Bán Mô đun cảm biến kiểm tra các thiết bị động cơ chuyên dụng chất lượng cao giá tốt nhất

Product characteristics: - use of imported groove type optical coupling sensors - groove width 5mm. - output state indicator lamp, output high level lamp, output low level lamp light. - with shielding, output high level; without cover, output low level. - the comparator output, clean signal, good waveform, strong driving power, over 15 ma. - working voltage 3.3v-5v - output form: digital switch volume output (0 and 1) - fixed bolt holes for easy installlation - small plate pcb size: 3.2 cm x 1.4 cm - wide voltage lm393 comparator Application area: Widely used for motor speed detection, pulse count, position limit, etc. Pin definition: Vcc power supply positive, gnd power supply negative, do digital output, ao invalid Description of the use of the module: - when there is no cover in the module slot, the receiving tube leads, the module do output low level, the block, do output high level; - module do can be connected to relay, limit switch, etc., or to active buzzer module, to form alarm.