| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | RFD22121 | RFDUINO USB SHIELD | RF Digital Corporation |
| 2 | G6SK2FHDC6 | RELAY TELECOM DPDT 2A 6VTelecom Relay DPDT (2 Form C) Surface Mount | Omron Electronics Inc-EMC Div |
| 3 | TQ2H-5V | RELAY TELECOM DPDT 1A 5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 4 | RSE116748-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 5 | PTF14A | SOCKET LY4Relay Socket DIN Rail | Omron Automation and Safety |
| 6 | NC2-JPS | SOCKET PCB FOR FLAT NC2D-JPRelay Socket Through Hole | Panasonic Electric Works |
| 7 | DSP2A-PS | SOCKET PC MNT FOR DSP2A RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 8 | RT134024 | RELAY GEN PURPOSE SPST 12A 24VGeneral Purpose Relay SPST-NO (1 Form A) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | KUHP-11A51-24 | RELAY GEN PURPOSE DPDT 20A 24VGeneral Purpose Relay DPDT (2 Form C) 24VAC Coil Chassis Mount | TE Connectivity Potter & Brumfield Relays |