root
49 lines
598 B
Markdown
49 lines
598 B
Markdown
# Pico Pinout (Planned)
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## Display
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3.5 inch SPI capacitive touchscreen
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Resolution:
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- 320x480
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Display Driver:
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- ST7796S
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Touch Controller:
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- FT6336U
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Display Communication:
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- SPI
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Touch Communication:
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- I2C
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Voltage:
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- 3.3V / 5V compatible
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## Communications
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Primary:
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- UART over CAT5
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Backup/Future:
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- RS-485 over CAT5 if UART proves unreliable
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- WiFi HTTP backup
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## Inputs
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- Capacitive touchscreen
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## Outputs
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- Active 5V buzzer for audible alarms
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- Display backlight control if supported
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## Future
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- Physical wake button
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- Status LED
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Final pin assignments pending display wiring test.
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