Using a LCD16x2 Screen with Arduino

Using a LCD16x2 Screen with Arduino

One element that displays the most used in the world is information Arduino liquid crystal display (Liquid Crystal Display) LCD 16×2. When an electronic system is made, it may be interesting as it gives us some information about his condition without having to...
Using a distance sensor GP2Y0A21 with Arduino

Using a distance sensor GP2Y0A21 with Arduino

The sensor GP2Y0A21 is an infrared distance sensor from Sharp that can detect object located at a distance between 10 and 80cm in front of it. Hardware Computer ArduinoUNO USB A/B GP2Y0A21 Operating principle The distance sensor GP2Y0A21 uses infrared light to...
Program a NodeMCU with Arduino IDE

Program a NodeMCU with Arduino IDE

A large number of microcontrollers such as NodeMCUs can be programmed with the Arduino IDE. Arduino boards are powerful and very practical for learning and carrying out projects, with an extremely large mutual aid community. However, there are other microcontrollers...
Using a RFID module with Arduino

Using a RFID module with Arduino

The RFID module is a smart card reader which allows among others, to activate a mechanism when the correct card is presented to the reader. We will use here the RC522 module, which is the most common. Hardware Computer ArduinoUNO USB Cable Module RFID Dupont Cable M/F...
Using a Potentiometer with Arduino

Using a Potentiometer with Arduino

The potentiometer is a variable resistor which is used to vary the voltage at its terminals. It is used in several applications including set a value: adjust the brightness of a light, adjust the volume of a speaker, change the position of a servomotor, etc. Hardware...
Luminosity measurement with a photoresistor

Luminosity measurement with a photoresistor

A photoresistor is an electronic component that measures ambient light. This component is useful in some projects such as a solar panel light follower or home automation to create a smart lamp that only turns on when it is dark or to set up an alarm with a laser...
Read and write on a SD card with Arduino

Read and write on a SD card with Arduino

One of the weak spot of the Arduino is the memory space. When playing with data (saving measurement, reading or writing to a file, etc.), it is necessary to have lot of space available. You can easily add memory to the Arduino with a Secure Digital card or SD card.  ...
Program your Raspberry Pi with C/C++

Program your Raspberry Pi with C/C++

Ressources for Raspberry PI are generally written for Python but, as a micro computer, other languages can be used. If you know C/C++ ( If you come from the Arduino world, for instance) and don’t want to bother learning another computing language, it is possible...
Command a serial controller Maestro with Raspberry Pi

Command a serial controller Maestro with Raspberry Pi

When dealing with several servomotors and an extra number of outputs is needed to operate your robot (to control Hexana, for instance), a practical solution is to use a serial controller such as the Mini Maestro from Pololu. Prerequisite: Programming on Raspberry Pi,...
Control a DC Motor with Raspberry Pi

Control a DC Motor with Raspberry Pi

One of the main objectives in robotics is to make things move on their own. To give motion to a robot, electrical motors are oftenly used such as direct current (DC) motors especially for mobile robots. In this tutorial, we will see how to control such a motor using...
Control a stepper with RaspberryPi

Control a stepper with RaspberryPi

Steppers are used when high precision is required with open-loop control. We’ll see how to program your Raspberry Pi to control a stepper motor. Prerequisite: Programming with Raspberry Pi Material Screen HDMI cable Keyboard Raspberry PI 3 (with OS on micro SD)...
Create a component in Fritzing

Create a component in Fritzing

When working on an electronics project, it’s a good idea to put your ideas on paper to make sure you do not forget anything before implementation. This allows you to verify the concept and to share a clear representation of your work with other interlocutors...
Arduino and Bluetooth module HC-05

Arduino and Bluetooth module HC-05

Arduino can communicate with other devices via Bluetooth using the module HC-05 (master/slave). It enables the Arduino to connect and exchange data with other devices such as Smartphone, computer or other microcontrollers.Bluetooth communication can be used to control...
Command a serial controller Maestro with Arduino

Command a serial controller Maestro with Arduino

When dealing with several servomotors and an extra number of outputs is needed to operate your robot (to control Hexana, for instance), a practical solution is to use a serial controller such as the Mini Maestro from Pololu. Prerequisite: Programming with Arduino,...
Build a simple servomotor driver

Build a simple servomotor driver

To control a large number of servomotors with Arduino, or other microcontroller, a servomotor driver need to be used in order to power and to send the PWM signals to the Servomotors. Several methods can be used such as using a breakout shield or a serial servo...
Control a servomotor with RaspberryPi

Control a servomotor with RaspberryPi

One of the main objective in robotics is to make things move. A way to do that is to use servomotors. In this tutorial, we’ll see how to program your Raspberry Pi to control such a device. Prerequisite: Programming with Raspberry Pi Material Screen HDMI cable...
Control 3 LEDs with Arduino and one pushbutton

Control 3 LEDs with Arduino and one pushbutton

  One of the easiest and quickest way to start learning programming and electronics with Arduino is to use LEDs. We’ll see here how to control LEDs and how to select different functionalities of the code using only one button. This summarize in a simple way what...
Create an app with App inventor 2

Create an app with App inventor 2

Learn how to create an application for Android very simply using App Inventor 2. In the fields of robotics and connected objects, one of the most interesting features to implement is the remote control of an electronic project. Whether to display measurements from his...
Arduino and Bluetooth module HC-06

Arduino and Bluetooth module HC-06

Arduino can communicate with other device via Bluetooth using the module HC-06 (slave).  It enables the Arduino to be connected and exchange data with other devices such as Smartphone, computer or other microcontrollers. Bluetooth communication can be used to control...
Control a stepper motor with Arduino

Control a stepper motor with Arduino

One of the main objectives in robotics is to make things move on their own. To give motion to a robot, electrical motors are used such as stepper motors especially when precision is required with an open-loop control. prerequisite: Programming with Arduino   Material...
Temperature and humidity measurement with sensor DHT11

Temperature and humidity measurement with sensor DHT11

The sensor DHT11 can measure temperature and humidty in a room. Here is a tutorial on how to retrive the sensor measurement with a Arduino board. Material Computer Arduino UNO USB cable sensor DHT11 Jumper cables male/male breadboard Wiring DHT11 Code The program to...
Distance measurement with sensor HC-SR04

Distance measurement with sensor HC-SR04

The HC-SR04 is an ultrasonic sensor that measures distance with ultrasound waves. It uses the same principle as a sonar which is sending a sound wave and measuring the time between the transmission and reception of its echo. Material Computer Arduino UNO USB cable to...
Temperature measurement with LM35

Temperature measurement with LM35

The temperature sensor LM35 is a small easy to use, easy to find device. Its output voltage is directly proportional to the temperature and gives a precise measurement. Material Computer Arduino UNO USB cable to connect Arduino to the computer Temperature sensor LM35...
Communicate with Arduino

Communicate with Arduino

The easiest way to communicate with Arduino is to use the serial port. It is also the most powerful tool to test and debug your code. Material Computer Arduino UNO x2 Jumper cable M/M x3 Communication with the Serial Monitor The functions from the Serial library to...
Programming with Raspberry Pi

Programming with Raspberry Pi

Material Computer Screen HDMI cable Keyboard Raspberry PI 3 Micro SD card Mouse Charger micro USB B   Software installation Download the offcial Raspbian installer NOOBS on the Raspberry PI website. Once the ZIP file downloaded, extract the files in a folder NOOBS....
Control a DC motor with Arduino

Control a DC motor with Arduino

One of the main objectives in robotics is to make things move on their own. To give motion to a robot, electrical motors are oftenly used such as direct current (DC) motors especially for mobile robots. In this tutorial, we will see how to control such a motor using...
Using a distance sensor GP2Y0A21 with Arduino

Give senses to your robot

Un robot está constituido por cuatro componentes principales: Motores para el movimiento, Mecánica para mantener las piezas unidas, sensores para que reaccionen al entorno y un código para controlarlas y crear la funcionalidad deseada. Sensors plays an important role...
Control a Servo with Arduino

Control a Servo with Arduino

One of the main objective in robotics is to make things move. A way to do that is to use servomotors. In this tutorial, we’ll see how to program your Arduino to control such a device and we’ll learn how to use libraries especially Servo.h. Prerequisit:...
Programming with Arduino

Programming with Arduino

One of the most used tool in the world of Makers to learn or create personal project is the Arduino board. This tutorial explains how to install and use the Arduino programming software. Material Computer Arduino board Software installation Download the latest version...