Quantity   Component name
1 × GCDuino Similar to Uno
1 × HC-SR04 Ultrasonic range sensor - less than $2 on ebay
1 × LM2596 buck converter Convert 7-30volts in to 5volts for circuit - less than $2 on ebay
1 × 3W class D amplifier PAM8403 mini board Amplify the Dalek voice! - less than $2 on ebay
1 × Micro SD card adapter
1 × Micro SD card I used a 128Meg (yes its an old card I had lying around) for this project
2 × White USB bulbs Less than $5 on ebay
3 × Blue LEDs