CNX Software

NASA Artemis Watch 2.0 – An ESP32-S3-powered, NASA-inspired wearable kit for education

CircuitMess NASA Artemis Watch 2.0 is a programmable, NASA-themed smartwatch based on an ESP32-S3 WiFi and Bluetooth module ...
IEEE

Basic Aspects in the Application of QCMs as Sensors: A Tutorial

Abstract: Quartz crystal microbalances (QCMs) are devices that have been proven to function as sensors for detecting specific chemical species; this usually requires that the QCM is modified with a ...
Electronics For You

Tachometer with LED display To Show Bicycle And Fan Speeds

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...
IEEE

Developing and Evaluating a Mixed Sensor Smart Chair System for Real-Time Posture Classification: Combining Pressure and Distance Sensors

Abstract: A novel sensor-embedded smart chair system was developed to monitor and classify a worker's sitting postures in real time. The smart chair system was a mixed sensor system utilizing six ...