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 ESP32 keeps finding new jobs in my house.

I didn't expect to love it, and it has a learning curve, but the possibilities are endless.

With the PCB fabrication services available to the modern hobbyist, it’s become increasingly common to see replacement boards ...

Many people believe that the LED was discovered by US researchers working in the 1960s. In fact, Henry Round at Marconi Labs noted the emission of light from a semiconductor diode 100 years ago and, ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

While there is a time and place for wirelessly controlled devices, sometimes you want something you can just reach out and ...