Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at ...

Educational robotics company Hiwonder has released miniHexa, an AI hexapod robot based on an ESP32 with Arduino programming ...

Ultrasonic fingerprint sensors are taking smartphone security to the next level, offering reliable and fast unlocking even in less-than-ideal conditions. If you’re interested in experiencing ...

Nathaneo Johnson co-founded Series while studying full-time at Yale. It raised $3.1m in pre-seed funding. He's disciplined, ...

The Korea Institute of Ocean Science & Technology (KIOST) has developed an ultrasonic washing device that effectively removes salt (NaCl) from sea sand. KIOST's research and validation results ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Apple Watch Blood Oxygen Sensor Returns: How to Use It and What It Can Tell You About Your Health The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's ...

The construction industry worldwide faces a growing shortage of river sand, a critical material for building roads, bridges, and harbors. As river sand becomes increasingly restricted due to ...

The power system configuration of HydroBot is quite sophisticated. It uses the Horizon H-60 PEM fuel cell as its “engine,” ...

Developed by the research team at the Helmholtz Institute for Renewable Energy Research in Erlangen-Nuremberg, Germany (HI ...

Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen ...

If you need to track your glucose, these monitors connect to your phone or smartwatch.