Waveshare Round 2D Barcode/QR code Reader Scanner Module, With LED Indicator


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SKU: 1738089
  1. Resolution: 640 × 480
  2. Power Supply: 3.3V
  3. Current: 120mA
  4. Operating Temperature: -30 ~ +70°C


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Category: Biometric/ECG/EMG Sensor

This is Waveshare Round 2D Barcode/QR code Reader Scanner Module, With LED Indicator.

The Barcode Scanner Module (D) is a round 2D barcode scanner module with an LED indicator, highly integrated and compact size, suitable for elevator and other code scanning applications. Adopts advanced image recognition algorithms, easy to decode various 1D or 2D codes. Onboard UART interface, can be easily integrated into kinds of embedded devices.

Pin Description:

Waveshare Pin Description


LED Indicator:

Waveshare Scanning Status


  1. Efficient barcode/QR code reader
  2. Compact and small-sized
  3. LED indicator for status feedback
  4. Seamless integration into various applications
  5. High-speed and accurate code scanning
  6. Ideal for retail, inventory management, and access control systems
  7. Simplifies operations with barcode and QR code technology.

Useful Links:

Wikipage: https://www.waveshare.com/wiki/Barcode_Scanner_Module_(D)


Package Includes:

1 x Barcode Scanner Module (D)

1 x 6PIN squid cable without header

1 x 6PIN squid cable x1

SKU: 1738089 Category:

640 × 480

Working Humidity Range

5%RH to 95%RH (non-condensing)



Power Supply(V)


LED Indicator

Blue: scanning, Green: decoded successfully

Communication Interface

UART port (9600 8N1 by default)


1D code ≥5mil, 2D code ≥10mil

Scan mode

Sensing, Continuous

Scan Angles

horizontal 70°, vertical 55°, roll 360°

Operating Temperature (°C)

-30 to +70°C

Storage Temperature

-40 to +80°C

3 Months Warranty

This item is covered with a standard supplier warranty of 3 months from the time of delivery against manufacturing defects only. This is a quality product & only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China