obsidian-notes/DIY/LED屏.md

---
tags:
  - led
  - 屏
  - 触摸
---
## 老王1元1.3寸带触摸360彩屏
排线公头为24pin\*0.4mm，公头规格与普通型号的母座不兼容而无法直接安装
经研究两侧需各留空一对pin脚，可与普通型号的20pin\*0.4mm母座兼容
对应<mark>母座</mark>引脚定义如下（屏在左。左边是触摸，主控ST1615；右边是屏幕，主控ST7789）：

```c
/***
+----+------+------+------+------+------+------+------+------+------+------+----+
|       20                                                             11       |
+----+------+------+------+------+------+------+------+------+------+------+----+
| X  |  CS  |  DC  | RST  | SDA  | SCK  | GND  | VCC  | VDDI | BL-  | BL+  | X  |
+----+------+------+------+------+------+------+------+------+------+------+----+
| X  | GND  | GND  | GND  | VCC  | INT  | RST  | SDA  | SCL  |  X   | BL+  | X  |
+----+------+------+------+------+------+------+------+------+------+------+----+
|       1                                                              10       |
+----+------+------+------+------+------+------+------+------+------+------+----+
***/
```

竖版
```c
/***
+----+------+------+----+
|    |  X   |  X   |    |
+----+------+------+----+
| 1  | GND  |  CS  | 20 |
+----+------+------+----+
| 2  | GND  |  DC  | 19 |
+----+------+------+----+
| 3  | GND  | RST  | 18 |
+----+------+------+----+
| 4  | VCC  | SDA  | 17 |
+----+------+------+----+
| 5  | INT  | SCK  | 16 |
+----+------+------+----+
| 6  | RST  | GND  | 15 |
+----+------+------+----+
| 7  | SDA  | VCC  | 14 |
+----+------+------+----+
| 8  | SCL  | VDDI | 13 |
+----+------+------+----+
| 9  |  X   | BL-  | 12 |
+----+------+------+----+
| 10 | BL+  | BL+  | 11 |
+----+------+------+----+
|    |  X   |  X   |    |
+----+------+------+----+
***/
```
采用四线SPI控制，分辨率240\*240
> 24.05.29屏幕已点亮，但触摸无效。