Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing ...

"Where did my pet go?" If you have a pet, you've probably asked this question at least once. One moment they're playing ...

Radar, this project from [Mateusz Juszczyk] isn’t actually using radar. But thanks to the round LCD this desktop gadget does ...

In our previous factory test, we confirmed the attenuation caused by buildings while also experiencing the incredible sensitivity of LoRa (SF12). This time, assuming a more practical scenario, we will ...

This project provides an open-source, affordable, and fully customizable remote control (RC) link solution utilizing readily available ESP32/ESP8266 microcontrollers and Semtech LoRa modules. By ...

What if you could replace a $20,000 military-grade router with a DIY system costing just $106.23? It sounds improbable, but thanks to open source ingenuity and affordable hardware, it’s entirely ...

Today, we’re going to build a smart gps tracker using Arduino that can help you keep tabs on your child’s location – and as a bonus, it can also be used for tracking vehicles or other valuable items.

Location tracking is crucial to many applications, from navigation to asset management. Traditional GPS-based systems have limitations, especially indoors or in urban environments with signal ...

I needed to come up with a communications device to transmit a handful of bytes, every hour, from a small off-grid solar system to my shop about 150 feet away. The first thought was Wi-Fi, but I ...