Are the step and direction command inputs ttl 5v or can they be 24v for the dafurui tb6600?

They are 5v max input and are optocoupled style meaning the input operates a LED to pin diode or Photo resister I am pretty sure it is Photoresistor. They can be TTL or Cmos positive logic.

Tb6600 4a 9 42v 32 Subdivision Hybrid Stepper Driver Nema

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€ 36.17

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Description

⚙️ Drive your CNC & 3D projects with precision and power – don’t get left behind!

ULTRA SMOOTH MOTION - 32 subdivisions microstepping reduces vibration for whisper-quiet CNC and 3D printing.
VOLTAGE FLEXIBILITY - Operates seamlessly between 9V and 42V DC, adapting to diverse power setups.
PLUG PLAY CONFIDENCE - Easy installation with high-speed optoelectronic isolation and energy-saving current lock for professional-grade performance.
POWER PACKED PRECISION - Up to 4A current with 8 selectable output levels for tailored motor control.
ROBUST PROTECTION SUITE - Built-in safeguards against overcurrent, overvoltage, undervoltage, short circuits, and overheating ensure reliability.

The DaFuRui TB6600 is a high-performance hybrid stepper motor driver supporting Nema 17/23 motors, delivering up to 4A current and operating across a wide 9-42V range. Featuring 32 microstepping subdivisions, advanced protection mechanisms, and energy-efficient design, it ensures smooth, precise, and reliable motion control ideal for engineers, makers, and professionals in CNC and 3D printing applications.

Specifications

ASIN	B07KGQDQMN
Best Sellers Rank	#361,695 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #401 in Motor Speed Controllers
Date First Available	November 14, 2018
Item Weight	5.9 ounces
Item model number	Stepper Motor
Manufacturer	DaFuRui
Package Dimensions	4.76 x 3.19 x 1.54 inches

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