A FPGA circuit board was working fine before, but then the 7805 burned out, so I replaced it with a new one. Then VCC and GND were shorted. The integrated blocks on the board were tested and found to ...
I need to use a CPLD from Altera to expand IO and communicate with the CPU. The internal logic of the CPLD is relatively simple, basically combinational logic. The question now is how to determine the...
[color=#000][font=-apple-system-font, "][size=19px]Xiaomi Group announced its 2018 annual report on the 19th: Xiaomi achieved revenue of 174.915 billion yuan. So far, the five-year, billion-dollar bet...
After my code is compiled, a warming occurs, and the content is as follows: Warning: LATCH primitive "ether_mac:ether_mac|ethermac_recv:recv|fsm_ram_wr_ns.RECV_PRENUM_7327" is permanently enabled. Exc...
I saw the following infrared code structure in a tutorial. I don't understand how the 1.125ms period representing 0 is converted into 0x109c0? How is the 2.25ms period representing 1 converted into 0x...
In this case, I wonder how you guys route the wires? I used padless vias with inner and outer diameters of 0.3mm, and routed them from the bottom layer. Now I have a problem, some power vias cannot be...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
PCB Design
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