Introduction This project implements the control principle of traffic lights at an intersection based on the STC89C51/52 microcontroller. The time is displayed on a digital tube for all four directions, and there are 9 buttons, which are: reset button, night mode, emergency mode, east-west passage, north-south passage, time setting mode, time increase, time decrease, and … Read more
Introduction Have you ever wondered how lightweight an HTTP parser can be? Today, we will introduce a project—httplite—that implements a zero-copy, zero-allocation, dependency-free HTTP/1.1 parser in just 50 lines of C code. Even more impressive, it is fully compatible with the C89 standard and does not rely on the standard library! Sounds a bit “geeky,” … Read more
Follow+Star Public Account Number, don’t miss the wonderful content Editor | StrongerHuang WeChat Public Account | Embedded ColumnThe C language has been around for over 50 years, and it is a classic and commonly used programming language. Most universities require students to learn C language as part of their curriculum, and in the embedded field, … Read more
The basic workflow of the energy-saving lighting controller can be further refined as follows: 1) Collecting ambient light intensity data: The system obtains real-time ambient light intensity through a light sensor. As the ambient light changes, the light sensor continuously outputs new light intensity data. 2) Data processing and analysis: The main control chip (for … Read more