[Urgent] 5000 RMB in cash urgently required PCI to 8 serial ports TTL Design requirements: Make a PCI board, you can expand 8 serial ports in the "Device Manager", corresponding to the control of 8-wa...
[i=s]This post was last edited by ihalin on 2016-8-22 12:35[/i] I just happened to have a high-speed AD/DA module, and used Zircon A4 to drive it to generate sine waves. It was almost moldy in my hand...
I just saw a circuit diagram of the road of life, and I thought it was a bit humorous. I transferred the diagram here. Hehe, friends and restaurants are resonant circuits, which are necessary whether ...
Hardware: PXA310+sido8686: System wince6.0The wifi has been debugged and can connect to the Internet normally.Now the entire terminal has gone through unauthorized certification.Wi-Fi needs to test pa...
[i=s]This post was last edited by kit7828 on 2022-6-2 10:34[/i]1. Development board hardware functions and peripherals introduction
From the description of SPI in the hardware manual of Renesas RA6M4,...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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 to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
After the development of the single-chip microcomputer application system is completed, the system often freezes at the work site due to noise interference, electromagnetic interference, overvoltag...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]
With the development of control, computer, communication and network technology, computer network integrated automation system has been widely used in modern industrial enterprises. The emergence o...[Details]
Embedded System
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