Human Infrared Alarm Experiment Objective This project is mainly for future technology reserves, using infrared thermal sensors to detect whether there are still humans on Earth. Equipment Arduino UNO R3 development board One breadboard Several Dupont wires One thermal sensor One LED One 220-ohm resistor Pyroelectric Sensor The pyroelectric sensor, also known as a human … Read more
Follow and star the official account,so you won’t miss out on exciting content. Source: Huawei Developer Community Edited by: strongerHuang In recent years, the rapid development of the Internet of Things (IoT) has been felt by everyone. It is well known that the underlying boards (or development boards) are the smart devices in the perception … Read more
OverviewROHM, a globally renowned semiconductor manufacturer, has developed an optical pulse sensor “BH1792GLC” for wearable devices such as smartwatches and smart bands, achieving a high-speed sampling rate of 1024Hz and supporting pressure measurement and vascular age measurement. The “BH1792GLC” is the second-generation product of ROHM’s pulse sensors, praised for its “high accuracy” and “low power … Read more
Note: Please click on the “Read the original text” at the bottom of this article to access the video tutorial page. The AFMotor motor expansion board is one of the most popular expansion boards for the Arduino platform, known for its convenient connections and rich functionality. Many friends enjoy using this motor expansion board to … Read more
Click Mushroom Cloud Creation to follow us Automated Shelf Management System for Unmanned Supermarkets Creative Inspiration for the Project After research, we found that in regular supermarkets, employees are mainly divided into positions such as stock clerks, cashiers, security personnel, and sales assistants. In an unmanned supermarket, tasks like checkout, security, and sales assistance can … Read more
Advanced Edition Continuing from the beginner’s guide on how to quickly transition from Arduino to ESP32 – Basic Edition, let’s further explore the various pin interfaces of the ESP32! Content Introduction 1. SPI Pins 2. I2C Pins 3. UART Pins 4. RTC Pins 5. Strapping Pins 6. EN Pins SPI Pins Pin Name Corresponding Pin … Read more
Introduction During the Mid-Autumn Festival when I visited my grandmother, I heard her mention that sometimes she falls in her bedroom and cannot get up for a long time. The fixed telephone provided by the neighborhood committee is installed outside the bedroom, which means that my grandmother cannot call her uncle living on the second … Read more
Creating a Force Sensor with the ADS1120 Module Using Arduino IDE (Part 2) The previous article introduced how to use the Arduino IDE to program the ESP32 to drive the ADS1120 and read the values from the force sensor. ADS1120 Module (ADC for Voltage Measurement or Force Sensor Measurement)MakeMaker Store58Purchase In the end, we successfully … Read more
1. Introduction to the Wildfire ESP8266 Module The ESP8266 features a high-performance wireless SOC, bringing good news to mobile platform designers. It offers maximum utility at the lowest cost, providing endless possibilities for embedding WiFi functionality into other systems. The ESP8266 is a complete and self-contained WiFi network solution that can operate independently or serve … Read more
Today, we will introduce how to build a wireless network consisting of multiple NRF24L01 transceiver modules with Arduino. In this project, we built a network consisting of 5 nodes, where each node can communicate with any other node in the network, and they can act as both transmitters and receivers. In fact, this project sets … Read more