01 Introduction A reed switch, also known as a reed relay, is a type of sensor that controls the opening and closing of a switch through the application of a magnetic field. It was invented at Bell Labs in 1936, consisting of two ferromagnetic metal strips placed within a glass tube filled with inert gas. … Read more
A major feature of MakeCode is its ability to enable programming through a graphical interface, making programming simple and enjoyable. Additionally, MakeCode can be extended with various functionalities through packages, allowing connections to various sensors and modules. This not only fully utilizes the convenience of graphical programming but also offers unlimited extensibility, broadening its application … Read more
01 Introduction The Hall effect sensor is a type of sensor that detects the presence of a magnetic field. Similar to the linear Hall sensor introduced earlier, it does not provide a linear output of magnetic field strength but can only indicate whether a magnetic field is present. 02 Principle This Hall effect sensor uses … Read more
01 Introduction The flame sensor is commonly used to detect flames or infrared light of specific wavelengths (760nm-1100nm). It has a detection angle of approximately 60° and is particularly sensitive to the flame spectrum. The sensitivity is adjustable (as shown by the blue potentiometer in the image). The detection distance for flames is related to … Read more
Introduction When I received the Micro:bit board, I felt that it was a piece of hardware that could unleash students’ creativity. I also had ideas to design some courses around this hardware, until I saw the “Microsoft 14 Week Curriculum” published on the Micro:bit official website, which made me feel that I was very far … Read more
Equipped with 72 development videos for hands-on teaching to master micro:bit, featuring 36 major sensors, upgraded to support SSDOLED LCD display, barometric sensors, and smart temperature control to meet the needs of smart product development! Supports graphical programming, making it easier to learn, and all source code is open source, providing technical support! Introduction This … Read more
This topic is a bit heavy, and I dare to throw out a brick to attract jade. Currently, maker education and programming education are being promoted across the country. I visited some schools and communicated with several teachers. Maker education is generally at a preliminary stage. I had an in-depth discussion with Teacher Chen from … Read more
Ningbo Guangji Central Primary School, Di Yong Ningbo Xiaoshi Middle School, Qian Zhaoyuan First, we need to explain the “STEM Kindergarten” in the above image. After the last article was published, many friends asked, “Are you planning to set up a kindergarten?” Clearly, everyone missed the joke! The reason we named this series of courses … Read more
Tutorial Introduction: This post is derived from a popular thread by forum fan 【Chococraft】. Everyone has their own birthday, and for children, celebrating a birthday is especially joyful, as it often comes with various surprises, delicious food, fun activities, and long-awaited birthday gifts. Today, I present a special birthday gift: a DIY birthday music atmosphere … Read more
1. Introduction Recently, we introduced a plane battle game created with Scratch. This time, we present an offline version of the airplane battle game. If you’re interested, feel free to follow our official account. 2. Video