Quantity   Component name
1 × ILI9340C or ILI9341 320x240 PSI TFT LCD display
1 × Raspberry PI zero
46 × OMRON B3F 1000 tactile switches 23 per board, very low force
1 × 3D printer access
1 × 1A 5V boost / step up converter the long blue one on eBay
1 × USB LiPo charger with protection circuit has 3 ICs on it - MOSFET, battery check IC and charging IC