FW-05-01-F-D-560-170

0 Preface The test items of the UHF RFID reader/writer radio frequency include carrier frequency tolerance, occupied bandwidth, transmission power, adjacent channel power leakage ratio and spurious e...[Details]

Infrared alarm circuit and principle This alarm can detect infrared rays emitted by the human body. When a person enters the alarm area, an alarm will sound. It is suitable for...[Details]

Ericsson recently announced that it is working with MIT on two scientific research projects that will help build new network infrastructure to provide better hardware support for the next generation ...[Details]

I spent a lot of time debugging a program today and found that the cmd parameter of the application's ioctl passed to the driver's ioctl changed. According to "Linux Device Driver", this cmd should...[Details]

For those Chinese new energy vehicle companies that are or are preparing to go overseas in a big way , the fantasy of "Fairplay" should be abandoned as soon as possible. "We formally urge the CEOs ...[Details]

The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[Details]

Today, Xiaomi 6 has been released for 4 years, but to this day it is still regarded as the most classic model in the Xiaomi digital series. On June 19, Lei Jun, founder, chairman and CEO of Xiaomi ...[Details]

　　Use the Data Binding tab to bind front panel objects to network-published project items and to Publish-Subscribe Protocol (PSP) data items on the network. 　　Data Binding Selection: Specifies the se...[Details]

With the increasing popularity of the Internet, the degree of information sharing is constantly improving, and the popularity of network instruments and network control devices has gradually become...[Details]

Modulation and demodulation of wireless signals is one of the core technologies of wireless communication . When the communication standard changes, the modulation and demodulation me...[Details]

In mid-December, Dianyang International New Energy Technology Service Co., Ltd. and Huawei signed a cooperation agreement in Beijing. The two parties announced that they would focus on the procurem...[Details]

The schematic diagram of the secondary meter of the scale is shown in Figure 3 (excluding the power supply part). It is designed with 8031 ​​single-chip microcomputer as CPU. The current signals o...[Details]

STM8S's PB4 and PB5 are I2C function pins. There are no pull -up resistance inside. It is true OC. As a control output, it can add a 10K to a 10K resistance to enhance the driver. PB4/PB5 only have...[Details]

"In the past three years, the chip shortage has led to a reduction in global automobile production of approximately 15 million vehicles, and China's production has exceeded 2 million. This is the pro...[Details]

Currently, battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs) operate at 800V battery voltage, exceeding the conventional 400V range. The adoption of 800V batteries is in...[Details]