This project could be replicated with a $250 budget, as our team was resourceful in its use of materials to create an effective robot at a low cost.
Budget
| Material Used | Estimated Cost | Amount Taken out of Budget | |
|---|---|---|---|
| Borrowed | Adafruit Motorshield | $19.95 | $0.00 |
| Arduino Uno | $23.00 | $0.00 | |
| Roll of Duct Tape | $8.58 | $0.00 | |
| 4V Rechargeable Batteries (3x) | $7.47 | $0.00 | |
| Bought | Battery Pack | $9.99 | $9.99 |
| Battery Charger | $15.99 | $15.99 | |
| Omni Wheels (x3) | $25.98 | $25.98 | |
| Motors (x3) | $79.53 | $79.53 | |
| Hamster Ball | $30.00 | $30.00 | |
| HC-05 Bluetooth Module | $8.91 | $8.91 | |
| Total | $229.40 | $170.40 |
Fabrication Details
None of the fabrication costs below were taken out of the budget. We used material that was already available to us.
| Part Fabricated | Fabrication Time (Hours) | Stock Type | Stock Amount | Stock Amount (sq. in.) | Stock Price (per sq. in.) | Stock Cost | |
|---|---|---|---|---|---|---|---|
| Motor Mounts (x6) | 2 | 1/32" Aluminum | 8"x11" | 88 | $0.04137 | $3.64 | |
| Wheel Mounts (x3) | 3 | 1/2" Diam. Nylon | 4.5" | 4.5 | $0.16300 | $0.73 | |
| Arduino Platform | 2 | 1/32" Aluminum | 8"x5.5" | 44 | $0.04137 | $1.82 | |
| Epoxy | 1 | Clear, 2 Part Epoxy | 50 mL | N/A | N/A | $9.94 | |
| Pipe Cleaners | N/A | N/A | 1 Pack | N/A | N/A | $5.00 | |
| Robot Chassis | .5 | 1/4" MDF | 9"x9" | 81 | $0.01040 | $0.84 | |
| Total | 8.5 | $21.97 |