Quantity   Component name
1 × 10K Potentiometers ($2.19 for 10) http://www.aliexpress.com/item/10-PCS-High-Quality-WH148-B10K-Linear-Potentiometer-15mm-Shaft-With-Nuts-And-Washers-Hot/32227577107.html
1 × Breadboard $2.65 each http://www.aliexpress.com/item/New-Arrival-Hot-Sale-DIY-MB-102P-MB102-Breadboard-830-Point-Solderless-CB-Bread-Board-Test/32315978301.html
1 × Jumper Wires ($1.24 for 65) http://www.aliexpress.com/item/free-shipping-65pcs-Jump-Wire-Cable-Male-to-Male-Jumper-Wire-for-Arduino-Breadboard-Free-Shipping/1751281085.html
1 × OLED Display ($4.23 each) http://www.gearbest.com/lcd-led-display-module/pp_226043.html
1 × Arduino Nano clone ($11.170 for 5) http://www.aliexpress.com/item/Freeshipping-5PCS-Nano-3-0-controller-compatible-with-arduino-nano-CH340-USB-driver-NO-CABLE-NANO/659109175.html