LANDZO 8 Channel 5V DC Relay Module Expansion Board for Arduino Raspberry Pi DSP AVR PIC ARM was ordered from Amazon.
https://www.amazon.com/gp/product/B01NBUDHPB/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Interconnect Wires
8 wires to middle relay driver board were done on
Attachments