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

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 direction control

€ 25.17

Duties & taxes included

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Master your motor’s rhythm with precision and style!

FLIP THE SWITCH - Easily reverse motor direction with a built-in switch—no extra wiring hassle.
COMPACT YET MIGHTY - Small footprint (3.2x5x1.5 cm) fits seamlessly into any project or workspace.
POWER YOUR PRECISION - Supports a versatile 6V to 28V DC input for all your motor needs.
SMOOTH SPEED CONTROL - PWM technology ensures ultra-fine speed adjustments for flawless performance.
LED POWER SPEED INDICATOR - Instant visual feedback keeps you in control and ahead of the game.

The RioRand 1203BB DC Motor Speed Controller offers adjustable PWM speed control and reversible switching for DC motors operating between 6V and 28V. Delivering up to 3A continuous current and 80W power, it features a compact design with LED indicators for power and speed, making it an essential tool for precise motor management in professional and DIY projects.

Specifications

ASIN	B071H2YQG5
ASIN	B071H2YQG5
Best Sellers Rank	#91,726 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #100 in Electrical Motor Controls
Brand Name	RioRand
Color	1203bb
Customer Reviews	4.3 4.3 out of 5 stars (850)
Customer reviews	4.3 4.3 out of 5 stars (850)
Date First Available	6 September 2017
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 model number	RR-PWM-3A
Manufacturer	RioRand
Manufacturer	RioRand
Material Type	Copper
Model	RR-PWM-3A
Number of Items	1
Number of Packs	1
Operating Temperature	20 Degrees Celsius
Part Number	RR-PWM-3A
Product Dimensions	5.08 x 3.3 x 1.02 cm; 32.03 g
UPC	637012217609
Unit Count	1.0 Count
Voltage	24 Volts

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