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On May 14, China Great Wall disclosed detailed information about its recent interactions with investors at the 2020 investment briefing, including a comprehensive introduction to the revenue, product...[Details]

     In his latest tweet, the well-known domestic digital blogger @i冰宇宙 shared a protective case allegedly for the Galaxy Z Flip 4. It shows a larger external screen cutout and a narrower hinge mecha...[Details]

When you want to use a DC ammeter with a smaller limit to measure a larger DC current, you can use a parallel shunt to expand the range of the meter. The shunt is a resistor r1 with a small limit, wh...[Details]

Phase Change Memory (PCM) is a new memory technology that is being developed by several companies. It combines the best of today's volatile and non-volatile memory technologies to provide system en...[Details]

1 Configure the IO ports used by the serial port: ①Rx floating input ②Tx multiplexed push-pull output Note: The specific configuration is as follows //GPIOA.9/10 is used for serial communication   //...[Details]

On March 18, Beijing Youth Daily reported that at the beginning of the year, the Beijing Robot Industry Development Investment Fund with a target scale of 10 billion yuan was registered in the Econ...[Details]

The intelligent storage system consists of a host computer, item storage and retrieval software, and an automatic control actuator with the lower computer as the core. The host computer is a P...[Details]

In DC to low frequency sensor signal conditioning applications, the common mode rejection ratio (CMRR) of the instrumentation amplifier alone is not enough to provide robust noise suppression in ...[Details]

Ultra-high resistance can be indirectly measured using the conductivity method. The following introduces a practical circuit for measuring conductivity. The digital conductivity meter circuit compose...[Details]

Sony's Crystal LED display system, which was previously sold only to commercial customers, is now also available to wealthy consumers. At the National Broadcasting Equipment Show (NAB 2019) in April,...[Details]

In the instrument we designed, we used PIC series microcontrollers and encountered the problem of floating point operation. After consulting the relevant information, we found that the format of its f...[Details]

There are currently two types of steam flow meters used in the domestic market, one is electronic and the other is mechanical. Mechanical products are obsolete products with poor accuracy and low tem...[Details]

Using the STC15F104E microcontroller, it is a timer. When the power is turned on, the LED flashes once a second. After 9 hours, the relay is closed for 3 seconds and then released, and the timer start...[Details]

      A few days ago, the media reported that Japan's GS Yuasa announced that it would supply the vehicle hybrid battery module EHW4S of its joint venture BEJ with Honda to Toyota . This year, Honda...[Details]

We have given a preliminary introduction to the overview and initialization in the section. Now let's complete the entire key interrupt program. When a key interrupt occurs, the CPU will jump to ad...[Details]