18 High School Student Self-Studies Hardcore DIY Robot

18 High School Student Self-Studies Hardcore DIY Robot

Recently, a robot made independently by an 18-year-old high school student has gone viral. It can help carry bags, track objects both indoors and outdoors, and even follow in the dark without any issues; it can even be used as a ride. From principle determination, shape design, circuit connection, to code writing, the entire process … Read more

Simple Fan Timer Controller Using 51 Microcontroller

Simple Fan Timer Controller Using 51 Microcontroller

1. Design Concept: Initially, power is supplied to the microcontroller via a manual key. The power indicator LED4 lights up, indicating that the microcontroller is running, and Relay 2 works to power the microcontroller. The working time of Relay 2 is set via a button, allowing the system to automatically cut off power. The working … Read more

Simple Timer Controller for Fan Using 51 Microcontroller

Simple Timer Controller for Fan Using 51 Microcontroller

1. Design Concept: Initially, power is supplied to the microcontroller via a manual switch. The power indicator LED4 lights up, indicating that the microcontroller is running and relay 2 is activated to supply power to the microcontroller. By pressing the button, the working time of relay 2 can be set to achieve automatic power-off, and … Read more

DIY Timer Controller for a Fan Using 51 Microcontroller

DIY Timer Controller for a Fan Using 51 Microcontroller

Q: How can I receive such great articles for free every day? A: Just click on the above “51 Microcontroller Learning Network” to follow for free! My bedside fan’s mechanical timer is broken, so I designed a simple timer controller using the 51 microcontroller. The program has been initially debugged on the experimental board, and … Read more

Digital Circuit: Build a Computer from Scratch Tutorial

Digital Circuit: Build a Computer from Scratch Tutorial

At this time, some people worry about where to go for fun, some worry about not being able to buy tickets, some worry about not being able to book rooms, some worry about not having money to go out, and some are even worse… they don’t get a holiday at all. Last night I had … Read more

51 Microcontroller: A Powerful Microcontroller

51 Microcontroller: A Powerful Microcontroller

Understanding the characteristics, structure, and application fields of the 51 microcontroller. Introduction: The 51 microcontroller is a microcomputer widely used in electronic systems, integrating multiple functional components such as CPU, RAM, ROM, timers, interrupt systems, and communication interfaces, capable of information collection, processing, and control of hardware devices. This article will introduce the development history, … Read more

IoT Development With Python: Smart Home Control System

IoT Development With Python: Smart Home Control System

IoT Development With Python: Smart Home Control System Hello everyone, I’m Xiao Juan! Today I want to share a super interesting topic with you all – developing a smart home control system using Python. With the popularization of IoT technology, our home life has become increasingly intelligent. Let’s get started and build a simple smart … Read more

Getting Started with Arduino IDE: A Journey into IoT

Getting Started with Arduino IDE: A Journey into IoT

1. What is Arduino IDE? In today’s wave of digitalization, the Internet of Things (IoT) is like a magical force that connects various devices in our lives, making homes smarter and cities more intelligent. In the vast realm of IoT development, Arduino IDE serves as a magical key, opening the door to an exciting world … Read more

The Most Comprehensive Node.js Resource Collection

The Most Comprehensive Node.js Resource Collection

Hello everyone, I am the Programmer No need to translate the official ChatGPT and Claude, as well as Midjourney, stable after-sales support is available. Author @QianShaoJun | Address @https://github.com/jobbole/awesome-nodejs-cn [Guide]:Node.js is an open-source, cross-platform JavaScript runtime tool for writing server-side applications and command-line tools. The awesome-nodejs list is maintained by sindresorhus and includes resources such … Read more

How to Build a Particulate Matter Sensor with Raspberry Pi

How to Build a Particulate Matter Sensor with Raspberry Pi

Monitor air quality using a Raspberry Pi, a cheap sensor, and an inexpensive screen. — Stephan Tetzel About a year ago, I wrote an article on how to measure air quality using a Raspberry Pi and a cheap sensor. We have been using this project at school and privately for the past few years. However, … Read more