Is there a way for this to be powered-up in off-state instead of on-state ? can be a hazard otherwise

When power is applied, the controller will output voltage that is set by the last used setting. By pushing the rotary voltage adjustment knob the voltage output will be shut down. Push the knob again and preset voltage will be outputted once again.

Controller worked well for about 2 weeks before making a high pitched squealing sound, anyone else know why?

Overloaded Mosfet transistor for the PWM output or failed PWM driver most likely.

Can this br used with a permanent magnet motor?

This controls a plain DC motor, a permanent magnet type.

What does the frequency setting control if you can already control it with the high and low settings?

yES IT ABSOLUTELY WILL GO UP IN FLAMES IF YOU PUMP 2000 WATTS THROUGH IT.

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PEMENOL PWM Motor Driver, DC 5V-24V 5A 150W | Motor Speed Controller Adjustable Speed Regulator with Stepless Variable Knob Switch Signal Generator Driver Module

Product ID: 153818142

⚡5V-24V wide voltage range

🔋Max 15A current & 150W power

🎛️Digital rotary encoder for precision

€ 23.96

Duties & taxes included

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Description

🎯 Master Motor Control Like a Pro — Precision, Power & Protection in One Compact Module!

SOFT START START STOP CONTROL - Protect your motor and extend its lifespan with a gentle current ramp-up and convenient external start-stop switch compatibility.
ROBUST VERSATILE VOLTAGE RANGE - Supports DC 5V to 24V, making it perfect for a wide array of professional and DIY motor applications.
POWER YOUR PROJECTS WITH PRECISION - Adjust motor speed seamlessly with a high-precision digital rotary encoder for repeatable, exact control.
CUSTOMIZABLE DUTY CYCLE FREQUENCY - Fine-tune duty ratio limits and working frequency to match your motor’s unique performance needs with ease.
SMART MEMORY FOR EFFORTLESS EFFICIENCY - Automatically saves your settings on power off, so you never lose your custom configurations—work smarter, not harder.

The PEMENOL PWM Motor Driver is a compact, high-performance motor speed controller supporting DC voltages from 5V to 24V and delivering up to 150W power with a max current of 15A. Featuring a digital rotary encoder for precise speed adjustments, soft start functionality to protect your motor, and a power-off memory function to retain your settings, this module is engineered for professionals seeking reliable, customizable motor control solutions.

Specifications

ASIN	B07WR4KBMF
Best Sellers Rank	#81,833 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #18 in Electrical Motor Controls
Date First Available	August 18, 2019
Item Weight	2.08 ounces
Item model number	13861
Manufacturer	PEMENOL
Product Dimensions	3.11 x 1.81 x 0.91 inches

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