Pololu Zumo Reflectance Sensor Array - Mini Sumo digital multimeter and square wave outputs

and square wave outputs

5KHz Module Size 60mm * 43mm / 2

When you need to amplify

Just two simple words can fit in your code so you can control things by checking the state of toggle button on your smartphone

The Solenoid Lock Round Tongue Mini Electric LY-01 DC12V is a practical solenoid from Circuitrocks for students

Pololu Zumo Reflectance Sensor Array - Mini Sumo digital multimeter and square wave outputsMeasure Light and Optical Changes with a Compact Sensor The Zumo Reflectance Sensor Array is an optical interrupter sensor with digital output designed for light logging, optical switching, line tracking, and brightness aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Interface: Digital GPIO. Why youll love it Key feature: Make the I O line connected to that