Core function and specs Designed for experimental development, this device uses an NE555 timer IC as the main chip and accepts a 5V to 15V DC input. It generates programmable pulse signals suitable for driving various control circuits and test setups. Build and durability Constructed from durable materials in a compact package measuring 3.1 x 2.2 cm, this unit is designed for long service life in laboratory or field environments. Compatibility and versatility Capable of generating signals that drive stepper motor drivers, it provides a solution for motor control, timing tests, and other applications that require reliable pulse output. Adjustable pulse control Features adjustable pulse control to deliver precise and outputs across different circuits. Use scenarios Prototyping and testing stepper motor control for robotics, CNC, or 3D printer components by providing suitable drive signals and timing. Educational and hobbyist experiments that explore timer circuits and pulse generation using the NE555. Small automation or prototype projects that require a compact, reliable pulse source to drive various drivers or timingrelated circuits.