Quantity   Component name
1 × LEGO MindStorms NXT robotics kit Tech specs below
1 × 32-bit Atmel AT91SAM7S256 256 KB flash memory, 64 KB RAM
1 × 8-bit Atmel ATmega48 @ 4 MHz 4 KB flash memory, 512 Bytes RAM
3 × Continuous-rotation servos Top speed ~170 RPM at 9V, ~135 RPM at 7.2V; internal rotary encoders with +/-1° accuracy
1 × LED-based photosensor Reads ambient and/or reflected light levels
1 × Analog touch sensor Pressure-sensitive button-style switch with an ~8mm travel distance
6 × Rechargeable AAs Ni-MH 1.2V cells, for a total of 7.2V
1 × (Optional) WiiMote camera I may or may not include the camera from a WiiMote at a later date.