Timing Pulley GT2 (36 Teeth-5mm Inner Diameter-6mm Width) 5x10 coupler Signal pin will output the

Signal pin will output the  temperature and humidity information

and dependable screw terminal blocks

Material:                                      Flexible Flame Retardant & Cross-Linked Polyolefin

VCC:             Red wire

To know more about Thermocouple types

Timing Pulley GT2 (36 Teeth-5mm Inner Diameter-6mm Width) 5x10 coupler Signal pin will output theThe GT2 pulley with 36 teeth or grooves is one of the best choices for 3d printer construction or XYZ linear motion for small CNC because the GT2 pulley tooth profile is anti backlash. Why? The rounded teeth of this tooth and belt are engaged together longer providing a smoother transition between teeth. This is what you need for your 3D printer or transmission mechanism. This pulley has 36 teeth, and a 5mm inner bore. Two set screws can be used to