We’ve seen lots of brilliant DIY projects using solar panels, but the reality is that energy efficiency is a real challenge. If you’ve tried to power an ESP32 or a Raspberry Pi with a small solar panel and failed, you’re not alone. This post complements our project on Enerlogic — Energy Wizard and … Read more
Learn how to control an electronic load with MOSFETs and an ESP32, improving your projects with automation, graphs and tests from the browser.
Learn all about the ESP32 Relay Board x8: 8-relay control, easy programming and applications in home automation, irrigation and automation from scratch, with explanations and code.
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.
