Why Arduino on a day off?I took the day off work today because I wasn't feeling well.Even while lying down, I couldn't stop thinking about the children at my facility. If that's the case, I thought ...

Build a DIY ESP32 LoRaWAN sensor node to track garden temperature and humidity from up to 600 meters away. Includes PCB ...

Introduction: The success of the LED project and the 'stock LCD' sleeping in the drawerHello, I'm someone who has recently ...

We’re big fans of pushing hardware into situations it wasn’t designed for here at Hackaday, but sometimes you’ve got to ...

Jal Rakshak is Inspired by the urgent need for a proactive, localized defense network, Jal-Rakshak is an autonomous, decentralized Edge AIoT Water Security ...

Decades of research suggest that the quality of our social ties might be the single biggest predictor of our well-being. Social connections are sometimes called “social capital” for good reason: They ...

These open-source ESP32 walkie-talkies use ESP-NOW to exchange audio recordings without a Wi-Fi router, with Arduino firmware ...

There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some sort of autonomy though. [Luca Fagioli ...

Running DOOM on odd hardware is an old tradition, but Artur Bieniek has picked one of the tightest targets yet: the FNIRSI ...

This AI-powered jack-o'-lantern sees visitors, hears their questions, and talks back with spooky, sassy responses — all ...

A small free-space optical link I built to send text between two Arduino boards using a laser as the communication channel. The transmitter reads a message from a 4×4 keypad, sends it using on-off ...