Dc 12V Single Channel Fan Speed Controller Pwm Speed Controller 25Khz Motor Control With Rotary Potentiometer To Adjust 4Pin

Features: 1: Small size 2: Simple to use 3: The duty cycle is adjustable from 0 to 97, and the speed regulation range is wide. 4: PWM frequency is 25KHZ 5: Easy to install Overview: The single-channel PWM fan control board adopts the PWM speed regulation scheme, which can better adapt to the 4-wire speed regulation fans on the market. By rotating the potentiometer, the fan speed can be easily adjusted. 1. The PWM frequency is 25KHZ, which can adapt to most 12V adjustable speed fans on the market. 2. The duty cycle can be adjusted from 0 to 97, and the speed regulation range is wide. 3. Rotary potentiometer with switch, easy to start and stop. 4. Input voltage: 12V 5. Small size, easy to install Instructions for use: Need to solder the wire by yourself, connect to 12V voltage, pay attention to the wiring sequence from top to bottom, 1 pin is grounded, 2 pin is connected to 12V, and 3 pin is left blank. Rotate the potentiometer, turn on the switch, the red led will light up, which means the power supply is normal. Continue to adjust the potentiometer clockwise, and the fan speed will gradually increase. New and high quality Color: As the pictures show Size:As the pictures show Package Included:1Pc Note: Due to manual measurement, please allow an error of 1-3mm. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.