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Main control STC89C52RC crystal oscillator: 11.0592 while(NRF24L01_TxPacket(tmp_buf)!=TX_OK); //If the transmission fails, it will continue to send until the other party receives it successfully. ...[Details]
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The industry's smallest system size enables both wireless power supply and contactless communication in wearable devices
LAPIS TECHNOLOGY CO., LTD. (hereinafter referred to as "LAPIS TECHN...[Details]
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Working principle: The circuit is shown in Figure 1. The RC phase shift circuit composed of R2, RP1 and C1 determines the conduction angle of the thyristor. When the voltage across C1 rises to the ...[Details]
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Analog Devices, Inc.，最新推出的 ADF4158 PLL 合成器，可灵活 、高性价比地实现 FMCW（频率调制连续波）雷达系统。FMCW 雷达系统广泛应用于汽车、航空、军事、工业和通信领域，可测量外部目标的相对距离和速度。与传统的脉冲雷达方法相比，FMCW 雷达系统能以低得多的功耗水平提供检测和测距功能，因而具有显著的成本优势。
FMCW radar sys...[Details]
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The life cycle of variables, the difference between stack and heap, the initialization of variables, the essence of passing pointers and values
The essence of passing a pointer is to pass a val...[Details]
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Configuring a step-down switching converter IC as an inverter yields an efficient, high-power -5V supply with up to 4.5A of output current at 12V input and 3.2A at 5V input (Figure 1).
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AMD announced the addition of three new processors to the second generation AMD EPYC processor family - AMD EPYC 7F32 (8 cores), EPYC 7F52 (16 cores), and EPYC 7F72 (24 cores). These new processors c...[Details]
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Reasons for choosing virtual instrument technology/Why choose virtual instrument technology? Virtual instrument technology is a user-defined test and measurement solution based on PC technology. Its ...[Details]
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According to Wenhui Daily, in the first week of May, Shanghai Pudong Airport Customs has supervised a total of 731 inbound and outbound cargo planes, a month-on-month increase of 36.4%. It is report...[Details]
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Generally, SPI is used with MASTER, but SLAVE has never been used. I referred to the example of ST and found that it could not meet my needs. So I modified it myself. Initialize configuration SPI ...[Details]
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LED has unique advantages, but it is a fragile semiconductor product, so we must be extra careful when using LED products. This article will summarize some precautions in LED design and applicati...[Details]
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Ceramic capacitor: A capacitor made of high dielectric constant ceramic as dielectric material. (Ceramic barium titanate-titanium oxide) is squeezed into a round tube, disc or disc as the dielectri...[Details]
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The structure of the buzzer on
the microcontroller is very simple
As long as you give it a 0, it will "call". The principle of making it sing is very simple. The volume of the sound is fixed. By ...[Details]
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Based on smdk240 in u-boot, ported to mini2440, gcc version 4.4.3, u-boot version 2011.12 1. Copy board/samsung/smdk2410 to board/samsung/mini2440; Rename smdk2410.c under board/samsung/mini2440 to...[Details]
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During the transmission process of digital signals, errors (bit errors) may occur due to interference or deterioration of channel characteristics. Therefore, error correction is an indispensable pr...[Details]
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