The RF Remote Control Module 2 Channel DC 5V is a practical wireless / control module from Circuitrocks for students
Diameter 50 mm (2") Power 1W Impedance 8Ω
You can also compare it with Pololu G2 High-Power Motor Driver 18v17 - Compact H-Bridge
75mm – Fluorescent Yellow Material ABS (Acrylonitrile Butadiene Styrene) Diameter 1
2Kbaud (pin-selectable) TTL spit out of the TX pin
Rubber Off-Road Wheel 55mm - Knobby All-Terrain transparent green The RF Remote Control ModulePractical Wheel for Maker, Student, and Prototype Builds The Rubber Off Road Wheel 55mm 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 55mm. That makes it a solid choice for Arduino, ESP32, Raspberry Pi,