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probonopd 2 years ago committed by GitHub
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      README.md

@ -53,36 +53,9 @@ Video about this project by [Floyd Steinberg](https://www.youtube.com/watch?v=Z3
All devices on Raspberry Pi GPIOs are **optional**.
__CAUTION:__ All GPIO numbers are [chip numbers](https://pinout.xyz/), not header positions.
|GPIO | Device | | Function | Direction | Comment|
|---|---|---|---|---|---|
|14 | UART | | TXD | | OUT | | serial MIDI|
|15 | UART | | RXD | | IN | | serial MIDI|
|18 | DAC | | CLK | | OUT|
|19 | DAC | | FS | | OUT|
|21 | DAC | | DOUT | | OUT|
|02 | I2C | | SDA | | IN/OUT | | used by some DACs|
|03 | I2C | | SCL | | OUT | | used by some DACs|
|17 | LCD | | EN | | OUT | | default setting|
|27 | LCD | | RS | | OUT | | default setting|
|16 | LCD | | RW | | OUT | | default setting, optional|
|22 | LCD | | D4 | | OUT | | default setting|
|23 | LCD | | D5 | | OUT | | default setting|
|24 | LCD | | D6 | | OUT | | default setting|
|25 | LCD | | D7 | | OUT | | default setting|
|05 | ROTARY ENCODER | CLK (ENC A) | IN | | default setting|
|06 | ROTARY ENCODER | DT (ENC B) | IN | | default setting|
|26 | ROTARY ENCODER | SW | | IN | | default setting|
|12 | PWM AUDIO | PWM0 | | OUT | | on Raspberry Pi Zero|
|13 | PWM AUDIO | PWM1 | | OUT | | on Raspberry Pi Zero|
|07 | SPI | | /CE1 | | OUT | | reserved|
|08 | SPI | | /CE0 | | OUT | | reserved|
|09 | SPI | | MISO | | IN | | reserved|
|10 | SPI | | MOSI | | OUT | | reserved|
|11 | SPI | | SCLK | | OUT | | reserved|
|04 | NONE | | | | | | can generate clock signal|
|20 | NONE | | | | | | may be used for DAC DIN|
![](https://user-images.githubusercontent.com/2480569/166105580-da11481c-8fc7-4375-8ab1-3031ab5c6ad0.png)
Please the the [wiki](https://github.com/probonopd/MiniDexed/wiki) for more information.
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