Black & Orange Plastic Knob for 6mm Knurled Shaft Potentiometer 250V fuse So that it can remote

So that it can remote unlock the door

The 20k Vertical PCB Preset Variable Resistor Trimmer Potentiometer is a three-terminal variable resistor that is used to vary or change the resistance

ESP-01 will manage everything

The value of all 8 outputs is used to determine the position of the tracking line

Black & Orange Plastic Knob for 6mm Knurled Shaft Potentiometer 250V fuse So that it can remoteIt's a Black & Orange Plastic Knob for 6mm Knurled Shaft Potentiometer. 15mm Mini Black Plastic Knob with Colour Pointer for 6mm Knurled Shaft Potentiometer with Plum Handle. Specification Material Plastic Shaft Type Knurled Shaft Knob Diameter 15. 2mm Knob Height 15mm Potentiometer Shaft Diameter 6mm Potentiometer Shaft Length 7mm