Quantity   Component name
4 × QTR-1RC Reflectance Sensor
1 × Parallax Emic 2 Text-to-Speech Module
1 × 3.5mm angle/straight jack cable (AUX, 1.5 m)
1 × Insulated braided copper wire (3m)
1 × USB 2.0 cable (EASY male A > male mini-B, 0,5m)
1 × USB 3.0 cable (male A > female A, 1,8m)
1 × Metal film resistor (20 Ohm, axial, 2W, 5%)
3 × Metal film resistor (220 Ohm)
1 × NPN TO-92 transistor (40V, 0.6A, 0.625W)
1 × 8 Ohms 2 Watt speaker, 36mm
1 × USB 3.0 Type A Connector "G46"
1 × 3,5mm Audio Jack Socket
1 × LED (generic)
1 × Arduino Nano R3