Track-o-matic 🚌 📺⌚

Created on 05 Nov 2017

It's a bus tracker but retro

An indoor display that shows arrival times for upcoming buses. It uses a split-flap display for low power usage and a retro feel.

@ekusuma

Edric Kusuma

@tchiang

Tiffany Chiang

@szz

Stanley Zhang

@apnayak

Amukta Nayak

Part Cost Quantity Total
uxcell M4 Carbon Steel Grade 8 Hexagon Hex Nut Black 100pcs $7.78 1 $7.78
Nuts for M4 screws
Spray Paint for Arts & Crafts, Water Based PintyPlus Aqua - Assorted C $9.99 1 $9.99
Black spray paint for flaps background
Spray Paint for Arts & Crafts, Water Based PintyPlus Aqua - Assorted C $9.99 1 $9.99
Yellow spray paint for flaps text
SIM&NAT 12inch / 30cm 40 Pin Male to Female Dupont Wire, 40 Pin Male t $7.49 1 $7.49
Jumper wires for connecting motor controllers to Pi/power source
MakerBot PLA Filament, 1.75 mm Diameter, Small Spool, Black $18.00 1 $18.00
Black 3D print filament for rotors/stators
Steel Pan Head Machine Screw, Black Oxide Finish, Meets DIN 7985, #2 P $4.69 1 $4.69
M4 screws for mounting motors and mechanism
Grafix Medium Weight Chipboard Sheets, 12-Inch by 12-Inch, Natural, 25 $9.61 2 $19.22
Material for the flaps to be laser-cut
Amazon.com: Raspberry Pi 3 Model B Motherboard: Computers & Accessorie $34.50 1 $34.50
Raspberry Pi (wifi, controlling steppers)
Amazon.com : Elegoo 5 sets 28BYJ-48 ULN2003 5V Stepper Motor + ULN2003 $13.99 1 $13.99
Stepper Motors (for changing display)
Cosco 20" x 48" Resin Top Folding Table Black $33.99 1 $33.99
Table for visibility and support
Amazon.com : Clear Acrylic Plexiglass Sheet - 1/8" Thick Cast - 12" x $14.80 3 $44.40
Clear display case
Project Totals: 14 $204.04
Track 2 Base Budget: $250.00
Preferred Vendor Budget Bonus: $50.00
Remaining Budget: $95.96
Amukta Nayak 18 Jan 2018, 4:31 p.m. EST
5pm: Created prototype of device enclosure, began printing and assembling additional split flap modules, finished up painting/spray painting flaps
Tiffany Chiang 16 Jan 2018, 11:09 p.m. EST
10pm: Finished printing another module, spray painted one side of all chipboard flaps black (two coats).
Tiffany Chiang 16 Jan 2018, 8:59 p.m. EST
9pm: Finished cutting stencils and flaps, spray painting some test flaps.
Tiffany Chiang 16 Jan 2018, 8 p.m. EST
8pm: Making adjustments to shaft, re-printing stator and rotor pieces. Designing stencils for bus routes and time.
Tiffany Chiang 16 Jan 2018, 7:58 p.m. EST
6pm: Finished prototype of one split flap module, tested with stepper motor running.