This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...
Connected devices already outnumber the world's population by 1.5 to 1. By 2020, the Internet of Things (IoT) is expected to connect 50 billion smart objects to the network. The IoT consists of things ...
Building Arduino projects with multiple sensors can unlock powerful environmental monitoring, automation, and IoT applications. From DHT11 temperature sensors to motion, gas, and light detectors, ...