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Operating instruction:
- Before you attempting to wire the controller, make sure power is off.
- Please Check all connections before applying power, it will be damaged if connect the supply voltage with wrong polarity.
- Turn on the power, and adjust the potentiometer.The LED indicates the power up and the speed of motor.
- You can control the speed of the motor through potentiometer.
The DC Motor Speed Controller with a self-recovery fuse 5A and a Power-On LED light, which controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM).
Customer
Reviewed in the United States on February 21, 2025
works as it should.
Adam
Reviewed in the United States on July 20, 2024
I've been using 3 for a couple weeks now 24 hours a day to control fan speed. All 3 are working as designed so I'm happy.Also the boars are clean, no cold solder joint or under/over soldered joints.
Thomas
Reviewed in the United States on February 29, 2024
When I wired one of these up, It was not providing constant power, rather it was flashing on and off. I found out that the culprit was a poorly soldered surface mount component that had come loose on one end. This is something that I can fix before implementing in my design, but it won't be something that everyone can do. 2 of the 6 units that I visually inspected had this problem.
Daniel Lewis
Reviewed in the United States on November 4, 2024
Bought for some 3d printed models I made, they work great for metering voltage
BrickPig
Reviewed in the United States on October 17, 2024
I got these PWM switches to control the brightness of small 12 volt LED lights. All 6 of mine worked fine during my bench tests. You need to isolate the power ground from the load ground, a common ground does not work with these PWM switches. These PWM switches ship with 6 washers, 6 mounting nuts, and 6 plastic control knobs. There is an On/Off position when the control knob is turned fully counterclockwise. A small red LED on the circuit board lights up when the switch is turned On. The 3-15 jumper on the backside of the circuit board did not seem to make any visible difference in my application, so I left it unconnected. Very reasonably priced PWM switches.
Jeremy Z
Reviewed in the United States on May 1, 2023
I bought these to control some little 12v "hobby" motors (linked in this message) for a DIY stir plate. The controller works smoothly from off to max and there is no lag on the pot that I can pick up.Great value!https://www.amazon.com/EUDAX-Generator-Electric-Turbine-Cranked/dp/B078MSFFH5
Steve Coder
Reviewed in the United States on March 22, 2023
These work well, but do not accidently reverse polarity or they blow. The cannot assume a common ground on the output, you must use both output lines to the led, and don't tie either to any other part of a circuit. I use these in all my boat LEDs as dimmers; so far so good, once they are hooked up.
M. Wood
Reviewed in the United States on December 2, 2022
Small, compact, and worth the money
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