ATMEGA32U4 Virtual Keyboard Development Board for Arduino Module

brand new and high quality

Features:
Made of high quality material, solid, durable and good performance.
, USB, virtual keyboard, TF memory
Initialization, SD, card ... initialization, failure, thing, to, check:
Yes, a, card, plugin
Is, a, card, inserted?
Is, your, wiring, correct?
Did you change the chipSelect pin to match your shield or module?
Initializing, SD, card... Wiring, is, correct, and, a, card, is, present.
Card Type: SDHC
The volume type is FAT32
Volume size (bytes): 3519021056
Volume Size (KB): 3436544
Volume size (Mbytes): 3356
File, find, on, the, card (name, date and size, in, bytes)

Specification:
Material: Circuit Board
Size: 3.9 x 2.1cm/1.54 x 0.83in
Color: Black
Quantity: 1 Pc

Note:
No retail package.
Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
1 x Virtual Keyboard Module
1 x Pin Header