Extruder Temperature Sensor
Type 20 = PT100 with INA826 amp in Ultiboard v2.0 http://www.ti.com/lit/ds/symlink/ina826.pdf
reprap:wanhao:duplicator6:major_components:extruder_temperature_sensor
Type 20 = PT100 with INA826 amp in Ultiboard v2.0 http://www.ti.com/lit/ds/symlink/ina826.pdf