In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 ...

If you think smart home, you might not imagine a temperature sensor, but there's a lot you can achieve with one of those and ...

Learn how to make a touchless air drum set using Arduino and ultrasonic sensors for endless musical fun. ‘That Has Never Been ...

One of the joys of writing up the entries for the 2025 Component Abuse Challenge has come in finding all the different alternative uses for the humble transistor. This building block of all modern ...

A dual resonator graphene sensor measures pressure with exceptional precision and stability, using built-in temperature ...

The Open Book Touch also runs open source firmware. The default firmware features a UI framework called Focus, which is based ...

An array of graphene-silicon solar cells provides enough power to continuously supply small devices unconnected from the ...

For the first time, a quantum computer has successfully measured pairing correlations (quantum signals that show electrons ...

Full study: “ A smart cup for wireless, biofuel-powered, sweat-based vitamin C sensing .” Co-authors of the study include Muhammad Inam Khan*, Ryan Burns*, Akshit Agarwal, Lu Yin, Jongmin Moon, Bumsik ...