Single-Direction Caster Wheel for DIY Small Cart btl The transmitter sends serial data

The transmitter sends serial data wirelessly through an external antenna

This stackable shield goes onto your Arduino and provides a slim rechargeable power pack

Then this module would help you in indicating those

it has transfer speed of up to 20MHz

creating animations

Single-Direction Caster Wheel for DIY Small Cart btl The transmitter sends serial dataPractical Wheel for Maker, Student, and Prototype Builds The Single Direction Caster Wheel for DIY Small Cart is a practical wheel from Circuitrocks for students, makers, and repair friendly builds. It fits well in projects that need robot wheel replacements, while keeping setup straightforward for testing and prototype work. Compared with generic parts, this product stands out through details such as wheel. That makes it a solid choice for Arduino,