Arduino/ESP8266/ESP32 library for HC-SR04 ultrasonic distance sensor. This library is used for measuring distance with the HC-SR04, which is an ultrasonic sensor that measures distances from 2 to ...

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

This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic sensor, LEDs ...

This work investigates the potential of using simple inline no-core fiber (NCF)-based multipoint acoustic sensors providing high frequency bandwidth and dynamic range for ultrasonic guided waves and ...

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

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 ...

Uijeongbu Technical High School in Gyeonggi Province (Principal Kim Juhan) announced on August 24 that it operated the 'ICT ...

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

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.