Quantity   Component name
1 × IR Remote Control Robot Beetle Kit http://www.maplin.co.uk/p/ir-remote-control-robot-beetle-kit-a00jt plus 4 AA batteries for power
1 × Raspberry Pi
1 × Raspberry Pi Camera Module (I originally used a USB camera, but this should work better)
1 × Infrared LED
1 × BC548B transistor Used to switch 5v-powered LED on and off via Raspi's GPIO
1 × 10K resistor etweem transistor and GPIO pin
1 × 47ohm resistor Between LED and 5V pin
1 × 5V USB-power batterypack For powering the RasPi - the robot's 4
1 × Portable Speaker Mine is a Mini-X
1 × USB Wifi Dongle