电容触摸屏资料适合7寸30PINS
https://files.cnblogs.com/linkfeel/%E7%94%B5%E5%AE%B9%E8%A7%A6%E6%91%B8%E5%B1%8F%E8%B5%84%E6%96%99.pdf
Pin Name
1 GND
2-16 EXC1-EXC15
17-19 GND
20-29 SEN0-SEN9
30 GND