[i=s]This post was last edited by jinglixixi on 2021-4-26 11:59[/i]I originally planned to implement the display driver of the OLED screen on the Raspberry Pi Pico development board, but it has not be...
There are 10 digital tubes on a digital tube display board, which uses 1 74HC00D, 2 74HC04D, 10 74HC164D, and 1 NE555P. How are these 4 types of chips used in combination? Please help analyze it...
Development Board IntroductionLearning Board IntroductionThe GD32VF103C-START learning board uses the GD32VF103CBT6 as the main controller. The learning board uses the Mini USB interface to provide 5V...
Zoss Automotive Research Institute released the "2020 Smart Road Roadside Intelligent Perception Industry Research Report", analyzing and studying the industry support policies, industry chain techn...[Details]
Comparing the amplitude and phase difference of two sinusoidal signals is widely used in comparative tests, such as calibration with standard signals, comparison of signals before and after filteri...[Details]
Nowadays, cars have become a standard feature of every family. The most troublesome thing when driving out is the parking problem. Especially in first- and second-tier cities, the density of vehicles...[Details]
Altitude is the vertical distance from the carrier to a certain reference horizontal plane, and is an important basis for navigation. The pressure sensor is an important component of the barometric...[Details]
As shown in the figure, the circuit is composed of 555 as the core. Used to identify each signal when comparing multiple signals. 555, R1, RP, and C1 form an astable multivibrator. The vert...[Details]
1. Hardware schematic diagram: You can see that the user button is PA0 2. Procedure 1) Enable the IO port clock corresponding to the button. PA0 is on the AHB1 bus Call function: RCC_AHB1Pe...[Details]
Mobile phone manufacturers are still obsessed with foldable screens. Since its debut at Microsoft's new product launch event last October, Microsoft executives have recently begun to frequently inter...[Details]
Differential amplifier circuit
1. Zero drift of direct coupled multi-stage amplifier circuit
Coupling method of multi-stage amplifier circuit
In order to obtain a sufficiently high gain or...[Details]
(27) On the evening of the 27th, Shanghai announced that it would lock down half of the city in turn to conduct large-scale nucleic acid testing. According to Taiwan media "Juheng.com", silicon wafer...[Details]
Since both A14 and M1 use TSMC's 5nm process technology, and their architectural features are very similar, the outside world is very curious about the differences between the M1 and A14 in design. R...[Details]
Specific implementation functions The system consists of STC89C52 microcontroller + digital tube module + LED indicator module + button module + power supply. Specific functions: 1. The red light...[Details]
AMD has completed the layout of 7nm Zen 2 in desktops, enthusiast platforms, servers and even semi-custom fields (PS5, Xbox Scarlett), but it has not yet benefited APUs and notebook processors....[Details]
Due to various reasons such as imperfections in the measurement, improper operation by the measurement personnel, changes in objective conditions during the measurement, etc., the measured value will...[Details]
As shown in Figure 139, it is a dual-circuit three-phase power supply automatic switching circuit. When using electricity, the knife switches 1HK and 2HK can be closed at the same time, and the no...[Details]
my country has abundant wind and solar energy resources. After long-term research and unremitting accumulation, many new energy technologies and equipment manufacturing levels have become world leader...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
