Radar System Using ESP8266, Ultrasonic Sensor (HC-SR04), Servo Motor (SG90), and Blynk Control This project demonstrates a real-time Radar System built using the ESP8266 NodeMCU, HC-SR04 ultrasonic ...
A smart IoT-enabled household dustbin prototype that uses ESP32, RFID authentication, ultrasonic level detection, servo-based lid control, and the Blynk IoT platform for remote monitoring and control.
Ensuring safe social distancing is one piece of the puzzle for workers in the COVID-19 age. Ultrasonic range-finding sensors can measure the distance between workers with centimeter accuracy and alert ...
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