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10Pcs Slot Type Optocoupler Speed Sensor Module, Photoelectric Counting and Position Detection Board with Comparator, Digital Output 3.3V–5V for arduino MCU Projects in Saudi Arabia 10Pcs Slot Type Optocoupler Speed Sensor Module, Photoelectric Counting and Position Detection Board with Comparator, Digital Output 3.3V–5V for arduino MCU Projects in Saudi Arabia 10Pcs Slot Type Optocoupler Speed Sensor Module, Photoelectric Counting and Position Detection Board with Comparator, Digital Output 3.3V–5V for arduino MCU Projects in Saudi Arabia 10Pcs Slot Type Optocoupler Speed Sensor Module, Photoelectric Counting and Position Detection Board with Comparator, Digital Output 3.3V–5V for arduino MCU Projects in Saudi Arabia 10Pcs Slot Type Optocoupler Speed Sensor Module, Photoelectric Counting and Position Detection Board with Comparator, Digital Output 3.3V–5V for arduino MCU Projects in Saudi Arabia

10Pcs Slot Type Optocoupler Speed Sensor Module, Photoelectric Counting and Position Detection Board with Comparator, Digital Output 3.3V–5V for arduino MCU Projects

SAR 47
Brand
EC Buying
Category
Sensors
– 1 +

Special Features

  • This sensor module uses a slot-type photoelectric optocoupler to detect object interruption within the slot gap. When an opaque object passes through the slot, the infrared light path is blocked, generating a corresponding electrical signal suitable for counting and position detection applications.
  • The onboard comparator circuit converts the optical signal into a clean digital output. This improves signal stability and allows direct connection to microcontroller input pins without additional signal conditioning components.
  • Supports a DC operating voltage range from 3.3V to 5V, making the module compatible with common development boards and embedded control platforms. The digital output can be easily read by GPIO pins for event detection.
  • Designed for rotational speed measurement, object counting, and position feedback when used with encoder disks or slotted wheels. The module enables non-contact sensing, reducing mechanical wear during operation.
  • Compact PCB layout with clearly labeled power and signal pins simplifies wiring and installation. The board format supports breadboard use, prototype testing, and integration into custom electronic control systems.

Description

Product Description This module is a slot-type photoelectric sensor designed for non-contact detection and counting applications. It uses an infrared emitting and receiving pair housed in a slotted structure. When an object passes through the slot and blocks the infrared beam, the output signal changes state. An onboard comparator circuit converts the optical signal into a digital high or low level output. The module operates on a DC voltage range of 3.3V to 5V and can be connected directly to microcontrollers. It is suitable for speed measurement, rotation counting, position detection, and encoder-based feedback systems in electronic development projects.  Technical Specifications Sensor Type: Slot-type photoelectric optocoupler sensor Detection Method: Infrared beam interruption Operating Voltage: DC 3.3V – 5V Output Type: Digital output (High / Low) Signal Conditioning: Onboard comparator circuit Detection Mode: Non-contact optical detection Interface Pins: VCC, GND, DO Response Type: Fast optical switching response Mounting Type: Through-hole pin header PCB Size: Approx. 32mm × 14mm Application Type: Counting, speed measurement, position detection

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