1 × Pololu G2 High-Power Motor Driver 18v25 - Compact H-Bridge
Most boards include I²C pull-ups—avoid stacking multiple heavy pull-ups
It supports GSM/GPRS Quad-Band(850、9001800/1900) network
The Ultrasonic Ranging Waterproof Integrated Module JSN B02 V2
The Buzzer Module for Arduino is a 5V active buzzer breakout that beeps on a HIGH signal
CCTREE PLA 3D Printing Filament 1.75mm PURPLE disposable 1 × Pololu G2 High-PowerCCTREE PLA in Purple, 1. 75mm on a 1kg spool. Standard PLA is the easiest filament to print with: low warp, good first layer grip, no heated bed or enclosure needed. Runs on any FDM printer (Ender, CR series, Prusa, Anycubic and the rest) through a standard 0. 4mm nozzle. Good for figurines, prototypes, desk parts, and school projects. Specs Brand CCTREE Material PLA (Polylactic Acid) Color Purple Diameter 1. 75mm (0. 02mm) Spool weight 1kg net Nozzle