CH32V103 has three serial ports, namely USART1, USART2 and USART3. The occupied pins are as follows:
USART1 TX--A.9 RX--A.10
USART2 TX--A.2 RX--A.3
USART3 TX--B.10 RX--B.11
Under normal circumstances,...
Hello everyone, I want to make a data acquisition board for slave data. Now there is a finished slave. Tell it the protocol as follows: Host call command: 00 03 00 00 00 00 44 1B (from the beginning, ...
Why does the message receiving function raw_queue_receive(RAW_QUEUE *p_q, RAW_U32 wait_option, RAW_VOID **msg) in the message queue use a secondary pointer? What are the benefits of doing so?...
I won't go into details about the definition and generation of SPWM waves here. This article mainly talks about the implementation of SPWM waves on a single-chip microcomputer, and how to adjust the f...
I am a beginner in single-chip microcomputer, at the level of a novice... O(∩_∩)O~~~ First post! Please give me your advice. This is the digital tube clock program I made. It is not well written. Anyw...
Digital storage oscilloscope (DSO) is an advanced measuring instrument developed in recent years. Compared with traditional analog oscilloscopes, it has many advantages. The basic idea of DSO is to re...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
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