The ESP32-CAM is a compact yet powerful development board that packs Wi-Fi, Bluetooth, and camera capabilities into one low-cost module. But with its limited pin count and dual-purpose GPIOs, figuring out which pins to use can be confusing—especially for beginners. In this post, we’ll break down the ESP32-CAM pinout, explain …

Locating an ideal international PCB partner would be like locating a needle in a haystack. There are dozens of manufacturers around the world all of whom say that they are quality, fast and affordable, but how can you expect a person to see the truly great one that is more …

As an electronics manufacturer or buyer, then you have likely realized that Europe is taking sustainability seriously. The continent that introduced RoHS and REACH is implementing a new wave of environmental regulations, and this time, they are going deeper into supply chains than they have ever done before. To the …

The way learning has been changed in the last ten years is dramatic. Gone are the days when the definition of education was sitting and passively taking lectures or taking hours with a highlighter and a pile of textbooks. The modern digital transformation trends provide a spectacular set of tools …

Have you ever wondered why your smartphone works, your laptop performs, or your smart home devices talk in unison, it is very possible that you have found the answer in something that you rarely see: the printed circuit board, or PCB. These complex green boards are the unrecognized heroes of …

Did you remember last time you were in a store, and trying to determine whether that sale was a good deal or not? Or when you tried to divide a dinner bill with your friends without using the mental math that simply would not add? We've all been there. The …

As someone who spends most of his time tinkering with microcontrollers, debugging circuit boards, and teaching others how electronics work, I’ve always been fascinated by the overlap between theory and real-world application. It’s one thing to design an embedded system in simulation or build a prototype on a breadboard, but …

Introduction to LM35 Temperature Sensor The LM35 is a precision temperature sensor that provides an analog voltage output proportional to the measured temperature. It's popular among electronics enthusiasts for its simplicity, accuracy, and ease of use with microcontrollers like Arduino and ESP32. In this tutorial, you’ll learn how LM35 works, …

Introduction: What Is the ESP32 Keyboard Project? The ESP32 Keyboard project allows your ESP32 board to act as a Bluetooth keyboard that can wirelessly send keystrokes to computers, tablets, and smartphones. Using the open-source ESP32 BLE Keyboard library by T-vK, you can emulate a full HID (Human Interface Device) keyboard …

Was that an earthquake, or did I just stand up too fast? If you’ve ever asked that question — then this project’s for you. We’re building an ESP32 Earthquake Monitor that fetches live data from the USGS Earthquake API, locates your position via NEO-6M GPS, and alerts you through an …