K14NSBF

Seven-button 4k mobile phone

Overview

The source code is modified from PC keypad, multimedia keypad, CH551G/CH552G microcontroller - Jialichuang EDA open source hardware platform (oshwhub.com).
The modification is messy and will not be released. ww

Instructions for use:

Because the school does not have the conditions for welding, the board The verification work was entrusted to a friend from far away. It is worth mentioning that this is his first contact with welding. I have to say that he is very talented. qwq

Thanks to "I am Little K" for helping to draw the casing.

The casing is designed for left and right combination. Welding C When opening the mouth, try to push the C port inward to prevent the shell from getting stuck. (Thanks to "Sankana" for verifying the shell)

Physical demonstration: (Thanks to "guan Xiansen" for verifying this solution)

Design Files

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Update:2025-07-04 10:10:43

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