In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

UK tech company AUAR makes portable micro-factories that it says can produce the wooden frame of a house in a day.

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

It’s one thing to create your own relay-based computer; that’s already impressive enough, but what really makes [DiPDoT]’s ...

Abstract: One of the problems that often occurs in electrical distribution systems is interference with the protection system, which requires good protection system coordination. To ensure that the ...

Amazon and Google think that artificially intelligent assistants like Alexa+ and Gemini will speed up the process of setting up a smart home, but many problems remain unsolved.

ESP, easy as ABC.

I've reviewed security systems from all major brands. Here are my most important recommendations when you're ready to set up your own.