Can this be used to slowly increase the voltage in a power wheels type car? Wanting to increase voltage over time from 12-24v?

You can increase the average voltage overtime. Basically you need a 24V supply. And then you can pwm from 50% to 100% of whatever the range is.

The manufacturer says it needs, requires, must have a heat sink. so why did anyone manufacture it without a component that it absolutely needs???

I have used this board with and without heatsinks to drive NEMA 23 stepper motors at 1.5-2A, and haven't any significant heating in either case.

How do i use digital high & low with no pmw, i left ena disconnected no luck. help!

Connect to the PWM pin and drive it high for max speed. Low for no rotation

Can you recommend a pwm motor controller board for 12v x 10amp motor with an input signal from 0 to 55 mv with 100% duty cycle at 25 mv?

0-55mV? Thats not even considered a signal by most any controller for PWM.

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DROK DC Motor Driver, L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module Industrial 160W with Optocoupler Isolation

Product ID: 40578028

Details

Brand
DROK
Color
Red
Material
Metal
UPC
701822755689
Unit Count
1.0 Count

⚡6.5V-27V wide voltage range

📊7A rated output current per port

🔄Dual H-Bridge for 2 motors

125.81 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Drive Innovation, Control Every Move!

SPEED AT YOUR FINGERTIPS - PWM input enables smooth speed regulation with frequencies up to 10kHz for fine-tuned motor performance.
BUILT TO LAST WITH SAFETY - Under-voltage protection and optocoupler isolation safeguard your module from electrical damage.
POWER YOUR PROJECTS WITH PRECISION - Supports a broad 6.5V to 27V input voltage for versatile motor applications.
REVERSE AND FORWARD MOTION MASTERY - Easily switch motor direction with dedicated IN1, IN2/IN3, IN4 ports for dynamic control.
DOUBLE THE DRIVE DOUBLE THE CONTROL - Dual H-Bridge design lets you independently control two DC motors simultaneously.

The DROK DC Motor Driver is a robust dual H-Bridge motor controller supporting 6.5V to 27V input and delivering up to 7A per port with 160W total power. Featuring PWM speed control up to 10kHz, forward/reverse motor direction, and built-in under-voltage protection with optocoupler isolation, it’s engineered for reliable, precise motor management in industrial and DIY projects.

Specifications

ASIN	B06XGD5SCB
Best Sellers Rank	#117,744 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #83 in Motor Speed Controllers
Brand Name	DROK
Color	Red
Customer Reviews	4.4 4.4 out of 5 stars (194)
Manufacturer	DROK
Material Type	Metal
Model	200206_OZ
Part Number	200206
Smart Home Compatibility	Not Smart Home Compatible
UPC	701822755689
Unit Count	1.0 Count

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