These are some great DIY projects that you can do for cheap.

Forewarned is forearmed.

Christopher Puckett, a junior aerospace engineering major from Metropolis, Illinois, recently participated in NASA’s RockOn ...

This library is experimental and implements a minimal subset of the functionality of the sensor. The library includes reading the temperature and humidity register and the manufacturer-ID register.

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

The DHT11, 21, 22, 33 and 44 are relative inexpensive sensors for measuring temperature and humidity. This library can be used for reading both values from these DHT sensors. The DHT11 only returns ...

To circumvent that issue, I decided this time to opt for a presence sensor. These use mmWave radar signals instead of ...

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

It’s hard to deny that label printers have become more accessible than ever, but an annoying aspect of many of these cheap units is that their only user interface is a proprietary smartphone app ...