Quantity   Component name
1 × IOT Cricket WiFi module https://thingsonedge.com
1 × Raspberry Pi Pico https://www.raspberrypi.org/products/raspberry-pi-pico/
1 × Hook Clips / Crocodile Clips cables https://www.amazon.co.uk/Youmile-Silicone-Double-ended-Alligator-Cables/dp/B0817JMBD6
1 × 2x AAA battery holder https://thepihut.com/products/2-x-aaa-battery-holder-with-on-off-switch-jst-ph-connector
1 × 2xAAA batteries