Slot Type IR Optocoupler Speed Sensor Module Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module – KSH 200 at HIMASTORES Mombasa – best electronics in Kenya

Slot Type IR Optocoupler Speed Sensor Module Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module

SKU: HMJ728 Category: Sensors
KSH 200.00
Out of Stock

Product Description

Slot Type IR Optocoupler Speed Sensor Module for Arduino and MCU Projects

Optical Speed Measuring Module for Motor Speed, Pulse Counting, and Position Detection

This slot-type IR optocoupler speed sensor module is a compact and reliable optical detection module designed for accurate speed measurement, pulse counting, and position sensing. Based on the LM393 comparator and an infrared optocoupler, it provides a clean digital output for seamless integration with Arduino, AVR, PIC, and other microcontrollers [citation:1][citation:3][citation:10].

Accurate and Reliable Detection Uses an infrared LED and phototransistor for noncontact optical interruption detection [citation:2][citation:5].
Clean Digital Output Equipped with an LM393 comparator and Schmitt trigger for stable, noiseresistant TTL signal output [citation:1][citation:2][citation:3].
Operating voltage is 3.3V to 5V DC, compatible with both 3.3V and 5V logic systems [citation:1][citation:2][citation:10].
The output logic is active LOW: the output is LOW when the beam is unobstructed, and HIGH when the beam is interrupted [citation:2][citation:7][citation:10].
The module outputs a digital signal only (DO); the AO pin is typically non-functional [citation:1][citation:6][citation:7].

Technical Specifications

ParameterValue
Main ChipLM393 comparator [citation:1][citation:3][citation:10]
Operating Voltage3.3V to 5V DC [citation:1][citation:2][citation:10]
Output SignalTTL Digital (HIGH/LOW) [citation:1][citation:2][citation:10]
Slot Width5mm to 10mm (typical 5mm) [citation:1][citation:6][citation:10]
PCB Size~31mm x 14mm (varies by version) [citation:1][citation:11]
MountingM3 screw mounting holes [citation:1][citation:2][citation:10]

= Key Features =

+LM393 Comparator ensures stable, clean signal with high drive capability (>15mA) [citation:3][citation:6][citation:11].

+Infrared SlotType Optocoupler offers robust antiinterference performance [citation:3][citation:10].

+Onboard Status LED visually indicates output logic state [citation:7][citation:10].

+DO output interface allows direct connection to MCU I/O ports for sensor block detection and motor speed monitoring [citation:1][citation:11].

+M3 bolt holes enable simple and secure mounting on any chassis [citation:1][citation:2][citation:10].

+Power indicator LED shows module status.

= Applications =

  1. Motor speed detection using an encoder disc [citation:1][citation:2][citation:3].
  2. Pulse counting and rotation measurement [citation:4][citation:10].
  3. Position limit sensing and object detection [citation:3][citation:7][citation:11].
  4. Relay and buzzer triggering as part of an alarm or limit switch system [citation:1][citation:3][citation:11].
  5. Robotics, automation, and industrial control projects [citation:3][citation:10].
Reliable and Easy to Use - Digital output simplifies integration with any microcontroller.
Versatile Applications - Suitable for speed measurement, RPM detection, object counting, and more [citation:4][citation:10][citation:11].

√ Compatible with Arduino, Raspberry Pi, ESP32, STM32, 51 Series, AVR, and PIC microcontrollers [citation:4][citation:11].

√ Wide voltage range for flexible operation [citation:1][citation:2].

√ M3 mounting holes for secure installation [citation:1][citation:2].

√ Includes power and output LEDs for immediate status feedback [citation:7][citation:10].

Troubleshooting

No output signal:

  • Verify VCC and GND connections.
  • Ensure the module is powered within 3.3V to 5V.
  • Check the DO pin connection to the microcontroller input.

Inconsistent or unreliable readings:

  • Ensure the encoder disc or object passes cleanly through the slot.
  • Verify the slot and optocoupler are free from dust or debris.
  • If using a long cable, ensure it is shielded to avoid interference [citation:12].