Displays
Start Here β Which Display?
π Small Status / Text? OLED SSD1306. 128x64, I2C, $3. Simplest to wire.
π¨ Color UI? TFT ILI9341. 320x240, SPI, $8. Gauges, graphs, menus.
π€ Low Power / Signage? e-Paper 2.13 inch. No power to hold image, $15.
| Type | Resolution | Interface | Size | Price | Best For |
|---|---|---|---|---|---|
| OLED SSD1306 | 128x64 | I2C | 0.96" | ~$3 | Status, small text |
| TFT ILI9341 | 320x240 | SPI | 2.8" | ~$8 | Color UI, gauges |
| e-Paper 2.13" | 250x122 | SPI | 2.13" | ~$15 | Low-power signage |
| LCD 1602 | 16x2 char | I2C or parallel | 80x36mm | ~$5 | Simple text readouts |
| TFT ST7789 | 240x240 | SPI | 1.3" | ~$4 | Small color, wearable |
| LED Matrix MAX7219 | 8x8 per module | SPI | 32x32mm/module | ~$3 | Scrolling text, pixel art |
| HDMI LCD 5" | 800x480 | HDMI | 5" | ~$35 | Raspberry Pi desktop |