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The microcontroller source program is as follows: #include "delay.h" #include "12864.h" #include "fun.h" #include "key.h" #include "wakeup.h" u8 func_index=0; void (*current_operation_index)(); /...[Details]
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Through trial and error, we found a method that can be used: Right-click on New Group and select Manage Progect Item... You can modify the group name and add items. ...[Details]
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Advantages and Disadvantages of LCD TVs
advantage:
Lightweight and portable
Traditional monitors use CRT, which must emit electron beams to the screen through an electron gun. ...[Details]
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1. Introduction to SylixOS SylixOS is an embedded hard real-time operating system. Similar operating systems include VxWorks (mainly used in aerospace, military and industrial automation), RTEMS (ori...[Details]
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Double reverse star controlled rectifier circuit with balancing reactor
In industries such as electrolysis and electroplating, low voltage and high current (e.g., tens of volts, thousands to tens o...[Details]
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ZR-LWGY series turbine flowmeter is a new generation of turbine flowmeter that absorbs advanced technology of flow meter at home and abroad and is optimized and designed. It has the characteristics of...[Details]
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According to Jiwei.com news on the evening of April 7, according to Rockchip's 2020 performance report: In 2020, the company achieved total operating revenue of 1,863,387,214.10 yuan, a year-on-year ...[Details]
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Solution: The period of a 50HZ square wave is 20ms. A timer can be used to generate a 10ms timing. By changing the level of P1.0 every 10ms, a 50HZ square wave can be obtained. At this time, timer T0...[Details]
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0 Introduction Quartz crystal resonators (hereinafter referred to as quartz crystals) are widely used as time frequency references and provide synchronization pulses for sequential logic circuit...[Details]
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1. Product introduction of Fluke 709H precision loop calibrator: The Fluke 709H mA loop calibrator saves measurement time while producing high-quality results. 709H has HART communication function an...[Details]
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The resistance range of the multimeter is generally R×100 or R×1K. For PnP transistors, the black meter pen is connected to the e pole and the red meter pen is connected to the c pole. For NPN tr...[Details]
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When the transformer DC resistance tester is operating normally, it will emit a continuous and uniform "buzzing" sound. If the sound produced is uneven or there are other special sounds, it should be...[Details]
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In the early morning of September 11, Apple launched the brand new seventh-generation iPad, equipped with a 10.2-inch Retina screen and A10 Fusion chip, with a starting price of $329. The product is ...[Details]
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#include "cj.h" #include "stm32f10x.h" #include "delay.h" #include "usart.h" unsigned int overcount=0; void NVIC_Config(void)//priority setting { NVIC_InitTypeDef NVIC_InitStructer; NVIC_Prior...[Details]
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Speaking of the "Fast and Furious" series
The first thing that comes to mind is the cool car skills that appear in the play.
Or his classic line “For Family”?
After watching "F...[Details]
Power technology
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