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Use the microcontroller P1 port to expand into a 4*4 keyboard. Press the key to light up the LED of the P0 port. The expansion of the matrix keyboard is not complicated, but the detection code pa...[Details]
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On May 27, OPPO’s official Weibo account shared the new selling point of the OPPO Reno 4 series - 65W Super Flash Charging, to warm up for this new flagship. OPPO's official Weibo accoun...[Details]
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MOVIFIT FC inverter initialization StartUp (motor tuning)
Motor starting
The motor must be started in expert mode.
To activate "Expert Mode" you must switch DIP switch S10/1 to...[Details]
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1 Introduction
Developing clean energy has become one of the core strategies for countries around the world to cope with the financial crisis and economic recession. Since electric vehicles ...[Details]
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A White House review has concluded that a global semiconductor shortage will continue until at least the second half of this year, potentially putting long-term pressure on a range of U.S. companies....[Details]
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In recent years, the wave of Internet finance has brought challenges to the traditional financial industry. At the same time, the informatization process of traditional financial enterprises is also ...[Details]
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The three important parameters of an oscilloscope are: bandwidth, sampling rate, and memory depth. 1. Bandwidth definition: The definition of oscilloscope bandwidth has not changed, that is, input ...[Details]
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MCU and peripheral circuits
Figure 5 MCU and peripheral circuits
Figure 5 shows the microcontroller and its peripheral circuits. The microcontroller is AT89C55 from ATMEL, which has a 20K-byt...[Details]
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According to the official website of Harvard University's John Paulson School of Engineering and Applied Sciences, researchers have developed a highly compact and portable camera that can image polar...[Details]
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Cost reduction by making modules③
Low price is important for expanding the market. However, it is not only required to reduce the price of power storage components, but also to comprehensivel...[Details]
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Recently, some investors have found that Zhongfu Circuit's inventory has continued to rise, and they are worried about the risk of scrapping. In this regard, on January 19, Zhongfu Circuit said throu...[Details]
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TWS (True Wireless Stereo) Bluetooth headsets are extremely popular audio products in recent years. With the help of Bluetooth chips, it first establishes a wireless connection between the mobile p...[Details]
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South Korean giants in the automotive and electrical appliance fields are going to "get together" in the field of Internet of Vehicles. Hyundai Kia announced a cooperation agreement with Samsung on W...[Details]
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Speaking of signal sources, hardware engineers must be very familiar with them. Like spectrum analyzers and oscilloscopes, they are common test instruments for product development in the electronics ...[Details]
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Abstract: K9S6408V0A is a flash memory produced by Samsung. It has the characteristics of large capacity and simple interface. The ADuC812 is a multi-channel 12-bit AD converter with embedded MC...[Details]