Interface kit with 8 analog & digital inputs and 8 digital ouput On-board powered 6-port full-speed (12Mbit/s) USB hub Maximum current per USB port: 500mA RoHS compliant The Phidgets Interface Kit 8/8/8 w 6 Port USB Hub is the combination of Interface Kit 8/8/8 with an on-board powered 6-port full-speed (12Mbit/s) USB hub. Analog InputsThe Analog Inputs are used to measure continuous quantities, such as temperature, humidity, position, pressure, etc. A wide variety of sensors have been offered that can be plugged directly into the board using a cable. Sampling rates can be set at 1ms, 2ms, 4ms, 8ms and multiple of 8ms up to 1000ms. Digital InputsThe Digital Inputs have a Digital Input Hardware Filter to eliminate false triggering from electrical noise. They can be used to convey the state of devices such as push buttons, limit switches, relays, and logic levels. Digital OutputsThe Digital Outputs can be used to drive LEDs, solid state relays (such as the SSR Relay Board), transistors; in fact, anything that will accept a CMOS signal. USB HubConnecting additional USB devices to the this kit is as easy as plugging them into the on-board 6-port hub. Each USB port on the hub has a maximum current supply of 500mA.