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26 lines
820 B
Markdown
26 lines
820 B
Markdown
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### ZxSpectrumBreadboardHdmiKbd1PinAudio
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This is a target similar to the HDMI prototype which can read from an original Spectrum keyboard matrix.
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It is a work in progress.
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<img src="proto_kbd.jpg" width="300"/>
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It supports the following:
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* USB keyboard
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* Matrix keyboard (8x8)
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* USB joysticks
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* HDMI video
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* PWM sound (1 pin)
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* SPI SD card
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#### Circuit Diagram
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I don't know how the original keyboard pins were numbered but mine go from left to right with the keyboard oriented as you would type on it.
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#### Firmware
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| Firmware Pico | Firmware pico 2 |
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| - | - |
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| [ZxSpectrumBreadboardHdmiKbd1PinAudio.uf2](/uf2-rp2040/ZxSpectrumBreadboardHdmiKbd1PinAudio.uf2) | [ZxSpectrumBreadboardHdmiKbd1PinAudio.uf2](/uf2-rp2350/ZxSpectrumBreadboardHdmiKbd1PinAudio.uf2) | |