by Xukyo | 27 Sep 2020 | Tutorials
The PCA9685 module is a 16-channel controller that can control 16 PWM outputs via I2C communication. Among other things, it allows you to free up inputs and outputs of your microcontroller and drive up to 16 LEDs or servomotors (or any other module taking a PWM signal...
by Xukyo | 20 Mar 2020 | Tutorials
To control a motor, whether stepping or direct current, with a Raspberry Pi, it is necessary to add an integrated circuit like an H-bridge. To simplify the assemblies, there are shields like for Arduino , called HAT (hat) at Raspberry. We will see how to communicate...
by Xukyo | 16 Sep 2018 | Tutorials
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,...
by Xukyo | 4 Sep 2018 | Tutorials
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...
by Xukyo | 4 Sep 2018 | Tutorials
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 ScreenHDMI cableKeyboardRaspberry PI 3 (with OS on micro...
