Compact design This small brushless motor gear speed regulator test module is designed for a minimal footprint, making it suitable for tight spaces while providing quick detection and adjustment of motor positions. Userfriendly control A builtin knob enables manual speed regulation, allowing direct electrical adjustments without the need for remote control devices. This provides straightforward, onsite tuning. Wide compatibility and signal input The module supports signal input for effective speed regulation across brushless motor setups, making it versatile for different configurations and applications, including brushless power fans. Easy connection and power options An integrated stepdown circuit allows direct connection to battery configurations from 1S to 6S, simplifying integration into diverse setups. Key benefits Spaceefficient and compact for use in small projects and enclosures Easy, knobbased speed control without additional remotes or controllers Broad compatibility with 1S to 6S batteries via an integrated stepdown circuit Suitable for regulating speed through signal input for brushless motor systems Practical for DIY enthusiasts to test, adjust, and tune geardriven brushless motors Applications and use scenarios Bench testing and tuning of a geardriven brushless motor in DIY projects, hobby robotics, or RC setups, using the knob to dial in target speeds quickly Small formfactor cooling fans or other brushless motor driven devices where direct, handson speed adjustment improves airflow and performance Prototyping and experimentation in projects that require different battery configurations (1S–6S), enabling direct connection without additional regulators Notes This module is intended as a test and adjustment tool for brushless motor gear speed regulation, offering a compact, userfriendly interface with straightforward wiring and versatile power compatibility.