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　　Working principle of electronic counter 　　The gate circuit is controlled by a shaped signal with a frequency of fB input from channel B, that is, a pulse is used to open the gate and a subsequent p...[Details]

The programming principles of AT89C51 and AT89C52 are exactly the same. Both have a reprogrammable Flash ROM inside. The ROM capacity of AT89C51 is 4KB, while that of AT89C52 is 8KB. We take AT89C5...[Details]

1 Introduction Wireless sensor network ( WSN) is an intelligent network monitoring system composed of a large number of tiny nodes with integrated sensors , data process...[Details]

Openness: Building a Ubiquitous Power Internet of Things As time goes by to 2019, China's Internet has entered the second half of the "hotspot battle". Whether it is Zhou Hongyi's "deep in...[Details]

0 Introduction Acoustic emission (AE) refers to the phenomenon that a material emits transient elastic waves due to the rapid release of energy locally, also known as elastic wave emission...[Details]

In the process of learning Linux memory addressing, I noticed that on the x86 architecture, segmentation and paging mechanisms coexist. However, under the RSIC architecture, only paging is generall...[Details]

We recently learned from the Internet that Xiaomi Automobile Technology Co., Ltd. has disclosed a patent called "Vehicle-to-vehicle charging circuit, charging harness, charging system and electric ve...[Details]

First, let me talk about the advantages of interrupts: interrupt functions are executed only when the interrupt trigger source is triggered, and not at other times. If you do not use interrupts and if...[Details]

HB-LEDs (high brightness light emitting diodes) are becoming more and more widely used in many fields. The reason for their popularity is that they have many attractive features for OEMs and end us...[Details]

On August 27, the second Avnet Automotive Ecosystem Summit officially kicked off in Suzhou. With the theme of "Drive Change, Lead, New Trends in the Development of Automotive Electronics Tech...[Details]

The tube has a knee voltage. In the output characteristic curve (Figure 1-3), when the load increases, the intersection of the load line and the leftmost point of the output characteristic curve wi...[Details]

In a few days, National Day will come. I plan to travel on my own with my friends. Since it is a self-guided tour, we must hire a guide. After a long time of thinking, I have tinkered with two navigat...[Details]

The battery is the main energy storage device in the car, providing power for all electronic systems in the vehicle. Modern cars are becoming more and more electronic, and a lack of battery power w...[Details]

"Why was the ubiquitous power Internet of Things born? As an emerging infrastructure, it will help the energy industry develop digitally and intelligently. Ultimately, the ubiquitous power Internet...[Details]

The various controllers in new energy vehicles mainly include: vehicle control unit (VCU), engine control unit (ECU), motor control unit (MCU) and battery management system (BMS). The th...[Details]