摘要: http://raspberrypi.stackexchange.com/questions/41637/common-ground-with-9v https://www.raspberrypi.org/forums/viewtopic.php?t=38146 总而言之:把多个设备共地是很正常的, 阅读全文
posted @ 2016-02-17 09:31 fzyzcjy 阅读(334) 评论(0) 推荐(0) 编辑