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The "Freescale" Cup National College Student Smart Car Competition is a scientific and creative competition with the background of rapidly developing automotive electronics, covering control, patte...[Details]

The emergence of the world's earliest wearable device can be traced back to 1975, when Hamilton Watch launched the Pulsar calculator watch. This small product with a calculator chip became synonymo...[Details]

Generally, quartz crystal oscillators can achieve a frequency stability of 10-5. If you want to obtain a quartz crystal oscillator with a frequency stability of 10-8 to 10-7 or even higher, you mu...[Details]

All devices we have explored so far in the Zynq All Programmable SoC PS (Processor System) have used only one ARM Cortex-A9 processor core (Core 0), however the PS portion of the Zynq SoC contains tw...[Details]

BYD's "DM hybrid system" (Dual Mode is dual-mode technology, and is also BYD's plug-in hybrid technology platform). The first generation of DM hybrid system: the starting point of domest...[Details]

Working principle of reset circuit: It is introduced in the book that to reset the 51 single-chip microcomputer, it only needs to connect a high level to the 9th pin for 2us. How is this process real...[Details]

Servo systems are an indispensable part of modern industrial automation and precision control. According to different control methods, servo systems can be divided into open-loop servo systems, clo...[Details]

On March 22, the 2018 "Quality Matters in China" Photovoltaic Ceremony hosted by German Rheinland TV (hereinafter referred to as "TV Rheinland") was held again in Wuxi, Jiangsu. Guangzhou Sanjing Elec...[Details]

The crude oil water content meter appeared in the late 1990s. It is a product that combines measurement and control to measure the water content of crude oil by distillation, which is composed of t...[Details]

   NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);          NVIC_InitStructure.NVIC_IRQChannel = WAKEUP_BUTTON_EXTI_IRQn;    NVIC_InitStructure.NVIC_IRQChannelPreemptionPrio rity = PreemptionPrior...[Details]

There are 6 common alarm methods: (1) The indicator light or digital tube displays data to alert the operator. (2) Use sound, light and voice to alarm. Among them, the light effect is usually tak...[Details]

introduction Ultrasonic imaging is one of the main imaging methods for medical imaging diagnosis today. It uses the interaction between ultrasound and organisms as the imaging basis. It has the adv...[Details]

        The circuit in Figure 1 is a complete PD power supply circuit with a DC-DC converter that can provide up to 0.85A of current at an output voltage of 12V. The MAX5953A has built-in high-side...[Details]

As the growth of TV backlight sources has slowed down, and the huge lighting market has not yet been fully opened due to cost issues and consumer awareness issues, the LED industry is fac...[Details]

The first semi-annual report released by TCL Group after the completion of the restructuring showed that in the first half of 2019, TCL Group achieved operating income of 43.78 billion yuan, a year-o...[Details]