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M5Stick S3 SD Card Expansion Case

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M5Stick S3 SD-Card Case
M5Stick S3 SD-Card Case
Designer
33 min
1 plate

Open in Bambu Studio
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Description

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A minimalist extension case for the M5Stick S3 with space for a self-soldered Micro-SD extension

The design goal was a compact and practical case for daily use that protects the M5Stick while also allowing for additional storage via an external SD card

 

Other versions:

The case also features an integrated eyelet for:

  • Carabiner clip
  • Keychain
  • Loop / Lanyard

Required parts

  • Perforated prototyping board 60×40 mm
  • Angled pin header 2×40 pin, RM 2.54
  • Compact Micro SD Card Reader Module with SPI interface
  • Thin wires / Dupont cables
  • Solder
  • Soldering station or soldering iron

Pinout

  • #define SD_CS_PIN          8   // G8
  • #define SD_MOSI_PIN     1   // G1
  • #define SD_CLK_PIN        0   // G0
  • #define SD_MISO_PIN     4   // G4

Notes

  • The GPIOs used can be adjusted if necessary
  • The SD module should be 3.3V compatible
  • Depending on the reader module used, the overall height may vary slightly

Print Settings

  • Layer height: 0.2 mm
  • Infill: 15–20 %
  • Support: Tree support
  • Material: Sunlu PLA+

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License

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