CNA1015 Photo Interrupt Module
A photo interrupter sensor that consists of a light-emitting element (IR LED) and a light-receiving element (phototransistor) aligned facing each other. It works by detecting light interruption when a target object comes between both elements, acting as an optical switch. This changes the output of the sensor.
Features
- Wide voltage LM393 comparator.
- Operating voltage: 3.3V ~ 5V.
- Active low output i.e an interruption produces a low output (LED is activated).
- Maximum output sink current: 10mA.
- 5mm slot width.
- Two (Ø 3.5mm) mounting holes for easy installation.
- Dimensions: 26mm X 21mm X 6mm.
Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 3.3V – 5V |
| Output Type | Active-Low |
| Max Output Sink Current | 10mA |
| Slot Width | 5mm |
| Position Detection Accuracy | ≈ 0.3mm |
| Mounting Holes | Two, Ø 3.5mm |
| Dimensions | 26mm × 21mm × 6mm |
| Optical Elements | GaAs IR LED & Phototransistor |
Applications
- Object or shaft passage detection in robotics and automation.
- Counting, stopping, or alignment sensors in conveyor and machine systems.
- Contactless optical switches in DIY and embedded electronics.
- Prototyping and educational electro-optical sensor learning modules.
Package Contents
- 1× CNA1015 Photo Interrupt Module.
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