Quantity   Component name
1 × "Plain Metal Lunch Box" https://www.lunchbox.com/collections/plain-metal-lunch-boxes/products/plain-metal-lunchbox
1 × Seeed Studio XIAO Esp-32 S3 https://www.seeedstudio.com/XIAO-ESP32S3-p-5627.html
1 × Treedix Max3232 Breakout https://treedix.com/products/treedix-2pcs-mini-rs232-to-ttl-max3232-convert-adapter-board-transceiver-breakout-board-3v-5v
1 × Maikrt 58mm Thermal Printer Module https://www.amazon.com/Maikrt-Embedded-Thermal-Printing-Commands/dp/B07PX9NYR3/
1 × Useful Sensors Tiny Code Reader https://www.adafruit.com/product/5744
1 × Sparkole 12V Battery https://www.amazon.com/SPARKOLE-Rechargeable-Electronic-Portable-Interface/dp/B09GVD92JF
1 × 2.4Ghz Dipole Swivel Antenna https://www.adafruit.com/product/945
1 × WS2812D-F5 Addressable RGB LED
1 × Matek Micro BEC 6-30V to 5V/9V Adjustable Step-Down Regulator https://www.amazon.com/gp/product/B07MS1ND5M/
1 × Tridec Heavy-Duty SPST Switch https://www.amazon.com/gp/product/B07VJ4GQPW/?th=1