Accessories & Parts Waveshare photo switch sensor, speed measurement Wewoo Highlights Waveshare photo switch sensor, speed measurement Waveshare photo switch sensor, speed measurement Overview 1. Infrared detection, eliminating the interference from external stray light 2. Schmitt trigger, stable waveform and signals 3. Signal output indicator (while interrupting the beam, outputs low, the indicator lights up) Features Features 1. Power voltage: 3.3V~5V 2. Dimension: 26.8mm × 15mm × 18.7mm 3. Mounting holes size: 3mm 4. Width: 6mm Applications - Motor speed detection - Pulse counter How to use In the case of working with an MCU: - VCC? 3.3V ~ 5V - GND? GND - DOUT MCU.IO (digital output) Package weight: A package of weight0.014 kgQuantity per carton1000Carton weight10,000 kgCarton size60cm*40cm*40cm