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Using a Joystick with Arduino

Using a Joystick with Arduino

by | 2 Oct 2020 | Tutorials

The joystick is a position sensor which returns two analogue values representing its X,Y position. It can be used as an interface to navigate a menu or to control an object in direction or speed. It is commonly found on joysticks for video games, model making remote...
Using a Rotary Encoder with Arduino

Using a Rotary Encoder with Arduino

by | 2 Oct 2020 | Tutorials

The rotary encoder is a rotation sensor whose direction and angle can be known. Similar in appearance to the potentiometer, the encoder has no limit stroke and instead of returning a resistance value, like the potentiometer, the encoder returns two digital signals...
Using the Arduino Motor Shield

Using the Arduino Motor Shield

by | 27 Sep 2020 | Tutorials

The official Arduino Motor Shield is an expansion board for the Arduino UNO and Mega microcontrollers for DC and stepper motor control. We have seen how to drive a DC motor using an H-bridge which can require a lot of wiring when using the IC simply. For an embedded...
Serial communication between Raspberry Pi and Arduino

Serial communication between Raspberry Pi and Arduino

by | 27 Sep 2020 | Tutorials

In some projects it may be interesting to establish a serial communication between Raspberry Pi and Arduino. This makes it possible to couple the computing power and wireless interfaces of the Raspberry Pi with the inputs/outputs and the Arduino collection of modules....
Using a PCA9685 module with Arduino

Using a PCA9685 module with Arduino

by | 9 Aug 2020 | Tutorials

The PCA9685 module is a 16-channel controller that can control 16 PWM outputs via I2C communication. It allows, among other things, to free inputs and outputs of your microcontroller and to drive up to 16 LEDs or servomotors (or any other module taking a PWM signal as...