Product Selling Points:
1. Small size.
2. Simple to use.
3. Adjustable duty cycle from 0% to 97%, offering a wide speed - regulation range.
4. PWM frequency is 25KHZ.
5. Easy to install.
Product Parameters:
This is a single - channel PWM fan control board, which adopts the PWM speed - regulation scheme and can well adapt to the 4 - wire speed - regulation fans on the market. By rotating the potentiometer, you can conveniently adjust the fan speed.
1. The PWM frequency is 25KHZ, which can adapt to most 12V speed - adjustable fans on the market.
2. The duty cycle is adjustable from 0% to 97%, with a wide speed - regulation range.
3. The rotary potentiometer comes with a switch for easy start - stop operation.
4. Input voltage: 12V.
5. Small size, convenient for installation.
Usage Instructions:
You need to solder the wires by yourself and connect to a 12V voltage. Pay attention to the wiring sequence. From top to bottom, pin 1 is grounded, pin 2 is connected to 12V, and pin 3 is left unused.
Rotate the potentiometer and turn on the switch. The red LED will light up, indicating that the power supply is normal. Continue to adjust the potentiometer clockwise, and the fan speed will gradually increase.
Package List:
1*PWM speed - regulation controller
