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//The following program can record and play the ISD4004 voice chip
//Using 89S52 MCU, 12M crystal oscillator
#include reg52.h
#include 1602.h
sbit ss=P0^0;
sbit mosi=P0^1; ...[Details]
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For some new car-making forces, the market is still cold. Recently, Weimar CEO Shen Hui issued a letter to all employees, saying that in order to cope with financial pressure, operating costs will ...[Details]
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Recently, I received a project that required the use of hardware I2C on STM8L to communicate with SN3731. The user was a solution provider, and the hardware designer did not leave any test points. He...[Details]
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The steer-by-wire system is an automotive electronic technology related to safety. By eliminating the hard connection between the front wheel and the steering wheel, an electrical signal is generat...[Details]
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Intel has signed an agreement with IPValue Management Group to transfer nearly 5,000 patents to a newly formed company within the group, which will seek to license them to third parties. IPValue, w...[Details]
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Zuosi Auto R&D released the "2023 Vehicle Power Supply (OBC+ DC/DC + PDU ) and Chip Industry Research Report". The on-board power supply is the core component of new energy vehicles. It is mainly r...[Details]
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Instruments used to measure AC and DC voltage, resistance, DC current, etc. It is an essential tool for radio and television production. Do you want to know more about mechanical chronometers? Follow...[Details]
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Small signal square law detector circuit
Small signal (usually input voltage is below 0.2V) detection uses the curved part of the diode volt-ampere characteristic curve. Its basic ci...[Details]
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Shenzhen, March 19, 2021. At the 2021 China International Battery Technology Exhibition, the largest exhibition event in the international battery industry, INFICON, a world-leading developer, manufa...[Details]
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1 Introduction The on-chip FLASH of MSP430F5438 can be used as EEPROM. This part of FLASH is called INFO FLASH, and there are 4 blocks of 128 bytes each. Although the capacity of INFO FLASH is relati...[Details]
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Abstract: Arm9-based microcontrollers have been widely used in various consumer electronic products due to their low price and superior performance. Mastering the development skills of Arm9 microcont...[Details]
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NSG Group is an industry leader in TCO (transparent conductive oxide) coated glass for thin-film photovoltaic applications. Its TEC products include a group of products, including various TCO coate...[Details]
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1. How to encapsulate registers in the structure in the STM32 header file
typedef struct
{
vu32 CR;
vu32 CFGR;
vu32 CIR;
vu32 APB2RSTR;
vu32 APB1RSTR;
vu32 AHBENR;
vu32 A...[Details]
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1 Introduction
Since the invention of AC asynchronous motors, people have been constantly studying its starting methods. After seventy or eighty years of upgrading, dozens of starting...[Details]
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Oscilloscope XY Mode I recently used the XY mode of an oscilloscope when doing a BPSK coherent demodulation experiment. Now I will make a simple analysis and summary for future use. definition Liss...[Details]
Analog electronics
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