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On July 22, AAC Technologies released an announcement announcing that AAC Technologies' subsidiary, AAC Communications Technology (Changzhou) Co., Ltd. ("AAC Communications", which after reorganizati...[Details]
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platform Hardware: TQ2440 64MB RAM 256MB NandFlash bootloader：U-Boot 2015.04 kernel：linux-4.9 Python: Python-3.6.0 Toolchain: arm-none-linux-gnueabi-gcc 4.8.3 Overview Raspberry Pi is very popular ...[Details]
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The US Patent and Trademark Office officially published 51 new patents granted to Apple today. In this post, we will look at the patent covering the passenger door window of the car under Project Tit...[Details]
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MAX660 oscillation frequency change method
As shown in the figure, if the OSC pin is connected to an external capacitor C3, the oscillation frequency can be reduced. If the internal oscillato...[Details]
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In battery-powered circuits or constant-current powered circuits, sudden current surges that operate relays can cause the supply voltage to drop. This is the result of internal resistance or current ...[Details]
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Recently, there have been multiple reports that multiple people close to Megvii’s senior management said that Megvii has suspended its listing process on the Hong Kong stock market, and the company w...[Details]
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When the main power supply is off, the circuit automatically switches the battery in through the relay to power the device. When the main power supply is normal, the battery is charged in different ...[Details]
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Abstract: Based on the actual circuit working principle, a PFC circuit simulation model suitable for PSPICE software is established by using the average model of switching devices.
Circuit sim...[Details]
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Definition and Content of Cyber Security In the past two years, with the increasing maturity of new energy vehicle technology and the gradual improvement of intelligent network technology, variou...[Details]
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The USB bus is currently the most successful and widely used peripheral interface. With the progress and development of the times, the demand for electronic products, handheld devices, ultra-large-...[Details]
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The control of the servo generally requires a time base pulse of about 20ms. The high-level part of the pulse is generally the angle control pulse part in the range of 0.5ms-2.5ms, and the total inte...[Details]
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On June 1, DIGITIMES reported that sources in the notebook industry said that cloud service providers will reduce their dependence on processor suppliers as most of them hope to develop their own Arm...[Details]
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In 1967, the 13th International Conference on Weights and Measures in France stipulated that candela, candela/square meter, lumen, and lux are used as units of luminous intensity, brightness, lumin...[Details]
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#include #include #defineucharunsignedchar #defineuintunsignedint ucharnp; //Stepper motor operation data table constucharmotortb［］={0x11，0x99，0x88，0xCC，0x44，0x66，0x22，0x33}; voiddelay_nms(uintms) //...[Details]
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Boost circuit
Figure Boost Circuit When the required output voltage of the regulated power supply is higher than the output voltage of the integrated regulator, a boost circuit can be used t...[Details]
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