Slot-type Optocoupler Module Speed Measuring Sensor 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 https://elecena.pl/product/16411807/optocoupler-module-speed-measuring-sensor 2020-04-09 https://elecena.pl/product/16411807/optocoupler-module-speed-measuring-sensor 2020-09-01 https://elecena.pl/product/16411807/optocoupler-module-speed-measuring-sensor 2021-03-02 https://elecena.pl/product/16411807/optocoupler-module-speed-measuring-sensor 2025-07-09