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introduction
With the rapid improvement of Bluetooth speaker functions and performance, consumers have higher and higher requirements for power and sound quality. In outdoor application scenar...[Details]
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NXP Semiconductors LPC4350 is the first implementation of 32-bit ARM® Cortex™-M0/M4 on a single chip. The M4 can focus on high-speed data plane processing, while the M0 can handle low-speed control t...[Details]
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An easily overlooked overflow problem in 8-bit microcontrollers
example:
uint16 wTmp ;
uint8 x ;
x=2;
wTmp = (uint16)(x*150);
Everyone, is there any problem with the above multiplication? ...[Details]
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Recently, a third-party market research organization released a data report on smartphones equipped with under-screen fingerprint technology in the first half of 2019. In terms of mobile phone brands...[Details]
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Use SDCC+STM8Flash+STLink to build Linux development STM8 development environment. Corresponding MCS51, LPC and the like can also use SDCC 1. Install SDCC $ sudo apt-get install sdcc 2. Install s...[Details]
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Each I/O port of the AVR microcontroller corresponds to three registers: DDRx, PORTx and PINx, where DDRx is the data direction, i.e. input or output; PORTx is the state of the internal pull-up r...[Details]
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The mass production of Desay SV's autonomous driving domain controller IPU03 will enable Chinese automakers to take a solid step towards L3 autonomous driving Autonomous driving has gradually be...[Details]
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Although the inverted T-type resistor network D/A converter has a high conversion speed, due to the analog switch voltage drop in the circuit, when the current flowing through each branch changes s...[Details]
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Federal Communications Commission Chairman Ajit Pai said in a statement today that he will vote to approve the proposed merger between T-Mobile and Sprint after T-Mobile made a new commitment to quic...[Details]
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STC15w4k58s4 chip 4 serial ports simultaneous sending and receiving routine The microcontroller source program is as follows: #include "intrins.H" #include "uart.H" #define uchar unsigned char #de...[Details]
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On July 8, Lenovo Legion gaming phone Pro appeared in the AnTuTu database. The Lenovo Legion gaming phone Pro is equipped with Qualcomm Snapdragon 865 Plus flagship platform, with a main freq...[Details]
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1 Main features of EM78P447S The EM78 series of MCUs are 8-bit high-cost-effective MCUs manufactured by Taiwan Elan Electronics Co., Ltd. using CMOS technology. This series of MCUs generally have bui...[Details]
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During each power-on process of the microcontroller and its application circuit, since there are usually some filter capacitors of varying capacities in the power supply circuit, the power supply vo...[Details]
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Recently, one of the investors of the 1 billion yuan Amou Technology nanolithography machine project, which was once located in Changshu High-tech Zone in Jiangsu Province, was "unveiled". Official...[Details]
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The inverter is a device that converts AC power into AC power with adjustable frequency. It is widely used in industrial automation, power systems and other fields. In practical applications, we of...[Details]