Glue, tape, hammer and nails?
OH, if you mean how to wire and code… well, that is a much bigger tutorial, but you can try Google 
or perhaps, just perhaps… search this forum for something similar you can learn from… !! > hint < !!
(I really need to stop looking at these type of questions… my sarcasm circuitry goes into overdrive 
)
PS, welcome to Blynk 