This is a stackable board for Raspberry Pi, which has 10 GPIOs, 1 IIC Interface, and 1 UART Interface. The Crowtail modules can be plugged onto Raspberry Pi through this base shield.
Crowtail compatible interface
Size(length x width x height): 2.5 x 1 x 0.7inch
Product weight: 13g
Crowtail - Stackable Shield for Raspberry Pi 2.0 x1
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