The transmissive optical sensor used here consists of an infrared light emitting ... monitors output of the motor speed sensor module. Recommended working voltage of the module is 4.5 to 5.5 volt dc.

Offered by Autodesk, Tinkercad is a free online platform you can use to build and test out your Arduino circuits ... ultrasonic sensor, keypad), output (e.g., LED, DC motor, LCD), power (e.g ...