▲ Experimental Circuit Board The Raspberry Pi Pico small MCU module, with its low price, rich features, and easy development, provides a convenient platform for many students from non-electronic majors to design creative project prototypes. The following experiments are some basic demonstration experiments made for CDIE course design students. ▌01 PI Pico Experiment Board In … Read more
4.1 Basic Concepts of Serial Communication Serial communication is a commonly used communication method, which refers to data transmission between devices through a Serial Interface. There are several basic concepts of serial communication: 4.1.1 Serial Communication Serial communication refers to the transmission of data bit by bit, transmitting only one bit at a time. Compared … Read more
Embedded electronic devices are collections of various circuits (processors or other integrated circuits). In order to exchange information between these independent circuits, they must follow the same communication protocol. To accommodate different needs, engineers have defined hundreds of thousands of communication protocols, which can generally be divided into two categories: parallel or serial. 1. Parallel … Read more
Author | strongerHuang WeChat Official Account | Embedded Column In RTOS multi-task programming, it is common for multiple tasks to access the same hardware (such as UART, I2C, etc.). If not handled properly, it can lead to a “chaotic” situation. There are many methods to handle the “chaotic” situation. Below, based on FreeRTOS, I will … Read more
Your device connects to the other device. If it can automatically detect the baud rate without knowing the other party’s serial port baud rate, wouldn’t it be very convenient? 1 Overview Regarding the issue of automatic detection of UART serial port baud rate, those with project experience or who have studied serial communication should know … Read more
When using the Raspberry Pi, most of the time there is no monitor and keyboard/mouse available, and you may find that you cannot connect via WiFi or wired Ethernet. In these cases, there is still a way to connect, which is through the Raspberry Pi’s serial console connected to a computer without using a monitor, … Read more