M5Stack ATOM TF-Card Reader Development Kit up to 16GB _MAKE_SENSOR_FINGER allowing the board to operate

allowing the board to operate even with just a 3

featuring eight channels split between high current (12A/24V) and high voltage (4A/240V) capabilities

but any will work)

The native USB port can turn it into a MIDI USB device if you like - currently that's only supported in Arduino

M5Stack ATOM TF-Card Reader Development Kit up to 16GB _MAKE_SENSOR_FINGER allowing the board to operateThe ATOM TF CARD is an Atomic based TF card (microSD) module. It has a self elastic TF card slot, which can support up to 16GB capacity TF cards. You can save important configuration files and user data in the program to TF card, or use these files at any time during the program operation. Features Compatible with ATOM Matrix ATOM Lite Up to 16G TF card FAT FAT32 format Self elastic TF card (microSD) slot Package Contents 1x ATOM TF CARD 1x ATOM Lite