1. Hardware Preparation You’ll need an Arduino development board (such as Arduino Uno) and several LED lights. Connect the anode (long leg) of the LED lights through a current-limiting resistor (usually a few hundred ohms, such as 220Ω, to prevent excessive current from damaging the LEDs) to the digital pins of the Arduino board (for … Read more
100 Essential Points in Computing 1. The symbolization of information is data, so data is the concrete representation of information, and information is the logical meaning abstracted from data. 2. Information technology refers to the technologies related to acquiring, storing, transmitting, processing, developing, and utilizing information resources. 3. The core of culture is: ideas and … Read more
Hello everyone, I am Pi Zi Heng, a serious tech person. Today, I will talk about project files in embedded development. In the previous two lessons, I introduced two typical input files in embedded development: source files (.c/.h/.s) and linker files (.icf). I want to ask again, are there any other input files? The answer … Read more
Now, there are more and more embedded operating systems, such as the well-known uCOS, FreeRTOS, RT-Thread, etc. Each of these operating systems has its own characteristics:Which RTOS have you used in STM32 embedded development? This article will introduce a simple and user-friendly embedded operating system kernel – KLite. KLite Source Code Source code link:https://gitee.com/kerndev/klite The … Read more
We are all familiar with processes and threads, but their terminology might differ in RTOS systems. The term we are familiar with is Task (Task), which is similar to Thread (Thread). You will find that in some places, RTOS tasks are also referred to as threads. However, in RTOS, there is another less common program … Read more
/ Author Introduction / This article is contributed by Xiaweizi, sharing the development of desktop shortcuts, which I believe will be helpful to everyone! Thanks to the author for the wonderful article. Xiaweizi’s blog address: http://xiaweizi.cn/ / Introduction / The Shortcuts feature was introduced with Android 7.1 Nougat, mainly aimed at allowing users to define … Read more
Hot Articles Overview | Click Title to Read 2018 is Coming, BAT and Other Internet Companies’ Android Interview Questions Summary Advanced Android and Java Architecture Video Sharing Details and Principles of QR Code Generation MVP Kotlin Official Address https://github.com/googlesamples/android-architecture/tree/dev-todo-mvp-kotlin/ Looking at the official website, we find that the actual code amount comparison is less than … Read more
(This series of tutorials are all based on the “Upload Execution” mode of Mind+, software version V1.1) Introductory Video Tutorial: Introduction to Mind+ Platform Mind+ is a programming software for teenagers developed based on Scratch 3.0, supporting various open-source hardware such as Arduino and micro:bit. You can complete programming by simply dragging graphical program blocks, … Read more
01 Introduction The touch button is a type of switch based on capacitive sensing, which can be activated by direct contact with the sensor’s metal surface by a human body or metal. 02 Principle The touch sensor module is a capacitive touch switch module based on the touch detection IC (TTP223B). When the module’s metal … Read more
01 Introduction The button, also known as a tactile switch, can create very interesting interactive projects when used with other sensors. In the image below, you can see a red button and a blue button; they only differ in color, but their usage is the same. 02 Principle When you press the button, you can … Read more