Let's Make Robots! | RobotShop

Project Robokut - BOMaterials


Project Robokut - (1) Design Overview

Project Robokut - (2) Sensor Selection

Project Robokut - (3) Mechanics & Electronics

Project Robokut - (4) Programming (Coming Soon)

Project Robokut - (5) BOMaterials


So what does the RoboKut prototype cost? Here’s a breakdown as well as links to the parts. The parts linked to here will likely not always be available, so feel free to modify the design, choose different components, customize it to your needs etc.

 

FRAME ($72.68)

4x

150mm, 20mm x 20mm Aluminum extrusion

$2.16ea

($8.64)

2x

100mm, 20mm x 20mm Aluminum extrusion

$1.44ea

($2.88)

14x

90 degree internal bracket (incl set screw)

$0.9ea

($12.6)

24x

M4 Nut for 20mm Aluminum Extrusions

$0.48ea

($11.52)

24x

4mm pan head screws

$0.1ea

($2.4)

14x

5mm pan head screws

$0.1ea

($1.4)

1x

Handle for 20mm Aluminum Extrusions

$3.24ea

($3.24)


Custom G10 / wood body panels

$30 total

($30)

PROPULSION ($81.62)

2x

Brushed DC geared motor

$14.61

($29.22)

2x

Motor wire

$1.95

($3.9)

2x

6mm set screw hub

$9.4

($18.8)

2x

8” FIRST wheel

$12

($24)

2x

Caster wheel

$2.85

($5.7)

CUTTING ($34.43)

1x

BLDC Motor (4mm rear shaft)

$19

($19)

1x

ESC / BLDC speed controller

$12

($12)

1x

4mm  hub

$3.38ea

($3.38)

4x

Zip Ties

$0.01ea

($0.04)


Custom Lexan disc

$0.1

($0.01)

SENSORS (~$28.95)

1x

Ultrasonic Sensor

$2.5

($2.5)

2x

5A Current sensor

$4.2

($8.4)

1x

Compass + 3-axis accelerometer

$7.95

($7.95)

1x

Resistors for voltage divider

$0.1

($0.1)

1x

Custom signal generator

~$5

($5)

1x

Custom signal receiver

~$5

($5)

ELECTRONICS ($24.92)

1x

Arduino shield compatible microcontroller

$11.99

($11.99)

1x

Motor controller shield

$9.98

($9.98)

1x

On/ Off switch

$0.95

($0.95)


Misc wires

$2.00

($2.00)

Total: $272.60 (without power, wire)

POWER ($50)

1x

11.1V LiPo Battery

$40

($40)

1x

LiPo battery charger

$10

($10)

WIRE (T.B.D.)


#22 Gauge weather resistant perimeter wire

$0.1 per foot



Pegs for perimeter wire

$0.05ea