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 what was seen in previous tutorial.
News: Stephen Hawking dies at 76
In this Wednesday, the great physicist Stephen Hawking dies in Cambridge, United Kingdom.
Small hydropower plants
Not all hydropower plants have to be big, some are small enough to be used in small rivers. The small hydropower plants are this post’s subject.
What is quantum computing? (Part 1)
This post is the first part about what is quantum computing and the working principle of quantum computer. These computers promise to replace the actual electronics and have a much higher power processing.
Light pollution
This post’s subject is light pollution. Will be explained why it is a problem, the environmental impact, and some measures to reduce this kind of pollution.
What is a ballbot?
Ballbot is a type of robot which moves above a ball. How it works and balance itself? It is this post’s subject.
News: The return of Nokia
Someone remembers Nokia? This company launched 5 new cellphones in World Mobile Congress, in Barcelona.
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 component.
Types of DC motors
It was already published a post about how DC motors work, but these motors are divided by type of winding in the stator. This post will explain the various existing types.
How the LED works?
The Light Emitter Diode (LED) is a component present in almost all electronic devices and probably will dominate the public illumination. This post will explain how they work.
