DFRobot DFRduino Ethernet Shield V2.1 - Mega + SD speech synthesis shield and 5 digital pins

and 5 digital pins

or A0 to read intensity via ADC

media interfaces

You can also compare it with DFRobot Rubber Wheel 136x24mm Kit - Pair w/ Hubs & Hardware

a green one lights up when its done

DFRobot DFRduino Ethernet Shield V2.1 - Mega + SD speech synthesis shield and 5 digital pinsDFRduino Ethernet Shield V2. 1 is fully compatible with Ardunio Ethernet Shield. With the offical ethernet library, you can do exactly the same thing as the original one, but at a more affordable price. This Ethernet Shield provides an Arduino controller board with internet access. It is based on the Wiznet W5100 ethernet chip. The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP. It supports up to four simultaneous socket