https://www.maximintegrated.com/cn/app-notes/index.mvp/id/4206
https://www.maximintegrated.com/cn/app-notes/index.mvp/id/4255
https://www.maximintegrated.com/cn/app-notes/index.mvp/id/148
1-wire能走多长主要是看电容:一个等效于24pF电容的电路板引线或器件在1-Wire总线上增加的总长度大约为0.5m。
用这种放方案可以可以让通信距离达到500m:https://www.maximintegrated.com/cn/app-notes/index.mvp/id/244

网友评论