01 Overview Serial communication, known in English as Serial Communication, is a method of transmitting data bit by bit. It is a general term for this type of communication, with specific implementation protocols includingUART, TTL, RS232, RS485, etc. UART (Universal Asynchronous Receiver/Transmitter) is a general-purpose asynchronous transceiver. The ESP32 integrates three UART controllers: UART0: Typically … Read more
📌 Level 1: Newbie Village Quest – Understanding the “Big Boss” of Embedded Systems Q: What is embedded systems? Can you eat it?A: You can’t eat it! But it can make your coffee machine brew coffee automatically, remind your fridge when the milk is expired, and even let drones fly! In simple terms, Embedded System … Read more
1. Introduction to Microcontrollers: The Fog and Breakthrough of C Language Entering the world of microcontrollers, many students first face the steep learning curve of the C language. Opening Keil, the screen filled with if, else, for, while statements feels like a secret code, and long variable names like GPIO_InitTypeDef and Delay_ms can be daunting. … Read more
Introduction Last week, the new electrical engineer at the company was frustrated again. Faced with a production line failure, he stared blankly at the PLC ladder diagram on his computer screen for half an hour, finally admitting with a red face: “I don’t understand this logic…” This was already the third time this month. The … Read more