| Component | Supplier | Code | US$ | Remarks |
| Ethernet board | Modtronix | SBC65EC | 69.95 | Hardware version V2.11 or higher |
| Prototyping board | Modtronix | PT01TC-ASM | 4.50 | Used to support the other components |
| MAX485 | Digikey or others | MAX485CPA+-ND | 2.76 | Can be replaced by SN75176, LMS485 or similar |
| DIP-8 Socket | Digikey or others | AE10011-ND | 0.42 | Not mandatory, but recommended |
| 1N4001 diode* | Digikey or others | 1N4001FSCT-ND | 0.11 | Can be replaced by any rectifier diode. (Minimum 30 V. 100 mA.) |
| Resistor* 33 Ohm, 1/4W | Digikey or others | 33.2KXBK-ND | 0.49 | Price for 5 pieces. (Minimum order at Digikey) |
| RJ-14 (6 pos/4 contacts) | Digikey or others | A31423-ND | 0.73 | Right/Angle, low profile Can be replaced by a RJ-12 (6 pos/6 contacts) |
| Total | 78.96 |
* The diode and the resistor can be omitted if an external power supply is used.
