Arduino V4.0 Sensor extension shield

Operating Voltage: 5V.
DC Input Voltage (recommended): 7-12V.
DC Input Voltage (limits): 6-20VDC.
Buckled Analog Port: Handy, solid connection to 6 Analog inputs with VCC / GND Digital IO port.
13 ports prepared to digital modules or servos Analog IO Port.
2.54 grid male pin header connections Buckled Communication Port.
Selectable between I2C and UART.