Wiring Diagram (Powerup & Output Terminals) Figure 1: Transistor Output Expansion module power up and Output wiring. *Make sure not turn on all DIP switches at same time. CPU Module and Expansion Module GPIO Connection Diagram Figure 2: The GPIO connection with CPU module and Expansion Module. Doc navigationImplement and Deploy Node Red Program → Was this article helpful to you? Yes No How can we help? Name Email subject message