http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:PartNumberSearch%7cCapSense%7c1%7c,Ny:True,Ro:0,Nea:True,N:4294880381 . In the previous lessons, I showed you how to build applications using the built in services of PSoC Creator. What happens when you want to implement something that isn’t in the list? you need to add a “Custom Service”. We are going to write this application from scratch. http://youtu.be/_U9kFt7F18Q