| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RFD22121 | RFDUINO USB SHIELD | RF Digital Corporation |
| 2 | G6S-2F-TR DC12 | RELAY TELECOM DPDT 2A 12VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | 1393824-3 | RELAY SOCKETRelay | TE Connectivity Potter & Brumfield Relays |
| 4 | 910003 | RELAY SOCKET 24VDC 8PIN OCTALRelay Socket DIN Rail | Weidmuller |
| 5 | RT334005 | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | ALZ51B05 | RELAY GEN PURPOSE SPST 16A 5VGeneral Purpose Relay SPST-NO (1 Form A) 5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | RE032024 | RELAY GEN PURPOSE SPST 6A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 2970882 | INTERFACE MODULE W/PLUG-IN SCKTI/O Module Rack 4 Channel | Phoenix Contact |
| 9 | 2973067 | CONN TERM BLOCKI/O Module Rack Channel | Phoenix Contact |