Digital Display

Design and Implementation of an Independent Keyboard Simulation System Based on Microcontroller

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Design and Implementation of an Independent Keyboard Simulation System Based on Microcontroller

1. Control Requirements1.Keyboard Structure: An independent keyboard structure is adopted, consisting of 4 mechanical keys K0~K3;2.Debounce Algorithm: A software delay debounce algorithm is used to effectively eliminate interference caused by mechanical key bounce;3.Display Method: A static display using a digital tube is employed to clearly and real-time show the value of the pressed key.2. Simulation … Read more

OpenWrt Compilation Tutorial

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OpenWrt Compilation Tutorial

It is recommended to use Ubuntu system, as there are many tutorials available, and troubleshooting becomes easier. You can use WSL, but it is not recommended to compile on NTFS or ReFS file systems, and using PowerShell for compilation is also discouraged. Do not use the root user; the default user in Ubuntu is ‘ubuntu’, … Read more

What is a Stamp Hole Core Board?

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What is a Stamp Hole Core Board?

The stamp hole core board is undoubtedly a magical stamp, carrying a time-traveling communication password! When it is precisely embedded into the base board, it is like the moment a stamp is affixed to an envelope, “whoosh”, it is injected with a soul. Together, they break through the digital fog, racing along the “postal route” … Read more

DIY Mechanical 7-Segment Display

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DIY Mechanical 7-Segment Display

MAKER: indoorgeek / Translated by: 趣无尽 Using a digital tube to display time is quite common. We have also introduced projects that use mechanical devices to construct and display numbers, such as this “pure mechanical device simulating a digital clock”. This one is slightly more complex, and enthusiasts have expressed that it is quite challenging. … Read more