Each board comes equipped with two 1x3 headers to plug in your EZO circuit, a BNC adapter to attach your desired sensor probe, a USB mini B connector to hook a cable to your computer, and three pins to connect a Flow Connector Board (R, W, B). The EZO Carrier Board requires 5V at 31mA to operate.
This product includes all the parts shown and comes in kit form and must be soldered together by the end user.
The Tessel 2 is equipped with a slew of on-board features including two 10-pin module ports to add sensors and other external hardware, two USB ports for camera peripherals and flash storage, a 10/100 supported ethernet port, and a microUSB connector for power and tethered programming. Each Tessel 2 offers an 802.