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I wrote a serial port receiving function gprs_callback and put it in the serial port interrupt, as follows:
void gprs_callback(void)
{
if(GprsCnt GRLEN)
GprsReceive = LPC_UART2- RBR;
}
The v...[Details]
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When the PFC inverter is working, the rectifier bridge is broken down, and the temperature rise process only takes about 300ms, which is difficult to capture by taking photos. The full radiation th...[Details]
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According to foreign media reports, BASF has successfully developed and tested an innovative tri-metal catalyst technology that can replace the more expensive palladium parts of light gasoline vehicl...[Details]
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At present, China's garbage classification work is being accelerated, and by the end of this year, 46 key cities will basically have established garbage classification and treatment systems. Recent...[Details]
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Experiment 6: Modulus down counter MCCNT and timer interrupt The ECT module contains a 16-bit modulus down counter register MCCNT. The input clock signal of MCCNT is obtained by dividing the BUSCLOCK...[Details]
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The U.S. Federal Communications Commission (FCC) on Friday local time determined that five Chinese companies posed a national security threat to the United States, including Huawei, ZTE, Hytera, Hikv...[Details]
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STMicroelectronics (NYSE: STM) today announced a global sales and marketing organization restructuring plan, this action is aimed at improving customer service quality and strengthening the ove...[Details]
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According to 9to5 Google, MediaTek provides chip support for quite a few Android phones, but the company's high-end products have never reached the level of Qualcomm's Snapdragon series. However, Med...[Details]
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1. Chat After reading the sdcc man page and datasheet, I wrote a few small programs using sdcc. I spent most of my time debugging code, so I decided to review UCOS during this time. Since this is the...[Details]
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Short Circuit Short circuit means that a circuit or part of a circuit is short-circuited. If the load and the power supply are connected together by wires, it is called a short circuit. When the ...[Details]
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The reactive power of a single-phase AC circuit can also be measured using an active power meter. This is because reactive power
If the wiring method is changed so that the phase difference betw...[Details]
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introduction A long-standing challenge for designers of MP3 players, personal media players, digital cameras, and other portable consumer applications is to achieve high performance and low power con...[Details]
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CAN (Controller Area Network) is a controller area network. Due to its strong anti-interference ability, no concept of address in communication and unlimited number of nodes, it has been widely...[Details]
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1. Experimental Task:
Use the timer/counter T0 of AT89S51 to generate a 2-second timer. When the 2-second timer comes, the indicator light flashes. The frequency of each indicator flashing is 0.2 s...[Details]
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Main technical indicators of speakers
The speaker market is full of mixed goods, with prices ranging from tens of yuan to thousands of yuan. How to choose a suitable speaker according to your appli...[Details]
DSP and ARM Processors
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