Diodes are the oldest and most elementary semiconductor. They are also among the most useful, and there are a variety of diodes to do everything from convert AC to DC to detecting radio waves and to producing light.
Today we wil take a look at diodes. We’ll see how they work, and how to use them.
It’s time we took a fresh look at infrared remote controls, so here is everything you need to know about using IR remote controls with microcontrollers.
Learn how to receive, decode and send IR signals, including ones from those hard-to-decode remotes like air conditioners.
Examples with both an Arduino and ESP32.
LoRa is a Long Range radio system that is inexpensive and free to use. You can achieve great distances with a simple wire antenna, and LoRa is very easy to use.
Today we will see how LoRa works and how we can use LoRa modules to communicate between Arduino, ESP32 and Raspberry Pi Pico boards.
We’ll also build a data-gathering system that you can easily expand upon.
Operational Amplifiers, or “op-amps”, are fundamental analog electronics building blocks that are used in both analog and digital designs. And if you are not using them, it’s about time you started!
Op-amps can be wired in dozens of different configurations, they are very versatile.< /p>
Let’s learn more about using Operational Amplifiers.
Learn to use seven different DC motor drivers with an Arduino Uno.
We’ll see how to put these to use with motors of all sizes, and of course we have hookup diagrams and code samples!
Linear DC Power supplies are no longer as common as switching supplies, but they are still a good choice for many applications.
Today we will learn how linear power supplies work, how they differ from switching power supplies, and how to use voltage regulator modules.
We will then construct a DC Power Supply suitable for use on the workbench.
The GC9A01 is a circular LCD module that is ideal for instrumentation and other cool display applications.
In this article, we will learn how to use this display with an Arduino Uno and an ESP32.
Learn how to use both 7-segment and dot-matrix LED displays with an Arduino.
We will be working with both single and multiple display units, in a variety of configurations.
LEDs are by no means dead, they are still a great choice for a number of applications. Add one to your next Arduino project.
The 555 is one of the most popular integrated circuits ever created, with over a billion of them produced every year. In many cases, the 555 is a simpler and better choice than using a microcontroller.
Today we will learn how the 555 works, and then we will build five simple projects using a 555 timer.
LiPo batteries are incredible powerhouses, they have a higher power-to-weight ratio than any other type of battery.
But with all that power comes a number of safety concerns, and not following them could lead to a deadly LiPo fire.
Today we will learn how LiPo batteries work, how to charge, discharge, balance, store and dispose of them. And, just in case, we’ll see how to extinguish a LiPo fire.