Here is the Ultimate Smart Home Tech Tour for 32 Channel Distribution Board DIY used by KC868-H32B Smart Controller. Step by step, it's very easy to DIY. Perfect for Smart home 2020. Smart Controller also can connect with Arduino or Nodemcu or Raspberry PI.It open protocol and have demo source code.Support integrate to Node-Red and Home Assistant platform. if you want to talk with us or want circuit diagram and software documents, please subscribe and leave message to us. if you have interesting and want to DIY, there are all parts for you: https://www.kincony.com/smart-distribution-board-diy-bundle.html KC868-H32B smart relay controller: https://www.aliexpress.com/item/1005001468919478.html?spm=a2g0o.store_home.productList_1276220108.pic_5&spm=a2g0o.store_home.hotSpots_6000152504696.0 switch terminal board: https://www.aliexpress.com/item/4000837921689.html?spm=2114.12010612.8148356.29.3652580dQLehLQ 32CH Distribution Board DIY kits: https://www.aliexpress.com/item/1005001586870115.html?spm=2114.12010612.8148356.1.702238d9a72Xf8 visit for more: KinCony's website: https:www.kincony.com Aliexpress Online Store: https://kincony.aliexpress.com/store/807891 Facebook: https://www.facebook.com/kincony.smarthome Twitter: https://twitter.com/kincony