Quantity   Component name
1 × Raspberry Pi 2 Works with RPi 1B+ and probably with RPi Zero1.3 but not yet with RPi 3
1 × Raspberry Camera module (v1.3 has a better result, but v2.1 works fine too) https://www.amazon.com/Arducam-Megapixels-Sensor-OV5647-Raspberry/dp/B012V1HEP4/ref=sr_1_4?ie=UTF8&qid=1479801489&sr=8-4&keywords=raspberry+pi+cam
1 × Lipo 7,4V at least 2000 mAh https://www.stefansliposhop.de/Akkus/SLS-QUANTUM/SLS-QUANTUM-30C/SLS-Quantum-2200mAh-2S1P-7-4V-30C-60C::1658.html
1 × 4D Systems 4DPi-35 (or any other GPIO Display) http://www.4dsystems.com.au/product/4DPi_35/
1 × 57mm Thermal printer TTL (or from Adafruit costs more) https://www.aliexpress.com/item/58mm-micro-thermal-panel-printer-thermal-mini-printer-usb-mini-printer-mini-embedded-thermal-printer/32334172985.html?spm=2114.01010208.3.145.tWN21H&ws_ab_test=searchweb0_0,searchweb201602_5_10065_10068_10084_10083_10080_10082_10081_10060_10061_10062_10056_10055_10054_10059_10099_10078_10079_10073_10100_10096_10070_10052_423_10050_10051_424,searchweb201603_9&btsid=544b85b3-36f3-4339-81c1-49b364e8fbf3
1 × Lipo balanced charger, or Ni-MH AA charger https://www.amazon.com/Battery-Balance-Charger-Li-ion-Batteries/dp/B005EF15Q4/ref=sr_1_3?ie=UTF8&qid=1479801246&sr=8-3&keywords=lipo+charger
1 × UBEC 5v - 3A (Step Down) https://www.amazon.com/Ship-Hobbywing-Switch-mode-UBEC-Lowest/dp/B008ZNWOYY/ref=sr_1_3?rps=1&ie=UTF8&qid=1479801464&sr=8-3&keywords=ubec+5v+3a&refinements=p_85%3A2470955011%2Cp_76%3A2661625011
1 × On/Off switch 4 Pins (2 power circuits -> Printer & Raspberry) https://www.amazon.com/Uxcell-a15062200ux0651-Position-Toggle-Switch/dp/B015DLW0EE/ref=sr_1_10?ie=UTF8&qid=1479801681&sr=8-10&keywords=switch+4+pin+toggle+2+positions
1 × Trigger Button 2 Pins (momentary tact)
1 × USB to 5v or 3.3v TTL serial converter On a windows computer to enhance the printer's communication speed
20 × M3 12mm screws
1 × GPIO ribbon cable
20 × a hand full of GPIO cables