Measuring soil moisture with an Arduino
In this activity, we will use a soil moisture sensor to keep track of the amount of water in the soil surrounding plants so we can know when the soil …
Controlling a servo motor with an Arduino
Servo motors are motors that can be used to rotate parts of machines with precision. Small servo motors can be directly connected to an Arduino microcontroller board to control the position of …
Adjusting the brightness of an LED
LEDs can be switched between HIGH (on) and LOW (off) states when they are connected to the Arduino’s digital pins. However, digital output can only be in either of two …
Using an ultrasonic sensor with Arduino
In this tutorial, you will learn how to connect an ultrasonic sensor (HC-SR04) to an Arduino. An Ultrasonic Sensor is used to measure distance. It emits ultrasound at 40,000 Hz (40kHz) which travels through the …
Using a push button (switch) to control an LED
In this tutorial, we will use a push-button (switch) to turn an LED light on and off. You will need the following: Arduino Uno microcontroller board Breadboard LED light Push …
Controlling an LED light using a mobile app and Bluetooth
This tutorial will show you how to control an LED light on an Arduino using a mobile app and a Bluetooth wireless connection. Parts required Here is what you’ll need: …
Building a 4WD Autonomous Car with Arduino
In this tutorial you will learn to make a 4WD robotic car with built-in obstacle avoidance. This project involves building a 4WD car with an ultrasonic sensor that can detect …
Building a 2WD Arduino robotic car
This tutorial will show you how to use an Arduino to build a 2WD robotic car. You can extend this project by using sensors to measure wheel speed (for improved …
Arduino weather station project
This tutorial will show you how to take temperature readings using the Freetronics temperature sensor and an Arduino Uno. Note that there are two different module types: the temperature sensor …
Christmas Lights Arduino project
The project This project involves green and red LED lights which flash in an alternating pattern. In this project, you will use two LEDs but you can add as many …
Using a light sensor to control an LED
This tutorial explains how to use an Arduino Uno and LDR (light dependent resistor) light sensor to control an LED. The light sensor will detect low-light conditions to turn on …
Blinking LED Arduino project
This video tutorial has been designed for those just starting out with Arduino. For this beginner project, you will need an Arduino Uno microcontroller board, an LED of any colour, a …