This tutorial shows how to interface the HC-SR04 ultrasonic sensor with Raspberry Pi Pico for contactless distance measurement using MicroPython. The HC-SR04 is a popular and low-cost ultrasonic distance sensor capable of measuring distances from 2 cm to 400 cm with an accuracy of approximately 3 mm. It operates at 5V and communicates using a … Read more
In this tutorial, we will learn to use or interface HC-SR04 ultrasonic sensor with STM32 Nucleo and program it using STM32CubeIDE and HAL libraries. At first, we will take a look at the ultrasonic sensor, then interface it with our STM32 Nucleo and program it for contactless distance measurement using STM32CubeIDE. For demonstration, we will … Read more
In this user guide we will learn to interface RCWL-0516 microwave radar sensor module with ESP32 using Arduino IDE and create an example for motion detection. We will discuss the components of RCWL-0516 sensor module, pinout, configuration, features, specifications, interfacing, 2D model, and applications. We have similar guides with Arduino and ESP8266 NodeMCU: Recommended Components … Read more
This tutorial shows how to interface HC-SR04 ultrasonic sensors with ESP32 and ESP8266 NodeMCU for contactless distance measurement using MicroPython. First, we will learn to interface HC-SR04 with ESP32 and ESP8266 NodeMCU. After that, we will see the MicroPython example code to measure distance and display it on the MicroPython terminal. Secondly, we will see a … Read more
This tutorial shows how to interface HC-SR04 or HY-SR05 Ultrasonic sensors with ESP8266 NodeMCU for contactless distance measurement. First, we will learn to interface HC-SR04 with ESP8266 NodeMCU. After that, we will see example codes with or without the Ultrasonic sensor Arduino library. Firstly, we will see an example to control an LED with ESP8266 NodeMCU … Read more
This tutorial shows how to interface HC-SR04 or HY-SR05 Ultrasonic sensors with ESP32 for contactless distance measurement. First, we will learn to interface HC-SR04 with ESP32. After that, we will see example codes with or without the Ultrasonic sensor Arduino library. Firstly, we will see an example to control an LED with ESP32 and an … Read more
VL53L0X is a LIDAR based sensor which measures the distance between an object and a sensor. It measures distance up to 2m. This laser ranging sensor operates in a range of 2.5 to 3.6 volts and uses a time of flight principle for measuring distance. The sensor consists of a vertical-cavity surface-emitting laser (VCSEL). This … Read more