In this post, will be taught how to supply LEDs properly and use in your projects. In addition to some ideas of circuit projects with LEDs.
Category: Hobby
Arduino tutorial (Part 6, ultrasonic sensor)
In this sixth part of Arduino tutorial, will be explained how it works and how to use the ultrasonic sensor HC-SR04. I will show some projects involving this sensor and…
Meet the reed switch
This post’s subject is a little known component: the reed switch. This is a magnetic sensor and will be explained how it works and what you can do with this…
Using the MSP430 LaunchPad in an easy way
In this post I will show a different microcontroller. The MSP430 Launchpad is an alternative to Arduino.
Arduino tutorial (Part 4, random numbers)
In this forth part of Arduino tutorial, I will show how to use random commands to generate random numbers. One of the applications is to control devices randomly.
H bridge
If you want to build a vehicle or a mobile robot with wheels or mats, you will need a H bridge, a circuit which controls the two directions of a…
Pulse Width Modulation (PWM)
I will talk about what is pulse width modulation (PWM), how this technology is useful to electronics and robotics projects and how to use it.
Brushless motor
This post’s subject is about brushless motor. This type of motor is much used in drones and model airplanes for be light and has great rotation speed, making it good…
Arduino tutorial (Part 3)
In the third part of this tutorial, I will show how to use servomotors and new commands. This post has been updated.
Arduino tutorial (Part 2)
The second part of Arduino tutorial series will show how to implement digital inputs, use buttons, and analog inputs to use sensors. Click in the following button to see the…