Quantity   Component name
1 × Basic knowledge about linux, wiring/soldering The printer must be tuned. Files must be put and perhaps edited under RPi linux
1 × Raspberry Pi 2 Works with RPi 1B+ and probably with RPi Zero1.3 but not yet with RPi 3
1 × Raspberry Camera module
1 × Adafruit PiTFT screen (optional) http://www.adafruit.com/product/1601
1 × 57mm Thermal printer http://www.adafruit.com/products/597
1 × 7.4v Lipo Battery, or 6x Ni-MH AA battery http://www.hobbyking.com/hobbyking/store/__44096__Turnigy_3600mAh_2S_12C_Lipo_Receiver_Pack_EU_Warehouse_.html
1 × Lipo balanced charger, or Ni-MH AA charger http://www.hobbyking.com/hobbyking/store/__7637__Turnigy_12v_2_3S_Basic_Balance_Charger.html
1 × 5v - 3A power convertor http://www.seeedstudio.com/depot/Adjustable-DCDC-Power-Converter-125V-35V3A-p-1534.html?cPath=1_4
1 × Switch and Button
1 × USB to 5v or 3.3v TTL serial converter On a windows computer to enhance the printer's communication speed
1 × A case A better one