The Urban Prepper tests the GoTenna Mesh range using a drone as a relay node to explore off-grid communication possibilities. Ukraine made huge battlefield gain last week Young voters are turning away ...

This project demonstrates how to control an **electrical relay module** using a **push button** and an **Arduino UNO**. When the button is pressed, the relay activates; when released, it deactivates — ...

For switching high-powered loads from a microcontroller, or for switching AC loads in general, most of us will reach into the parts bin and pull out a generic relay of some sort. Relays are ...

Near-Field Communication (NFC) relay malware has grown massively popular in Eastern Europe, with researchers discovering over 760 malicious Android apps using the technique to steal people's payment ...

The Urban Prepper conducts a GoTenna mesh range test using a drone relay node. GOP Moves to Break Shutdown Deadlock DC man sues after being detained for playing Darth Vader theme in protest of ...

These days, if you want to flash some LEDs, you’d probably grab a microcontroller. Maybe you’d go a little more old-school, and grab a 555. However, [Jacob] is even more hardcore than that, as ...