Explore simple explanations of the sensors, motors, mechanisms, and science ideas.
The TCS230/TCS3200 is a popular, inexpensive color sensor capable of detecting a wide range of visible colors.
Learn how a sensor measures distance by sending a sound pulse, listening for the echo, and calculating how far away an object is.
See how a servo motor moves to a controlled angle using gears, feedback, and a signal from a microcontroller.
Understand how a stepper motor moves in small steps, why it is useful for precise motion, and how drivers control its coils.