Amp -SD Reader Module Highlights Generic Brand SD Reader Module Description: This SD bridge module leads the SD card pin for , STM32, MSP430 AVR PIC or 8051 and other single chip connection for the SD card to read and write. Support for 3.3v for C51 / STM32 / and other use SPI function and SDIO function, positive mark SDIO pin definition, the back of the SPI pin definition, very easy to use SD card module can make your SD application more simple and simpler. It is easily interfaced as a peripheral with your sensor shield module. Through programming, you can read and write to the SD card using your . Specification: Material: Plastic Color: As picture Size (LxWxH): Approx. 34x23x5mm/1.34x0.90x0.20inch Package includes: 4pcs SD Reader Modules Note: Pls allow 1-3mm error due to manual measurement difference.