ITEM NAME:Slot-type Optocoupler Module Speed Measuring Sensor for Arduino 3.3V- â„–[ Module Features: 1,use imported groove coupler sensor 2,the groove width of 5mm. 3,output status indicator, the lamp output high, output low lights. 4, obscured output high; unobstructed output low. 5, the comparator output, the signal is clean, the waveform, driving ability, more than 15mA. 6, operating voltage?3.3V-5V 7, the output in the form: Digital switching outputs (0 and 1) 8, a fixed bolt hole for easy installation 9, small plates PCB Dimensions: 3.2cm x 1.4cm 10, using a wide voltage LM393 comparator Package include: 1pc* Speed Measuring Sensor Module.3,output status indicator, the lamp output high, output low lights. Module Features 1,use imported groove coupler sensor. 5, the comparator output, the signal is clean, the waveform, driving ability, more than 15mA.
