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...
I have a product to make and I want to use the STM32F103 series chips. It requires a USB interface and a PC for data transmission (bulk transmission). There is an application on the PC to receive this...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[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 Guang...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]