The MikroElektronika Feather is Adafruit’s standardized open source development platform for IoT projects. The Adafruit Feather & FeatherWing system consist of base board (Feather) and expansion boards (Wings). They are connected to each other over standardized 28-pins connector (two rows of 16-pin and 12-pin connectors) and supports all interface needed for communication with any Click board.
Type Adapter, Shield Interface Analog, GPIO, I2C, PWM, SPI, UART