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Taishanpai serial port expansion board + casing

Overview

The casing is made using 3D printing and CNC machining, while also considering heat dissipation and portability (this model is applicable to JLCPCB's one-yuan CNC rules).
Serial port 3 and the RPLIDAR communication interface are shared.
If you want to enable these serial ports (Linux), please enable them in the device tree of the source code.

The I2C2 interface and

UART are UART3, UART4, UART5, UART7, and UART9.

The LED colors and I/O ports correspond as follows:
GPIO3_A1-B ,
GPIO3_A2-G,
GPIO3_A3-R.

The buttons (numbered 321 from left to right) correspond to the following I/O ports:
GPIO0_B7-SW3,
GPIO3_B3-SW2,
GPIO3_B4-SW1.

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2026-03-26 15:15:21

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