I needed to verify that a newly installed LoRaWAN gateway was working correctly, so I built a simple and portable testing device. In this video, I show you the two DIY LoRa devices I used from ...

Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must agree, and you can watch ...

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested. I’m PCMag’s senior writer ...

These are the top private messaging services we've tested to keep your conversations confidential from advertisers, governments, and any other prying eyes. I review privacy tools like hardware ...