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# EPD-nRF51
4.2 寸电子墨水屏固件,带有一个网页版上位机,可以通过蓝牙传输图像到墨水屏。
理论上支持所有 nRF51 系列 MCU内置 3 个微雪 4.2 寸墨水屏驱动(可切换),同时还支持自定义墨水屏到 MCU 的引脚映射。
![](docs/images/0.jpg)
## 支持设备
- 老五 4.2 寸价签,黑白双色版本
```
MCUnRF51822
RAM16K
ROM128K
驱动EPD_4in2
引脚映射0508090A0B0C0D
```
![](docs/images/1.jpg)
- 老五 4.2 寸价签,黑白红三色版本
```
MCUnRF51802
RAM16K
ROM256K
驱动EPD_4in2b_V2
引脚映射0A0B0C0D0E0F10
```
## 致谢
- 屏幕驱动代码来自微雪 [E-Paper Shield](https://www.waveshare.net/wiki/E-Paper_Shield)
- 网页版上位机代码来自 [atc1441/ATC_TLSR_Paper](https://github.com/atc1441/ATC_TLSR_Paper)