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#include reg52.h
sbit led=P2^0;
void delay3s(void) //error 0us
{
unsigned char a,b,c;
for(c=189;c 0;c--)
for(b=230;b 0;b--)
for(a=3...[Details]
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As shown in the figure below, two resistors are used to divide the voltage. The resistance value can be 2:1. After dividing the voltage, 1/3 of the voltage of the signal source is obtained. In this w...[Details]
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Results Good measurement repeatability Low installation cost Eliminate leakage hazards Application DMAC solution flow measurement problem in the acrylic fiber plant of Jilin Chemical Fiber ...[Details]
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The latest research report released by Strategy Analytics' Device Technology (EDT) team predicts that Apple will join the 5G race in Q3 2020, which will put Apple in the lead in 5G smartphones. The r...[Details]
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According to GSMArena, after Google pushed the December update, many Pixel 6 users reported that a new bug had appeared, the signal was often lost, and calls and data connections were affected. This ...[Details]
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The U.S. Secretary of Commerce officially announced that Huawei’s “temporary license” will be extended for 90 days, but another 46 Huawei-related companies have been added to the “Entity List”. It ...[Details]
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On April 26, 2021, Great Wall Strategic Consulting released the "China Unicorn Enterprise Research Report 2021" (hereinafter referred to as the "Unicorn Report") at the China High Growth Conference h...[Details]
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Traditional circuit performance testing uses manual testing to verify whether the circuit is qualified, which has the following main disadvantages: First, during the test process, the connection betwe...[Details]
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0 Introduction The transmitter uses many vacuum devices, such as vacuum capacitors, vacuum tubes, vacuum switches, etc. Vacuum devices are the core devices of broadcast equipment, with large con...[Details]
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On October 19, the Ministry of Industry and Information Technology issued the "Guiding Opinions on Further Strengthening the Construction of New Energy Vehicle Safety System" (draft for comments), wh...[Details]
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1. Initialize the corresponding UART void Uart_Init(int pclk, int baud) { if(pclk == 0) pclk = PCLK; if(UartNum==0) //Judge whether to use UART0 { rGPHCON = rGPHCON & (~(0xfff...[Details]
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As consumers continue to adopt Internet of Things (IoT) solutions to connect in-home devices to external and internal networks, smart speakers will become more common in more homes. In fact, the smar...[Details]
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The main principle of this design is that the single chip microcomputer compares and processes the temperature value collected by the temperature sensor with the set constant temperature value in re...[Details]
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Fairchild's FAN9611/12 is an interleaved dual Boundary-Conduction-Mode (BCM) PFC controller that controls output power from 300W to more than 800W. It allows the use of cheaper diodes without sacrific...[Details]
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By increasing the payload capacity of its large-payload collaborative robots, Universal Robots can effectively increase its customers’ production throughput and overall production efficiency.
...[Details]
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