¿Estás pensando en usar la ESP32 Relay Board x8 para tus proyectos de domótica, automatización o riego? En esta guía te explico de forma clara y práctica todo lo que necesitas saber para comenzar: qué es esta placa, cómo funciona y cómo puedes programarla desde cero. Aunque este contenido acompaña a un vídeo donde se … Read more
Let's see how we can generate a variable voltage with Arduino, ESP8266 and ESP32 using different techniques.
We are going to build a constant current variable electronic load, easy and with few components, to do experiments.
Do you, like me, want to reduce (or even eliminate) the annoying noise of the Raspberry Pi 4 fan? If so, here is the ultimate solution. Easy and cheap.
Learn how to build, and how it works, a PWM driver with a MOSFET transistor!
I will explain how to build, and how it works, a PWM controller or driver with a "normal" bipolar transistor.
Do you need to repair your switching power supply? Here's how you can repair a malfunctioning power supply yourself.
The Loto Instruments OSC482 oscilloscope is one of the most frequently used measuring instruments in my laboratory. I am delighted with it and it has become a must-have.
We are going to see how to control the speed of a fan with PWM. What it consists of and why to do it this way.
