H-BRIDGE: 2.8 AMPS
| Vendor | Part # | QTY | Description | Unit Cost | Total Cost | Notes |
| Digikey | ATMEGA88-20AU-ND | 1 | ATMega88 | $3.76 | $3.76 | |
| 296-6857-5-ND | 1 | DIFF. BUS TRANSCEIVER | $0.75 | $0.75 | ||
| 620-1131-1-ND | 1 | ALLEGRO A3949 H-BRIDGE | $5.11 | $5.11 | ||
| PX200BCT-ND | 1 | 20MHz CERAMIC RESONATOR/td> | $0.62 | $0.62 | ||
| LM2940IMP-5.0CT-ND | 1 | 5V 1A VOLTAGE REGULATOR | $1.83 | $1.83 | ||
| SW262CT-ND | 1 | TACTILE SWITCH | $0.64 | $0.64 | ||
| 160-1169-1-ND | 2 | LED, GREEN | $0.06 | $0.12 | ||
| PCE2047CT-ND | 1 | 100uF CAPACITOR | $0.64 | $0.64 | ||
| PCE3517CT-ND | 1 | 68uF CAPACITOR | $0.325 | $0.33 | ||
| 399-1248-1-ND | 4 | 100nF CAPACITOR | $0.28 | $0.28 | ||
| PCC1887CT-ND | 1 | 220nF CAPACITOR | $0.061 | $0.24 | ||
| 399-3498-1-ND | 1 | 470nF CAPACITOR | $0.394 | $0.79 | ||
| 311-0.0ERCT-ND | 1 | 0 OHM RESISTOR | $0.034 | $0.04 | ||
| P560ECT-ND | 2 | 560 OHM RESISTOR | $0.08 | $0.16 | ||
| P20.0KFCT-ND | 3 | 20K OHM RESISTOR | $0.099 | $0.30 | ||
| Mouser | 538-15-91-0060 | 1 | 2x3 PIN HEADER | $0.65 | $0.65 | programming header |
| 538-15-91-2080 | 1 | 2x4 PIN HEADER | $0.91 | $0.91 | ||
| 538-15-91-2040 | 1 | 2x2 PIN HEADER | $0.27 | $0.27 | ||
| 649-71600-008LF | 1 | 2x4 PIN RECEPTACLE | $0.60 | $0.60 | ||
| 649-71600-004LF | 1 | 2x2 PIN RECEPTACLE | $0.59 | $0.59 | ||
| TOTAL | $18.63 |