This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Abstract: A compact-type nondispersive infrared (NDIR) carbon dioxide (CO2) sensor featuring a novel optical sensing cell (OSC) is designed and developed using ray-guided multi-reflector (RGMR) and ...

Abstract: QCM (Quartz Crystal Microbalance) multi-sensors are widely used in biosensors and chemical sensors. The sensing film materials coated on their electrodes will determine the characteristic of ...

FireBeetle 2 ESP32-C5 IoT development board offers GDI display interface, LiPo battery support, 18x GPIO, USB-C port, and ...

Henan Hanwei Electronics Co Company Profile Hanwei Electronics Group Corporation, together with its subsidiaries, provides gas sensors and instruments in China and internationally. It operates through ...