SKU: SENS-3251
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Digilent Pmod LS1 Infrared Light Detector Module - 6-Pin GPIO Interface

₹1,219.00 (Inclusive of all taxes)
Out of Stock

The Digilent Pmod LS1 is an infrared light detector module designed for proximity sensing and ambient IR light measurement. It interfaces via a standard 6-pin Pmod GPIO connector, making it compatible with Digilent FPGA/SoC boards, Arduino, Raspberry Pi, and other microcontroller platforms.

Features

  • Infrared (IR) light detector module for proximity and ambient light sensing
  • Standard 6-pin Pmod Type 1 GPIO interface for easy system integration
  • On-board sensitivity adjustment for optimized detection range
  • Compact PCB footprint: 3.6 cm x 2.0 cm (1.4″ x 0.8″)
  • Compatible with Digilent IR Proximity Sensor for reflective/transmissive detection

Out of stock

Description

The Pmod LS1 utilizes infrared photo detectors to sense ambient IR light levels, enabling applications in proximity detection, object counting, and light intensity measurement. Its analog output provides a variable voltage proportional to the detected IR intensity, which can be read by a microcontroller’s ADC pin.

The module adheres to Digilent’s Pmod Interface Specification Type 1, ensuring reliable communication and mechanical compatibility with a wide range of host boards. The on-board potentiometer allows fine-tuning of the sensor’s sensitivity to adapt to different environmental lighting conditions and detection thresholds.

Key Features

  • Infrared Light Detection: Sensitive to ambient and reflected infrared light for proximity and presence sensing.
  • Adjustable Sensitivity: On-board potentiometer allows precise calibration of the detection threshold.
  • Pmod Standard Interface: 6-pin GPIO connector (Type 1) ensures plug-and-play compatibility with Digilent and third-party host boards.
  • Compact Form Factor: Small 3.6 cm x 2.0 cm PCB enables integration into space-constrained designs.
  • Versatile Input: Can interface with up to four external reflective or transmissive photo detectors for expanded sensing arrays.
  • High-Value Build: Optimized for reliable performance in educational, prototyping, and light industrial applications.

Applications

  • Proximity detection and object counting in automated assembly lines.
  • Ambient IR light level monitoring for smart lighting control systems.
  • Reflective sensing for robotics obstacle avoidance and line following.
  • Educational labs for teaching principles of optoelectronics and sensor interfacing.
  • Integration with Digilent IR Proximity Sensor for enhanced transmissive or reflective detection setups.

Technical Specifications

Model Number / NamePmod LS1 (Infrared Light Detector)
Sensor TypeInfrared (IR) Light Detector
Interface6-pin Pmod (Type 1, GPIO)
PCB Dimensions (L x W)3.6 cm x 2.0 cm (1.4" x 0.8")
Output SignalAnalog Voltage (proportional to IR intensity)
Key FeatureOn-board Sensitivity Adjustment Potentiometer
CompatibilityDigilent Pmod Host Boards, Arduino, Raspberry Pi, MCUs with GPIO
Shipping Weight0.004 kg
Shipping Dimensions10 cm x 8 cm x 2 cm

Frequently Asked Questions

What is the output signal of the Pmod LS1 module?

The Pmod LS1 provides an analog voltage output. This voltage varies proportionally with the intensity of the detected infrared light. You can connect this output directly to an analog-to-digital converter (ADC) pin on your microcontroller, such as an Arduino or Raspberry Pi, to read the sensor value.

How do I adjust the sensor's sensitivity?

Sensitivity is adjusted using the on-board potentiometer. Turning the potentiometer changes the detection threshold. For optimal performance, calibrate it under your specific operating conditions: adjust until the module reliably detects the desired IR source or reflects the required proximity change.

Is this module compatible with non-Digilent development boards like Arduino?

Yes. While designed for Digilent's Pmod ecosystem, the module uses a standard 6-pin GPIO interface. You can connect it to any microcontroller with general-purpose I/O pins by matching the pinout (power, ground, and signal lines). A simple Jumper wire connection is typically all that's required for integration.

Package Includes

  • 1 x Digilent Pmod LS1 Infrared Light Detector Module

Additional Information

Weight 0.004 kg
Dimensions 3.6 × 2 cm