We will produce a series of video tutorials using the IBM Node-Red DIY software. the Node-Red is open source.I find it's very easy to use,almost not need write many program code.

split data by function:
var msg0={payload:msg.payload[0]};
var msg1={payload:msg.payload[0]};
return [msg0,msg1];

FC 15 for modbus to control 1-31 relay ON, 32 relay OFF payload:
[true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,false]

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