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0 Introduction
In some automatic measurement fields, in order to meet special test conditions or measurement processes, it is often required to control the power supply to switch polarity o...[Details]
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Nokia Mobile announced today that Nokia 6300 4G and Nokia 8000 4G now support Alipay QR code payment function, which can be used after the system is updated. "Actively scan the code" or "show t...[Details]
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Recently, Toshiba announced that Nissan and Mitsubishi will use Toshiba's SCIB battery cells for hybrid systems in small cars. According to the current Panasonic HEV battery cells used in the Note an...[Details]
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91mobiles has now exposed the parameters of OPPO Reno 8 SE and other content. It is expected that the phone will be released in China later this month, but some digital bloggers call it OPPO Re...[Details]
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Failure phenomenon:
English: Trying to handshake with MCU/MCU...
Failed to open serial port!
English: The serial port has been opened by another program or the serial port does not exist.
Sol...[Details]
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This is the circuit diagram of a stereo digital volume control. This circuit can be used to upgrade the manual volume management in a stereo amplifier circuit. In this particular circuit, pressing ...[Details]
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The most simplified design diagram collected from the Internet. The download line should not be too long, otherwise it is easy to make mistakes.
The parallel port ISP download cable has lo...[Details]
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IT Home reported on January 9 that according to gsmarena, Sony Xperia 1 III and Xperia 5 III have begun pushing Android 12 updates with an internal version number of 61.1.A.1.149, first for th...[Details]
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Flyback converter circuit using MAX630
The figure shows a flyback converter circuit composed of MAX630. The primary of the flyback transformer T in the circuit provides a rectified AC volt...[Details]
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void motor_ffw()
{
unsigned char i;
for (i=0; i 8; i++) //rotate 30 degrees in one cycle
{
P1 = FFW &0x1f; //Get data
//FFW is the step code
...[Details]
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China Energy Storage Network: According to the National Energy Administration, in the first half of this year, the country's wind power grid-connected capacity increased by 7.74 million kilowatts. ...[Details]
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The white part is the CPU internal register, the yellow part is the peripheral register, the green part is the peripheral connected to the storage controller, and the red part is the peripheral
...[Details]
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Google Glass was released last week. Although it was only available for one day, Google still hoped to understand the market demand for its product through this smart glasses product priced at $1,...[Details]
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It is reported that in the additional product list worth US$4 billion, the EU goods that will be taxed mainly include cheese, milk, coffee, pork products, Irish and Scottish whiskeys, and some metal ...[Details]
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The RT8458 is a PWM controller with an integrated high side floating gate driver. It is used for step down converters by well controlling the external MOSFET and regulating a constant output current....[Details]
RF/Wirelessly
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