Features: The electronic building blocks rotary potentiometer module delivers precise analog signals control, for high precisions projects requiring fine adjustments, while solving traditional potentiometers limitations in accuracy demanding applications. with PCB materials, this rotary encoders module features wear resistant construction and toolless modulars for integration into diverse circuit systems. Perfect for electronics students, educators, hobbyists, and professional developers seeking components for prototyping and educational demonstrations in electronics engineering. Enhances precisions in school lab experiments, home projects, and microcontroller based systems where accurate parameter tuning for sensoring calibration and device control. This analog control module combines scratch resistant PCB durability with broad microcontroller compatibility, making complex circuit adjustments accessible to users across skill levels. Specifications: Materials: PCB Size: 2.4x2.17cm Package Includes: 5Pcs Rotary encoders Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.