I have been looking for a copy of Professor Liu Runhua’s PPT in the Digital Electronics Video of Petroleum University for several days but couldn’t find it online. If you have any, please send it to [...
I used to use 311 to compare hysteresis directly, but because I copied it, pin 1 was connected to -5V, and the output was not TTL level, so I had to use 9013 to convert it. It worked well. Later, I as...
Why is the first sound wrong when the STM32 uses a timer to control the buzzer? According to the design requirements, it should be a two-short effect, but the first sound is very urgent, but the sound...
During the experiment, I found that if I added a module on the FPGA side, referring to the bmp_save example, the FPGA side wrote the data to the DDR3 on the HPS side through F2H_AXI. Through the Syste...
This solution uses STM8S207C8T6 as the main control, 1.7-inch 128*64 LCD display, LCD driver chip UC1701 (compatible with ST7565), and Qualcomm GT20L16S1Y font chip as the font display, to realize the...
I am currently working on a product for use in cars. All other circuits have been designed, but I am not sure how to handle the EMC of the power supply (the 12V power supply is taken from the car). I ...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
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