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The microcontroller must start with GPIO. The three LED lights on the development board are PD0, PD2 and PD3, and the KEY is PD7, so the GPIO initialization only needs to initialize the PD port. Writ...[Details]
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Regarding the circuit structure of the voltage-stabilized power supply, whether it is a transistor linear DC power supply, a thyristor DC voltage-stabilized power supply or a switching power suppl...[Details]
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Recently, the company wants to develop a smart hardware, connect the hardware through an APP, and send commands to achieve certain purposes. For a newbie who has never been exposed to Bluetooth, I am...[Details]
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The 3C industry is a general term for computers, communications, and consumer electronics, including computers, tablet devices, smart phones, smart wearable devices, and other categories. Data sh...[Details]
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In recent years, State Grid Hubei Electric Power Co., Ltd. has expanded its comprehensive energy business in many aspects, built a provincial comprehensive energy service exhibition hall, promoted ...[Details]
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LPC1114 can automatically ISP download programs. Because before it leaves the factory, the bootloader program is solidified in the chip, and the chip leads to the boot pin. The bootloader is used to ...[Details]
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Automobile exhaust gas detection system based on virtual instrument technology
Abstract: In order to monitor and prevent environmental pollution caused by automobile exhaust emissions, this paper...[Details]
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ON Semiconductor’s Silicon Carbide Technology to be Integrated into BMW Group’s Next Generation of Electric Vehicles
BMW Group’s future electric powertrains will be equipped with...[Details]
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3D movies, navigation, printers, and televisions are all familiar to everyone. Now, "3D blockbusters" are beginning to be performed in operating rooms. Recently, Sun Yat-sen Memorial Hospital of Sun ...[Details]
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For example, when i=0, the value of tab is 0x3f, so the function of bit_dat((bit)(tab &0x80)); is: Step 1: bitwise AND tab with 0x80, that is, bitwise AND 0x3f with 0x80 (and 0x40 with the 6th bit). ...[Details]
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1. Introduction
The small conference system or voice group chat system is composed of multi-channel audio circuits. In order to make the call orderly, the output of each audio signal needs to be c...[Details]
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Over the past two years, WM Motor has been walking down-to-earth among the new car-making forces, but the problems that every new car-making force will encounter are not few and are getting closer an...[Details]
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Televisions have evolved from early CRT black and white TVs to CRT three-gun (RGB) color TVs and SONY's CRT single-gun color TVs, then CRT flat-panel color TVs, then electric paddle color TVs, then...[Details]
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1.
Experimental tasks
As shown in Figure
4.2.1
, the monitoring switch
K1
(connected to
the
P3.0
port) is used, and...[Details]
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A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]