We are on the way to introduce you our new boards. The one on the picture is two thermistor input and two power mosfet out version. Very powerful two independent PID calculations are running on board microprocessor. (Arduino compatible). There will be one an other soon on our website which will get two thermocouples as input. These cost effective solutions will help you to choose the best option for your configuration. You can easily add one more extruder to your system with these boards for two or more color printing.