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What is PWM
PWM, or pulse width modulation, is the abbreviation of "Pulse Width Modulation". It is a very effective technology that uses the digital output of a microprocessor to control analog cir...[Details]
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Unix/Linux is case sensitive:
.s Operation: Assembly
.S operation: cpp + assembly
eg:
/* start.s */
#define rTEXT 0x12345678
LDR R0,=rTEXT
....
# arm-lin...[Details]
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1. Bootloader
Simply put: The main function of the Bootloader is to start executing when the system is powered on, initialize the hardware and devices, prepare the software environment, and fi...[Details]
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In many applications such as motor control, solenoid control, and power management (such as DC-DC converters and battery monitoring), high-precision high-side current sensing is required. In such appl...[Details]
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//Why use software simulation IIC instead of hardware IIC? In addition to the problem of ST's IIC module itself, it is also because the hardware IIC is not convenient to transplant and cannot be used...[Details]
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//Cortex system timer SysTick provides a 24-bit, descending, zero-constrained, write-clear counter with a flexible control mechanism
#include "stm32f10x_lib.h"
GPIO_InitTypeDef...[Details]
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According to Bloomberg, the Semiconductor Industry Association of the United States sent a letter to U.S. Commerce Secretary Wilbur Ross last week, stating that relaxing the government's sales ban on...[Details]
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introduction Analog oscilloscopes have been gradually replaced by digital oscilloscopes due to their shortcomings such as inability to efficiently observe experimental results and weak data proce...[Details]
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Recently, BYD Battery has fallen into trouble due to the fact that downstream car companies owed nearly 900 million yuan in payments, which also affected its upstream suppliers and prevented them f...[Details]
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According to the latest data from data research firm Counterpoint Research, Apple continues to dominate the global true wireless headset market, and Apple's wireless headset shipments are expected to...[Details]
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News on the morning of June 5th: Today, Apple, Suzhou Industrial Park, and TEDA Low Carbon Center signed a Memorandum of Understanding in Suzhou. The three parties will jointly promote the wor...[Details]
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Dimming is very important for light sources. It not only creates a more comfortable environment at home and further achieves energy conservation and emission reduction, but also LED light sources ar...[Details]
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Milliohm meter and multimeter for explosion-proof environment Metrahit 27EX Metrahit 27EX precision micro-ohmmeter is suitable for measuring low resistance contact resistance in explosive environment...[Details]
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The signal processor of the DSP platform is generally only a sub-part of the entire system dedicated to signal processing algorithms. It does not need to control too many peripherals. In order...[Details]
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When UPS is used in combination with generators, only a small amount of backup batteries need to be configured for UPS for use during switching. The conversion between generator and mains can be do...[Details]
Analog electronics
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