GT2 Timing Belt white 6mm (Select Length) Rotary Encoder Module 12 -0 - 12V /

12 -0 - 12V / 1000mAh Step Down Non Transformer

JST-PH Battery Connector (Not JST-XH)

Able to store 127 different fingerprints

Power supply voltage detection

and any other digital signal

GT2 Timing Belt white 6mm (Select Length) Rotary Encoder Module 12 -0 - 12V /Introduction : This GT2 Belt is 2mm pitch, 6mm width, open ended so you can choose the length you want Timing belts are a great way to transfer rotational motion (from a stepper motor) into linear motion (along a rail) and these GT2 belts are excellent for the task. They have a special profile with rounded teeth which reduces slippage. Often used for precision 3D printers and CNC machines. Material is Neoprene Rubber, Fiberglass Reinforced perfect for