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void StopRTCLSIMode(int count)
{
EXTI_InitTypeDef EXTI_InitStructure;
PWR_RTCAccessCmd(ENABLE);//Allow access to RTC
RCC_LSICmd(ENABLE);//LSI Enable
while(RCC_GetFlagStatus(RCC_FLAG_LSIRD...[Details]
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1.
Characteristics of
LED light source
(1) Voltage:
LEDs
use a low voltage
power supply
, the supply voltage is between 6-24V, which varies according to the product, so it is a...[Details]
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The United States tried to gain more blackmail benefits by retreating, but China stuck to its bottom line and retreated to advance, not giving the United States any opportunity to profit from black...[Details]
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Schematic diagram of L297, L298 driving stepper motor, tested and available The 51 single-chip microcomputer program for L297 and L298 to drive the stepper motor is as follows: #include "AT89X51.h"...[Details]
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Australia's consumer watchdog has sued Samsung Electronics Co. Ltd.'s Australian branch, saying it misled consumers by advertising its waterproof Galaxy smartphones as suitable for use in swimming po...[Details]
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Principle and maintenance of electric bicycle charger designed by TL494
Most electric bicycle chargers use switching power supplies. Although there are many models, the circuit structures ...[Details]
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At the beginning of the new year, the new energy vehicle industry has thrown out the same "trump card" - a pure electric car with a range of 1,000 kilometers. In the past few days, NIO, SAIC Zhiji,...[Details]
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Blue Whale News, September 5 (Reporter Cui Lupeng) In August, a
lithium battery
industry chain company held an internal discussion:
What should the company do
if
lithium
is no longer...[Details]
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The parameter setting of the inverter is very important in the debugging process. The inverter has many parameter settings, and each parameter has a certain selection range. Many users who use the ...[Details]
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background I bought an Arduino rotary encoder module, and used it with the STM32 timer encoder mode to count the rotation angle and number of turns. The only practical application scenarios I can thi...[Details]
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LED has been applied more and more widely due to its small size, low voltage, long service life, high brightness, low heat and environmental protection. If you don't understand different LED driver p...[Details]
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CD4047 500W 12V 220V Inverter Circuit can convert 12V DC to 220V AC. 4047 is used to generate square wave. The basic formula is P=VI between input and output of transformer, input power=output powe...[Details]
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1. ldr load instruction
The format of the LDR instruction is:
LDR{condition} destination register, memory address
The LDR instruction is used to transfer a 32-bit word data from the memory to the ...[Details]
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The digitally controlled DC current source designed in this paper can effectively reduce the output error caused by component aging, temperature drift, etc. The output current is adjustable from 20...[Details]
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A single-phase to three-phase inverter is a power conversion device that converts single-phase AC power into three-phase AC power. It is widely used in industrial automation, power systems, househo...[Details]
DSP and ARM Processors
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