| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | 2658 | SIM CARD ADAPTER 3PACK | Adafruit Industries LLC |
| 2 | 910507 | RSM 4 24VAC SPDT 10A SOCKETRelay | Weidmuller |
| 3 | 8690880000 | SCM 2CORelay Socket DIN Rail | Weidmuller |
| 4 | SY4S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 5 | RH3B-ULDC24V | RELAY PLUG-IN 3PDT 10A 24VDCGeneral Purpose Relay 3PDT (3 Form C) 24VDC Coil Socketable | IDEC |
| 6 | T9GS2L24-22 | T9GS2L24-22General Purpose Relay SPST-NC (1 Form B) 22VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 7 | V23061B1002A501 | RELAY GENERAL PURPOSE SPDT 8A 5VGeneral Purpose Relay SPDT (1 Form C) 5VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | T90S5D42-24 | RELAY GEN PURPOSE SPDT 20A 24VGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 9 | 2904-05-421 | RELAY RF SPST 500MA 5V | Coto Technology |