This DC-DC module is using the step-down switching regulator LM2596S that provides a stables power supply output
These are handy for projects using individual LEDs as they look sleek
Its digital pins are not 5V tolerant
It is often used in portable and battery-powered builds
Ground Color Red Connection Mode Digital Interface Digital GPIO Category button switch Wiring & usage notes
DFRobot Metal DC Gear Motor 6V 214RPM 1kg-cm relay This DC-DC module is usingPractical DC Geared Motor for Maker, Student, and Prototype Builds The Metal DC Geared Motor 6V 214RPM 1Kg. cm is a practical dc geared motor from Circuitrocks for students, makers, and repair friendly builds. It fits well in projects that need general project use, while keeping setup straightforward for testing and prototype work. Compared with generic parts, this product stands out through details such as 6V, 214RPM, 1Kg. That makes it a solid