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Description
Module for easy connection of micro SD card to the motherboard. Powered by 5 V or 3.3 V. Layouthas a buffer to adjust the voltage levels, so it can be used with both 3.3 V and 5 V signals. Interface .communication interfaceThe communication interface is the SPI bus.
Theleads are popular goldpin connectors, which allow to connect the circuit to acontactboardormain module (e.g. Raspberry Pi, STM32DiscoveryorArduino) usingwires.The modulecan also be soldereddirectly to themain board.
Specification
- Power supply voltage: 3.3 V or 5 V
- Communication interface: SPI
- Built-in 3.3 V voltage regulator
- Three-state buffer to adjust voltage levels (74LVX125 system)
- Micro SD cardslot installed
- Solderable to the PCB
- Included is also a goldpin strip for self-assembly
- Module dimensions: 39 x 19 mm
Diagram
The board includes: SD card slot with ejector, voltage stabilizer,three-state buffer to adjust voltage levels andpassive elements necessary for proper operation of the system.
