Arduino Home Automation Demo
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SPI Serial Module
TEST-ARD-DIY-04
已发布
SPI color display module demo page using minimal signal lines, suitable for resource-constrained embedded systems.(Standalone product 4）
产品介绍
- SPI interface saves MCU pins.
- Supports partial refresh and common graphics drawing workflows.
- Interface, parameters, and FAQ are all maintainable via backend.
- Standalone product ID: 4。
产品参数
| 项目 | 参数 |
|---|---|
| 型号 | TEST-ARD-DIY-04 |
| 所属模块 | SPI Serial Module |
| 显示尺寸 | 3.2 inch |
| 分辨率 | 320 × 240 |
| 显示接口 | 4-wire SPI |
| 触控方式 | Optional resistive touch |
| 供电 | 3.3V |
| 外形尺寸 | Approx. 92 x 60 mm (demo) |
硬件说明
Core signals include SCK, MOSI, CS, DC, and RESET; backlight is independently controlled. Do not apply 5V directly to 3.3V signal pins.
使用说明
- Connect power and SPI signals per the pinout table.
- Configure chip select and orientation in the driver.
- Run a solid color test first, then load the graphical UI.
- Adjust SPI clock based on bus length.
常见问题
- Why is the screen all white?
- Check reset, chip select, data/command pins, and initialization model.
- What if the image has noise?
- Lower the SPI clock and shorten the connection wires.
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