Quantity   Component name
1 × Mini Thermal Receipt Printer Starter Pack https://www.adafruit.com/products/600
1 × Tiny OTG Adapter - USB Micro to USB https://www.adafruit.com/products/2910
1 × Raspberry Pi Zero https://www.adafruit.com/products/2885
1 × Panel Mount 2.1mm DC barrel jack https://www.adafruit.com/products/610
1 × Mini USB WiFi Module - RTL8188eu - 802.11b/g/n https://www.adafruit.com/products/2810