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update README: wiring table, new features, data-generators in arch diagram

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Gabriel Kaszewski
2026-06-19 12:37:30 +02:00
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README.md
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@@ -89,6 +89,23 @@ cd spa && bun install && bun run dev
# 5. Add a data source, create widgets, build a layout
```
### ESP32 wiring
2.4" ILI9341 SPI LCD module → ESP-WROOM-32:
| LCD Pin | ESP32 GPIO | Function |
|---------|------------|----------|
| VCC | 3V3 | Power |
| GND | GND | Ground |
| DIN | GPIO23 | SPI MOSI |
| CLK | GPIO18 | SPI SCLK |
| CS | GPIO26 | Chip select |
| DC | GPIO21 | Data/command |
| RST | GPIO22 | Reset |
| BL | 3V3 | Backlight (always on) |
Uses SPI2 (HSPI) at 26 MHz. Pin assignments are in `crates/client-esp32/src/main.rs`.
### ESP32 client
```bash