Manufacturer | COVVY |
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Parcel Dimensions | 15.1 x 10.4 x 2.2 cm; 30 g |
Power Source | dc |
Voltage | 24 Volts |
Batteries Required? | No |
Item Weight | 30 g |
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COVVY Mini DC Motor PWM Speed Controller 3V 6V 12V 24V 35V Speed Control Switch Speed Control Switch LED Dimmer 5A, Pack of 2
Purchase options and add-ons
- Mini DC motor governor, But also applies to LED dimming.
- Wide voltage DC motor speed controller, PWM duty cycle: 1% -100%.
- By screwing the potentiometer, you can turn off power supply output.
- High voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery.
- Default disconnection of short circuit point ,it is Applicable to 5-35V input voltage;If connect short circuit point,it is suitable for low voltage 3-15V input.
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Product description
Specifications:
1.Operating voltage: DC3V-35V
2.Control power: Maximum 90W
3.Quiescent current: 0.01A(Standby)
4.PWM duty cycle: 1%-100%
5.PWM frequency: 10khz
6.Shell size: 30MM*24MM(Without handle) total height is 15MM
7. Net weight: 0.015KG
Packing included: 2 x PWM Speed Controller 5V-35V
Product information
Technical Details
Additional Information
ASIN | B07VPNHS5J |
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Customer Reviews |
4.0 out of 5 stars |
鶹 Rank |
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Date First Available | Aug. 9 2019 |
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From the brand

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How we started
Born in 2017, when our founder John, a professional fitness trainer, realized that the fitness equipment on the market was either overpriced or of questionable quality. He decided to join forces with a team of engineers and athletes to create truly professional, durable and cost-effective fitness equipment
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Customer reviews
Customers say
Customers like the functionality, compact size, and ease of use of the product. They mention it works excellent for controlling a 12V, 1.4A fan, and is perfect for any little prototyping or fan/DC motor control projects. However, some customers have reported that it's poorly made, doesn't hold up, and is disappointed with reliability and durability. Opinions are mixed on overheating.
AI Generated from the text of customer reviews
Customers like the functionality of the product. They mention it works well for controlling a 12V, 1.4A fan, and as a driver for a LED lamp with 19V source. Customers also say the control switch works as needed and the parts are of good quality.
"...Cheap and effective." Read more
"Parts was good but only recieved only messaged seller noe response" Read more
"...I have used them for several projects and they work great. Would definitely recommend these" Read more
"The control switch worked as needed I have it hooked up to a 12v motor to control the speed. Has a nice click to indicate on and off...." Read more
Customers like the compact size of the product. They mention the screw terminals work well.
"This unit is small and very functional. I used it to control LED dash lights in an old car...." Read more
"...I had to short two pins in the back of the board. The board is compact, so it doesn't take alot of space." Read more
"Small and compact" Read more
"Compact size, screw terminals work well, no issue so far." Read more
Customers like the ease of use of the product. They mention it's super simple, easy to install, and perfect for any little prototyping or fan/DC motor control projects.
"...I used to vary my oven and bath fans in trailer. Easy to install." Read more
"Perfect for any little prototyping or fan/dc motor control projects. I have used them for several projects and they work great...." Read more
"very simple and works well" Read more
"used them to rig up a 12v fan...Super Simple, Nice design, Easy install" Read more
Customers have mixed opinions about the overheating of the product. Some mention it does the job very well and doesn't overheat. However, others say it overheats and dies quickly from heat.
"...Unlike resistive solutions, they don't heat up so they can be embedded in 3D printed housings or clothing...." Read more
"...(the light on the unit does not light up), but also the unit is extremely over heated, then I reversed the two poles, everything is working with NO..." Read more
"using these to control the temperature of some small heaters. they work very well." Read more
"When working, using the Control knob is very smooth. Product dies quickly from heat, and unfortunately didn't hold up with even to 18v...." Read more
Customers are dissatisfied with the build quality of the product. They mention it's poorly made, dies quickly from heat, and doesn't hold up even to 18V.
"Very poorly made...." Read more
"...Product dies quickly from heat, and unfortunately didn't hold up with even to 18v. It should be rated to handle 35v. Both modules died within Days...." Read more
"Poor build quality, a capacitor broke of while I was handling it. Ok for price." Read more
"Both arrived dead and they look cheaply built." Read more
Customers are dissatisfied with the reliability of the product. They mention that the first module stopped at 20V and the second one was completely unfunctional. Customers also say the unit doesn't work and the power does not pass through the packaging.
"...am sure I reversed them, the consequence was that, not only the unit does not work (the light on the unit does not light up), but also the unit is..." Read more
"...The second module would light up with power indicator, but would not output any voltage to the motor at all on first try... :..." Read more
"Both arrived dead and they look cheaply built." Read more
"Both devices was defective. The first one stopped at 20V and the second one was completely unfunctional" Read more
Customers are dissatisfied with the durability of the product. They mention it can handle up to 5 amps, anything over 5amps is damaged easy. Customers also mention the surface mount diode ripped from the circuit trace, broke one of the connectors, and the capacitor broke of while they were handling it.
"...of the board, I found a surface mount diode that was ripped from the circuit trace. This is clearly a factory defect...." Read more
"...Polarity very important. Handle with care, easy to damage (electrically and physically) the controller if not careful...." Read more
"...First one must have touched something during install and broke one of the connectors. Using it to control speed on vent fan. Second one works great...." Read more
"Poor build quality, a capacitor broke of while I was handling it. Ok for price." Read more
Reviews with images

Great adjustable speed control
Top reviews from Canada
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- Reviewed in Canada on May 17, 2025Verified PurchaseI use these for power control on heated motorcycle grips and clothing. Unlike resistive solutions, they don't heat up so they can be embedded in 3D printed housings or clothing. And they don't waste power, drawing only what is required by the setting instead of dumping the excess as heat. I coat them in plastic-dip sealant to keep moisture out. I've only had one fail thus far and that was after 2 years of use. Cheap and effective.
- Reviewed in Canada on November 2, 2024Verified PurchaseExcellent for RV and 12 volt systems. I used to vary my oven and bath fans in trailer. Easy to install.
- Reviewed in Canada on January 6, 2025Verified PurchaseParts was good but only recieved only messaged seller noe response
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Reviewed in Canada on December 31, 2022Verified PurchaseLes potentiomètres que j'ai reçus était le bon produit de bonne qualités. Tout a bien été livré dans les temps prévues de livraison.
Le point faible de cette livraison selon moi serait plutôt l’emballage du produit livré. Les deux pièces reçus était dans un petit sac de plastique dans une enveloppe en papier cartonné de livraison 鶹.
J'ai remarquer que le capacitor de l'un des 2 produits était plier, mais j'ai pu le remettre en place sans casse
- Reviewed in Canada on January 7, 2024Verified PurchaseIf you are looking for a speed controller that can be used for an analogue fan, this will not work for you. If your fan does not support pulse modulation, this will just cause your fan to vibrate until it reaches a high enough setting to push it past the magnetic field of the magnets.
It would have been nice if it had a jumper to support both. It seems ok, but not general purpose enough for me.
- Reviewed in Canada on August 18, 2024Verified PurchasePerfect for any little prototyping or fan/dc motor control projects. I have used them for several projects and they work great. Would definitely recommend these
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Reviewed in Canada on October 16, 2024Verified Purchasebon
- Reviewed in Canada on May 6, 2024Verified PurchaseSupposed to have 2 pieces, only one was received!
Top reviews from other countries
- Rebekah BeaudourReviewed in the United States on January 31, 2021
1.0 out of 5 stars No quality
Verified PurchaseArrived partially smashed not the yellow caps bent. The one mounting hole is covered by the green cap that’s bent over it the pcbs are different sizes by a quarter inch and I can see why the small chip under the green cap in the front part almost has one side of the ic’s pins sheared off. It’s going back. 鶹 gives some hints to write a review. So I’ll use them Zero “value for money”. Not “easy to install” cause it’s going back. And “sheerness” yeah you sheared down to the pins.
Rebekah BeaudourNo quality
Reviewed in the United States on January 31, 2021
Images in this review
- MrRilesReviewed in the United States on November 15, 2021
1.0 out of 5 stars Both DOA does not work on led lights.
Verified PurchaseI hooked this controller up to a set of led lights and nothing happened. I had 4.2v on the incoming side and 0v on the outgoing side. Turning the knob gave no results on the outcome of the outgoing side. They are getting returned.