Quantity   Component name
1 × Logicscan YK-HS26 Wired USB Barcode Scanner 1D/ 2D / QR Codes Any barcode scanner with key press event firing input will do
1 × 7 inch HDMI LCD (B) for Raspberry Pi Any screen HDMI LCD for Raspberry Pi with touch support will be ideal
1 × Raspberry Pi 3B+
1 × 3A 5V Power Supply Micro-USB 3A is necessary to ensure the barcode scanner also recieves required power
1 × 32 GB SD Card Any SD Card with minimum of 16 GB will also do but higher storage capacity SD cards always last longer with the Pi