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#include "led.h" #include "stm32f10x.h" void LED_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; //Define a GPIO initialization structure //RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE)...[Details]
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Common forms of LED connection circuits
1. Series connection: This circuit requires a higher voltage from the power supply.
Vtotal = the sum of the VF of each LED = VF1 + VF2 + VF3 + VF4 -...[Details]
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Traditional voltmeters need to manually switch ranges when measuring voltage, which is not only inconvenient, but also requires that the range cannot be exceeded. If you forget to change the range dur...[Details]
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Recently, the Beijing High Court made a final judgment on the commercial secret infringement dispute case between Congxing Technology Co., Ltd. and AsiaInfo Technologies (China) Co., Ltd. and 11 natu...[Details]
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Apple has been very busy this year. After holding three press conferences in a row, there was news recently that Apple will have a "Christmas surprise" on Christmas. According to @L0vetodream...[Details]
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1 Introduction
DC regulated power supply is a common electronic instrument, widely used in electronic circuits, teaching experiments and scientific research. Most of the DC regulated power supp...[Details]
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The front-end computer room is the heart of the cable TV
system
and the distribution center for processing, distribution and
transmission
of various TV signals
. Our front-end comput...[Details]
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Use TIM2 to control the brightness of the LED at port PA0, and use the buttons connected to pins PA3 and PA8 to control the PWM width.
I found some routines on the Internet, which helped me a lot. ...[Details]
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Digi-Key Electronics, the world's broadest and fastest-stock electronic components distributor, has announced a strong global distribution partnership with ArkX Laboratories for its advanced far-fiel...[Details]
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All things rely on interrupts to solve problems. This is especially true for computers, which rely on clock generators and artificially set a task every few clock cycles. Regardless of whether it is ...[Details]
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The speed range of variable frequency motors depends on the performance and design of the inverter. Usually, the speed range of variable frequency motors is about 10%~200% of the rated speed of the...[Details]
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Power factor correction is to correct the distorted current into a sinusoidal current and make it in phase with the voltage, so that the power factor is close to 1. Improving the power factor is of g...[Details]
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On March 26, Reuters reported that Qualcomm has announced that it has abandoned its acquisition of Autotalks, a vehicle-to-everything (V2X) chip design company.
Autotalks' V2X chips extend the...[Details]
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With the improvement of digital signal processing technology and the working speed of digital circuits, as well as the continuous improvement of system sensitivity, high requirements are put forward ...[Details]
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We’ve already seen that improving the efficiency of an electric vehicle’s powertrain can increase its range. Aside from purely mechanical solutions, such as using larger (or multiple) electric moto...[Details]