This module is a shield of MegaPi. It can turn MegaPi pins into Makeblock RJ25 ports. You can also connect MegaPi with Makeblock electronic modules.
Features:
Four color-labeled ports;
One power indicator;
Easy wiring with 6P6C RJ25 interface;
Arduino library for easy programming;
Specification:
Operating Voltage: 5V
Dimensions: 2.5cm x 6.3cm