Build a dual NRF24L01 ESP32 Bluetooth jammer from scratch. Full circuit diagram, pin connections, firmware flashing & video demo. Educational RF project for makers & engineers.

This step-by-step tutorial walks you through creating a real-time GPS tracker using the budget-friendly Raspberry Pi Pico microcontroller, Neo 6M GPS receiver, and SIM800L GSM module. Learn circuit wiring, Arduino IDE setup, GeoLinker cloud integration, and offline buffering to ensure reliable IoT tracking anywhere.

Learn how to connect RFID to Arduino to build a functional DIY projects using rfid reader and arduino. This beginner-friendly tutorial walks you through the setup and code needed to detect RFID tags. After mastering these Arduino RFID fundamentals, you will be ready to tackle advanced projects like Arduino RFID door lock system and many more.

In this project, we will use Windows Remote Arduino to turn an LED on and off. It is a simple example, but will reveal the power that the library can give you to create many more advanced projects. Let’s get started!

Let’s be honest. We can’t put down our phones long enough to plug them into a speaker. Bluetooth to the rescue! With a love of all things DIY, I built my own set and thought I’d share the experience for anyone else looking to do the same. The basic components only cost about $35, although cost depends on how you want the finished product to look.