. | Part | Cost | Quantity | Total |
. | Roller Limit Switch | $1.35 | 4 | $5.40 |
. | Ball Bearing Servos | $6.15 | 2 | $12.30 |
. | Micro Servos | $3.97 | 1 | $3.97 |
. | Nerf Ball Motors | $3.00 | 2 | $6.00 |
. | Shaft Couplers | $3.75 | 2 | $7.50 |
. | 32P 28T Servo Gear | $4.68 | 1 | $4.68 |
. | 32P 44T Hub Gear | $4.96 | 1 | $4.96 |
. | 1/4" bore set screw hub | $4.99 | 2 | $9.98 |
. | 1/4x12" D-shaft | $4.69 | 0.5 | $2.35 |
. | 1/4" shaft collar | $1.32 | 1 | $1.32 |
. | 1/4" flanged ball bearing | $1.69 | 5 | $8.45 |
. | Clamping Motor Mount | $6.99 | 2 | $13.98 |
. | 4-40 ball linkage | $0.98 | 2 | $1.96 |
. | 4-40x12" threaded rod | $1.95 | 0.5 | $0.98 |
. | 7.2V NiCad Batteries | $8.50 | 2 | $17.00 |
. | NiCad Battery Connector | $1.80 | 2 | $3.60 |
. | Twisted Wire | $0.10 | 12 | $1.20 |
. | 1/4" Washers | $0.05 | 12 | $0.60 |
. | LMD182 H-Bridges | $5.50 | 2 | $11.00 |
. | Terminal Block | $1.95 | 3 | $5.85 |
. | Terminal Jumper | $0.29 | 9 | $2.61 |
. | 9/32" ID Washer | $0.19 | 10 | $1.90 |
. | 3.5" standoff, 6-32 | $0.63 | 6 | $3.78 |
. | 3" standoff, 6-32 | $0.60 | 8 | $4.80 |
. | 4" standoff, 6-32 | $0.66 | 7 | $4.62 |
. | 6-32x1/2" SHCS | $0.04 | 48 | $1.85 |
. | DPDT Switch | $1.05 | 1 | $1.05 |
. | 4-40 1/2" Screws | $0.02 | 4 | $0.08 |
. | 4-40 3/8" Screws | $0.02 | 10 | $0.20 |
. | 4-40 Standoff 1/4" | $0.17 | 16 | $2.72 |
. | #6 washers | $0.02 | 4 | $0.08 |
. | 14 pin DIP sockets | $0.40 | 6 | $2.40 |
. | 20 pin DIP socket | $0.50 | 1 | $0.50 |
. | 24 pin DIP socket | $0.60 | 1 | $0.60 |
. | LM29315V Low Dropout Regulator | $1.25 | 3 | $3.75 |
. | LM2940 5V Low Dropout Regulator | $0.75 | 2 | $1.50 |
. | 2N7000 N-Ch MOSFET | $0.10 | 5 | $0.50 |
. | IRLZ34 N-Ch MOSFET | $0.80 | 2 | $1.60 |
. | 100uF elec caps | $0.10 | 4 | $0.40 |
. | 0.1uF ceramic caps | $0.10 | 8 | $0.80 |
. | LTR-3208 | $0.50 | 1 | $0.50 |
. | LTE-5208A | $0.50 | 1 | $0.50 |
. | MOLEX Crimps | $0.05 | 80 | $4.00 |
. | Various Resistors (See Schematic for Breakdown) | $0.01 | 62 | $0.62 |
. | MOLEX Female | $0.05 | 40 | $2.00 |
. | MOLEX Male | $0.05 | 40 | $2.00 |
. | 320 Grit Sandpaper | $0.12 | 1 | $0.12 |
. | 1/4" Duron | $0.01 | 519 | $3.58 |
. | 1/8" Duron | $0.01 | 130 | $0.68 |
. | Skate Bearings | $0.75 | 5 | $3.75 |
. | Quarter Size Adafruit PermaProto | $2.95 | 1 | $2.95 |
. | Half Size Adafruit PermaProto | $4.17 | 3 | $12.50 |
. | Full Size Adafruit PermaProto | $6.65 | 1 | $6.65 |
. | ProtoBoard | $0.50 | 2 | $1.00 |
. | ||||
. | TOTAL | $199.65 |