Abstract: The use of electromagnetic waves for detection of different physical components such as distance, speed, position, range, direction, size, and others in different places such as military ...

Works with the HC-SR04 ultrasonic sensor in the 3 Pin Mode/4 Pin Mode, the Ping))) ultrasonic sensor in the 3 Pin Mode and the DHT temperature/humidity sensors for getting precise distance values. !

This library is used for measuring distance with the HC-SR04, which is an ultrasonic sensor that measures distances from 2 to 400cm. My library features a temperature ...

Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Physical and Mathematical Sciences, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, ...

Abstract: This paper presents the use of a batteryless LoRaWAN ultrasonic sensor node for the realization of LoRaWAN based smart garbage collection, to be deployed for waste management in the Smart ...