https://robots.ros.org/opencr/ OpenCR介绍以及自制OpenCR https://blog.youkuaiyun.com/liujiandu101/article/details/80057914 OpenCR的ArduinoIDE设置 https://www.ncnynl.com/search/OpenCR%E7%9A%84ArduinoIDE%E8%AE%BE%E7%BD%AE/