I was debugging the USB communication of stm32f4xx recently. I originally used HID communication, but the communication rate was not up to par. Then I wanted to change to cdc mode communication, but a...
I use IIC to read and write the camera OV5642 register, but both reading and writing fail, and the IIC driver prompts "ACK not received". The slave device register address is written on the datasheet,...
[size=5]Every year when I need to find a job, I receive emails from many people, always asking me how to choose their offers, whether to go to Tencent or Douban, to a foreign company or a domestic com...
I was lucky enough to participate in this ATmega4809 development board testing event. I received the development board the day before yesterday and would like to share the unboxing experience with you...
The program runs in RealTimeMode, and we can observe:1)IMR.4 = 1; (INT5mask=1);2)SCICNTL1 = 0x22; (TX_ENA=1);3)SCICNTL2 = 0xC1; (TX_INT_ENA=1);4)SCIPRI = 0x70; (TX_PRIORITY=1,low priority=INT5);But th...
[i=s] This post was last edited by qwqwqw2088 on 2017-4-14 11:22 [/i] Transformers are non-rotating motors that convert alternating current into alternating current of the same frequency and different...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
Embedded System
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