, you will learn how to make sounds with your Arduino. First you will make the Arduino play a 'musical' scale and then combine this with a photocell, to make a Theramin-like instrument that changes the pitch played as you wave your hand over the photocell.

Arduino Lesson 9. Sensing Light

Learn Arduino, Lesson 9. Sensing Light

This is Lesson 8 in the Learn Arduino Adafruit series. In this lesson, you will learn how to measure light intensity using an Analog Input. You will then build on lesson 8 and use the level of light to control the number of LEDs to be lit.

Arduino Lesson 8. Analog Inputs

Learn Arduino, Lesson 8. Analog Inputs

This is Lesson 8 in the Learn Arduino Adafruit series. In this lesson, you will be start of using the Serial Monitor to display analog readings, and then extend the project using eight LEDs from lesson 4, so that you can control the number of LEDs that are lit by turning the knob on a variable resistor.

Arduino Lesson 7. Make an RGB LED Fader

Learn Arduino, Lesson 7. Make an RGB LED Fader

This is Lesson 7 in the Learn Arduino Adafruit series. In this lesson, you will be combining some of the things that you learnt in earlier lessons to use three push switches (from lesson 6) to control the color of the RGB LED that you used in lesson 3.

Arduino Lesson 6. Digital Inputs

Learn Arduino, Lesson 6. Digital Inputs

This is Lesson 5 in the Learn Arduino Adafruit series. In this lesson, you will learn to use push buttons with digital inputs to turn an LED on and off.

Arduino Lesson 5. The Serial Monitor

Learn Arduino, Lesson 5. The Serial Monitor

This is Lesson 5 in the Learn Arduino with Adafruit series. In this lesson, you will build on lesson 4, adding the facility to control the LEDs from your computer using the Arduino Serial Monitor.

Arduino Lesson 4. Eight LEDs and a Shift Register

Learn Arduino, Lesson 4. Eight LEDs and a Shift Register

This is Lesson 4 in the Learn Arduino Adafruit series. In this lesson, you will learn how to use eight LEDs using the 74HC595 shift register chip.

Arduino Lesson 3. RGB LEDs

Learn Arduino, Lesson 3. RGB LEDs

This is Lesson 3 in the Learn Arduino Adafruit series. In this lesson, you will learn how to use a RGB LED with an Arduino.

Arduino Lesson 2. LEDs

Learn Arduino, Lesson 2. LEDs

This is Lesson 2 in the Learn Arduino Adafruit series. In this lesson, you will learn how to change the brightness of an LED by using different values of resistor.

Arduino Lesson 1. Blink

Learn Arduino! Lesson 1. Blink

This is Lesson 1 in the Learn Arduino from Adafruit series. In this lesson, you will learn how to program your Arduino to make the Arduino's built-in LED blink.