{"id":8115084820660,"title":"LM393 Speed Sensor Module IR Optocoupler 3.3V-5V Arduino Pack of 10 | Suitable for engine speed measurement, robots and electronic projects","handle":"lm393-speed-sensor-module-ir-optocoupler-3-3v-5v-arduino-pack-of-10-suitable-for-engine-speed-measurement-robots-and-electronic-projects","description":"\u003ch3\u003eLM393 Speed Sensor Module IR Optocoupler 3.3V-5V Arduino Pack of 10 | Suitable for engine speed measurement, robots and electronic projects\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eLM393 chip speed sensor module, the use of the imported groove coupler sensor,\nworking voltage: DC 3.3.5V, the comparator output signal clean, good waveform,\ndriving ability, than 15mA\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eLM393 chip speed sensor module, the use of the imported groove coupler sensor, working voltage: DC 3.3.5V, the comparator output signal clean, good waveform, driving ability, than 15mA\u003c\/li\u003e\n \u003cli\u003eThere is an output status indicator where the output high level light is turned off and the output low level light is on.\u003c\/li\u003e\n \u003cli\u003eVCC is connected to the positive pole of the power supply, GND is connected to the negative pole of the power supply, DO TTL switching signal output, AO This module does not work\u003c\/li\u003e\n \u003cli\u003eEquipped with fixed screw holes for easy installation\u003c\/li\u003e\n \u003cli\u003eThis module is widely used in engine speed detection, pulse counting, position limit, etc\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-02T12:23:23+10:00","created_at":"2026-09-01T21:57:49+10:00","vendor":"GERUI","type":"Optical 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Speed Sensor Module IR Optocoupler 3.3V-5V Arduino Pack of 10 | Suitable for engine speed measurement, robots and electronic projects\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eLM393 chip speed sensor module, the use of the imported groove coupler sensor,\nworking voltage: DC 3.3.5V, the comparator output signal clean, good waveform,\ndriving ability, than 15mA\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eLM393 chip speed sensor module, the use of the imported groove coupler sensor, working voltage: DC 3.3.5V, the comparator output signal clean, good waveform, driving ability, than 15mA\u003c\/li\u003e\n \u003cli\u003eThere is an output status indicator where the output high level light is turned off and the output low level light is on.\u003c\/li\u003e\n \u003cli\u003eVCC is connected to the positive pole of the power supply, GND is connected to the negative pole of the power supply, DO TTL switching signal output, AO This module does not work\u003c\/li\u003e\n \u003cli\u003eEquipped with fixed screw holes for easy installation\u003c\/li\u003e\n \u003cli\u003eThis module is widely used in engine speed detection, pulse counting, position limit, etc\u003c\/li\u003e\n \u003c\/ul\u003e"}