M5Stick S3 SD Card Expansion Case
Print Profile(1)

Description
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:
- Backpack Case → https://makerworld.com/en/models/2905806
- Simple Case → https://makerworld.com/en/models/2826069
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+
License
You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.




















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