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 …

Introduction The MT40A512M16LY-075:E is a DDR4 SDRAM with a 96-ball BGA design. This Dynamic Ram module  8n-prefetch architecture to perform operations at high speeds, combined with an interface designed to transfer two data words per clock cycle at the I/O pins. This configuration of the MT40 SDRAM offers a data …

Introduction The LTM4644 is a step-down voltage regulator micro-module with 4 outputs, each offering up to 4 Amperes of current limit. With a parallel output configurable array of loads, the total current that this regulator is able to provide is approximately 16 Amperes, making it a great choice for power …

In the bustling world of beauty salons, where every brushstroke and product choice can define a brand's reputation, mastering the art of e-commerce merchandising is crucial. You stand at the intersection of creativity and commerce, where the digital display of your products can spell the difference between a sale and …

Programming PIC microcontrollers usually requires specialized hardware programmers like the PICkit series. But what if you don’t have one? Thanks to open-source projects like a-p-prog, you can turn an Arduino Uno or Nano into a PIC programmer that works over the In-Circuit Serial Programming (ICSP) interface. In this tutorial, we’ll …

Microcontrollers are the invisible powerhouses driving modern industrial automation. Found in everything from robotic arms to power distribution systems, these small yet powerful integrated circuits are designed to execute specific control functions with precision and reliability. With industries evolving toward smart manufacturing and interconnected systems, the industrial applications of microcontrollers …