Quantity   Component name
1 × Adafruit Feather M0 Adalogger https://www.adafruit.com/product/2796
1 × DC Motor + Stepper FeatherWing Add-on https://www.adafruit.com/product/2927
1 × Small Reduction Stepper Motor - 5VDC 32-Step 1/16 Gearing https://www.adafruit.com/product/858
1 × BNC Bulkhead Jack - this one is very nice http://www.l-com.com/coaxial-50-ohm-bnc-bulkhead-jack-isolated-from-ground-3-8-d-hole
1 × Adafruit SHARP Memory Display Breakout - 1.3" 168x144 Monochrome https://www.adafruit.com/product/3502
1 × Right angle break away headers (sold in 36 pin strips, 12 pins needed per FED) https://www.adafruit.com/product/1540
1 × Low profile Feather Headers (1 set per FED) https://www.adafruit.com/product/2940
1 × Lithium Ion Battery Pack - 3.7V 6600mAh https://www.adafruit.com/product/353
1 × Photo Interrupter - GP1A57HRJ00F https://www.sparkfun.com/products/9299
1 × SparkFun Photo Interrupter Breakout Board - GP1A57HRJ00F https://www.sparkfun.com/products/9322
1 × Resistor 1K Ohm 1/4th Watt https://www.sparkfun.com/products/13760
1 × Jumper Wire - 0.1", 6-pin, 6" https://www.sparkfun.com/products/10371
2 × #2 by 1/4" sheet metal screw https://www.mcmaster.com/#90190a075/=1btbwh4
2 × #4 x 1/4" sheet metal screw
1 × MicroSD card Any size is fine really... 1GB is more than enough space
1 × 3 pin screw terminal https://www.pololu.com/product/2441
1 × JST Jumper 3 Wire Assembly https://www.sparkfun.com/products/9915