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First, we can find the circuit diagram of the button in the supporting materials of the development board, E: TQ210_CD development board supporting circuit diagram Bottom pdf format TQ210_BOARD_V4_20...[Details]
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Today I will tell you about the use of the keyboard. Let's first look at the pins on the circuit diagram. Next, let’s take a look at how to use a standalone keyboard. Independent keyboard is S4 S...[Details]
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1. External crystal oscillator is poorly soldered 2. The capacitor of the external crystal oscillator does not match, it may be that a large-capacitance capacitor is mixed in the device box 3. The ...[Details]
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On October 15, the Sichuan Provincial Department of Economy and Information Technology issued an announcement, publicizing the list of 25 new industrial tracks to be recognized in Sichuan Province ...[Details]
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I recently made something that needed 4 serial ports, so I used STM32F103V and drew a circuit.
Schematic diagram:
PCB:
Physical map:
Serial port interru...[Details]
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The UPS
AC power supply system is different from the conventional -48V DC power supply system. Its characteristics are that the UPS power supply equipment has requirements fo...[Details]
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Netizen A asked a question to Duan Yongping (Xueqiu ID: 大道形吾行模), chairman of BBK Group, on Xueqiu. Netizen A said: "Hello Mr. Duan: During the Nokia era, you determined that you could become the seco...[Details]
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On April 1, it was learned from the Northwest Branch of State Grid that in 2018, the Northwest Electric Power Control Center selected some new energy plants and stations in the Tianzhong, Qishao an...[Details]
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In today's world of mixed-signal systems, many applications require the measurement and processing of a large number of analog signals, including but not limited to voltage, current, temperat...[Details]
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As an analog field applications engineer, my mission is to help customers solve system problems. Sometimes these system problems can be traced back to the power supply. In the last 3 months, I have e...[Details]
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Baker McKenzie FenXun (Shanghai Free Trade Zone) Joint Operation Office (hereinafter referred to as “Baker McKenzie FenXun”) provided legal consulting services to Jiangxi Ganfeng Lithium Group Co.,...[Details]
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October 13, 2021 - MediaTek released two new products in the Filogic series of wireless connectivity platforms, the Filogic 830 wireless connectivity system-on-chip (SoC) supporting Wi-Fi 6/6E, and t...[Details]
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If there is a phase missing in the three-phase circuit, you need to check the motor control circuit from beginning to end with a multimeter to see where the problem lies and replace the component, ot...[Details]
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Through this collaborative research and development, we will create motor products designed specifically for medium-sized eVTOL (electric vertical take-off and landing aircraft).
Designe...[Details]
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According to Jiwei.com, on July 22, Suzhou Jinhong Electronic Special Gas Project signed an investment agreement in Suxitong Park, Nantong, Jiangsu. Suzhou Jinhong Gas Co., Ltd. was established in ...[Details]
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