SD Card Shield

These are SD card shield. It provides a storage space for your Arduino. Users can read/write SD card via Arduino’s built-in SD library. It supports SD, SDHC and Micro SD cards.

Here lists the comparison between various versions of SD Card Shield:

Parameter SD Card Shield V3.0 SD Card Shield V4.0
Operation voltage +2.7V~+3.6V +5V
Communication Protocol SPI SPI
SD Card Socket Two Socket(SD Card Socket and Micro SD Card Socket) a standard SD Socket(included adaptor enables using of Micro SD cards)
Standard Shield No Yes
Supported Card Type SD card(<=2G); Micro SD card(<=2G); SDHC card(<=16G) SD card(<=16G); Micro SD card(<=2G); SDHC card(<=16G)
Compatibility Do not compatible with Mega Compatible with Mega
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