Will this work for a 2 phase 4 wire stepper motor?

The stepper motors work well if they are connected to drivers and with arduino and the speed can be varied, but directly connected to a speed control I have not done it before.

How do you make fan run in reverse

Well if it is a fan like those used by computers, they only have one direction where the air blows and to put them in reverse so that it blows in the opposite direction, simply turn it around. But DC motors positive and negative connection can turn in either direction clockwise or counter clockwise and can be easily controlled by inverting the polarity of the applied voltage so this motor speed controller can be used it.

can this be used as a dimmer for 24 volt LED strip?

yes of course you can use it like this too but this is limited for the current of several 16 feet led strip lights, I recommend you better use a DC12-24 30A dimmer for better results, you can buy it on ebay for $12

What size gauge wire would I use to wire this to a 775 motor

Size on the board: 32mm*15mm*50mm, what type of line do you need to connect

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RioRand 6V 12V 24V 28V 3A 80W DC Motor Speed Controller PWM Speed Adjustable Reversible Switch 1203BB DC Motor Driver Reversing

RioRand 6V 12V 24V 28V 3A 80W DC Motor Speed Controller PWM Speed Adjustable Reversible Switch 1203BB DC Motor Driver Reversing

Product ID: 381642758

Details

Brand
RioRand
Colour
1203bb
Material
Copper
Product dimensions
32L x 32W x
Voltage
24 Volts

⚡6-28V DC input range

📏Compact 3.2x5x1.5 cm size

🔄Reversible motor control

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€ 22.85

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Description

⚙️ Master your motor’s speed and direction like a pro—compact power, zero compromise!

BUILT TO LAST - Handles continuous 3A current and 80W power with reliable LED status indicator
COMPACT YET MIGHTY - Small footprint (3.2x5x1.5 cm) fits tight spaces without compromise
POWER YOUR PRECISION - Supports 6V to 28V DC input for versatile motor applications
SMOOTH SPEED CONTROL - PWM technology enables seamless speed adjustment without noise
REVERSE WITH CONFIDENCE - Integrated switch for easy forward/reverse motor direction control

The RioRand 1203BB DC Motor Speed Controller offers precise PWM speed regulation and reversible control for DC motors operating between 6V and 28V. Delivering up to 3A continuous current and 80W power, this compact device (3.2x5x1.5 cm) features an easy-to-use potentiometer with switch, LED power indicator, and robust build quality, making it ideal for professional-grade motor control applications.

Specifications

ASIN	B071H2YQG5
Best Sellers Rank	#72,156 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #83 in Electrical Motor Controls
Brand	RioRand
Brand Name	RioRand
Color	1203bb
Colour	1203bb
Customer Reviews	4.3 out of 5 stars 816 Reviews
Display Type	LED
Global Trade Identification Number	00637012217609
Included Components	1 x RioRand dc motor speed controller
Item Dimensions L x W x H	32L x 32W x 15H millimeters
Item Type Name	6V 12V 24V 28V 3A 80W DC Motor Speed Controller PWM Speed Adjustable Reversible Switch 1203BB DC Motor Driver
Item Weight	1.13 Ounces
Item weight	1.13 Ounces
Manufacturer	RioRand
Material	Copper
Material Type	Copper
Model	RR-PWM-3A
Operating Temperature	20 Degrees Celsius
Part Number	RR-PWM-3A
Product dimensions	32L x 32W x 15H millimeters
UPC	637012217609
Unit Count	1.0 Count
Voltage	24 Volts

Reviews

C**N

Amazing product

1.04.2026

C**O

Perfect

13.10.2025

P**E

Controller

10.09.2023

D**B

I'll order this one next time.

13.12.2025

D**N

Works great!

19.12.2025

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€ 22.85

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In stock

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Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

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