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In the field of modern industrial automation, various sensors, actuators and controllers need to exchange data through communication protocols. The DeviceNET communication protocol is one of the wi...[Details]
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#include
unsigned char tmp;
//Initialize the serial port
void csh()
{
SM0=0;
SM1=1;
REN=1;
TI=0;
RI=0; //The above is to initialize the scon register, equivalent to SCON=0x50; ...[Details]
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Last month, this website published a review of Nippon supercapacitors. Nippon's strong performance caused a stir in the industry. Many manufacturers and netizens contacted this website hoping to le...[Details]
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You can generate an FFT plot by periodically collecting a large number of ADC output conversion samples. Typically, ADC vendors use a single-tone, full-scale analog input signal for the typical per...[Details]
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Qixun Location already has a large number of ecological partners in the automotive field. At the chip module level, Qixun Location has cooperated with Qualcomm, u-blox, ST, Huawei, Quectel and other...[Details]
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This paper introduces
the working principle,
circuit
composition and some common fault repair methods of computer ATX
switch
power supply
. It focuses on analyzing the SB volta...[Details]
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Looking at the materials in the drawer, I wanted to make something for fun. I originally wanted to make a 99-meter meter, but there were not enough key switches, so I changed it to a clock. Without f...[Details]
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"Huawei has made significant contributions to the entire mobile phone camera industry." Regarding the entire camera market, an industry insider commented on this earlier. Looking deeper into the rea...[Details]
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Earlier, there was news that Hongqi revealed the news of the "Hongqi customized version of Huawei P40" when warming up the new car. Recently, a poster suspected to be the Hongqi customized version of...[Details]
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introduction
The number of interrupt sources of PIC series microcontrollers has reached 14, which is quite rich; but it also brings some problems: the problem of not being able to handle "...[Details]
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1 Introduction The transmitter is one of the important equipment for wireless communication, and is widely used in the fields of radio and television, mobile communications, marine transportation, an...[Details]
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Whether 4G/5G, the Internet speed of iPhone 12 is not as fast as most Android phones. This is the view expressed in a recent report by Opensignal. The test results of the report mainly include two ...[Details]
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The leakage current tester is designed according to international and domestic safety standards such as IEC, ISO, BS, UL, JIS, etc. It is suitable for testing the safety leakage current of various ...[Details]
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The brushless ringless starter is a voltage-reducing device installed on the motor rotor for synchronous operation. It can eliminate the slip ring and carbon brush, so it is called a brushless ring...[Details]
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PT100 temperature sensor is a commonly used temperature measurement device with the characteristics of high precision, high stability and high reliability. This article will introduce the working p...[Details]
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