MicroSD card reader module - Waveshare 3947

Index: WSR-05631 EAN: 5904422333867

The reader module of the memory micro SD card with goldpin connectors - 2.54 mm pitch for self-soldering. It communicates with main board via SPI interface. It works with a voltage of 3.3 V.

MicroSD card reader module - Waveshare 3947
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Manufacturer: Waveshare
Compatibility: Arduino


The reader module of the memory micro SD card with goldpin connectors - 2.54 mm pitch for self-soldering. It communicates with main board via SPI or SDIO interface. It works with a voltage of 3.3 V.


Sensor maintenance

The SD cards communicate using the SPI bus. Most of the microcontrollers, including those used inArduinoAVRy, have hardware control over this interface.

The product is compatible with STM32

The manufacturer has prepared a user guide along witha sample program for the STM32.



  • Supply voltage: 3.3 V

  • Interface: SPI
  • Pins' pitch: 2.54 mm
  • Module dimensions: 30 x 23 mm




Test 3
Package width 7 cm
Package height 0.3 cm
Package depth 8.5 cm
Package weight 0.004 kg

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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