1. The third yellow interface line is the TTL control line, the voltage range is 3.3-12V, the frequency is 0-20KHz, and it needs to be grounded.
2. The input voltage of the red and black wires is 12V1A, do not connect them in reverse, otherwise the module will be damaged.
3. The power is not controlled by voltage or frequency, it is controlled by duty cycle.
Main applications: grayscale engraving, drawing, simple depth engraving, simple cutting, etc. Interface specification: 4pin PH2.0 (red: 12V, black: GND, yellow: PWM, green: temperature signal) Wavelength: 405nm Radiator size: 30*60mm Material: copper + aluminum Weight: 121g Drive position: built-in Is the power adjustable: PWM can be adjusted Drive protection: surge protection, overvoltage protection Input power: approx. 12V280ma (including fan power) Line length: 300mm Control line installation method: split type Fan size: 30*10mm Fan speed: 10,000 rpm Controllable temperature: less than 60 degrees Celsius Focus range: 5-50mm Best focal length: 10mm from the light exit Safety Warning: Please apply this module under the premise of safety protection! Recommended application machine: NEJE Master packing list: 1 x module 2 x screw 2 x gasket