--- product_id: 42399670 title: "STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor" brand: "stepperonline" price: "€ 69.91" currency: EUR in_stock: true reviews_count: 13 category: "Stepperonline" url: https://www.desertcart.gr/products/42399670-stepperonline-cnc-stepper-motor-driver-1-0-4-2a-20 store_origin: GR region: Greece --- # 1.0-4.2A peak current 1/128 ultra-fine microstep resolution 20-50VDC wide voltage range STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor **Brand:** stepperonline **Price:** € 69.91 **Availability:** ✅ In Stock ## Summary > 🎛️ Step up your CNC precision with the DM542T — where power meets finesse! ## Quick Answers - **What is this?** STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor by stepperonline - **How much does it cost?** € 69.91 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/42399670-stepperonline-cnc-stepper-motor-driver-1-0-4-2a-20) ## Best For - stepperonline enthusiasts ## Why This Product - Trusted stepperonline brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Upgrade Your CNC Game:** Join thousands of pros who’ve transformed their machines with DM542T’s cooler, quieter, and faster stepper control. - • **Plug & Play Confidence:** Clear labeling, logical voltage selector (5V/24V), and detailed schematics make setup effortless and error-free. - • **Power Meets Flexibility:** Supports a broad 20-50VDC input and adjustable 1.0-4.2A current to perfectly match your Nema 17 & 23 motors. - • **Precision at Every Pulse:** Experience industry-leading 1/128 microstepping for whisper-quiet, ultra-smooth CNC motion. - • **Built to Last, Backed to Trust:** Industrial-grade durability with 1-year warranty plus lifetime customer support—because your projects deserve reliability. ## Overview The STEPPERONLINE DM542T is a high-performance stepper motor driver designed for Nema 17 and 23 motors, delivering 1.0-4.2A current and operating across a 20-50VDC range. Featuring an ultra-fine 1/128 microstep resolution, it ensures smooth, precise motion ideal for CNC applications. With a selectable 5V/24V logic voltage, clear terminal labeling, and robust industrial-grade construction, it offers reliable, quiet operation backed by a 1-year warranty and lifetime support. ## Description Product description Overview The DM542T is a fully digital stepper driver developed with advanced DSP control algorithm based on the latest motion control technology. It has achieved a unique level of system smoothness, providing optimal torque and nulls mid-range instability. Its motor auto-identification and parameter auto-configuration feature offers quick setup to optimal modes with different motors. Compared with traditional analog drives, DM542T can drive a stepper motor at much lower noise, lower heating, and smoother movement. Its unique features make DM542T an ideal choice for high requirement applications. It is highly recommended to work as nema 17 driver and nema 23 driver. Features Step & direction (PUL/DIR) control Input voltage 20-50VDC (recommended 24-48VDC) 200 KHz max pulse input frequency 16 microstep resolutions of 200-25,600 via DIP switches 8 output current settings of 1.0-4.5A via DIP Switches Idle current reduction to 50% or 90% selection via SW4 Optically isolated inputs with 5V or 24V Specifications Mechanical Specfications DIP Switch Configurations Protection Functions Troubleshooting In the event that your drive doesn’t operate properly, the first step is to identify whether the problem is electrical or mechanical in nature. The next step is to isolate the system component that is causing the problem. As part of this process you may have to disconnect the individual components that make up your system and verify that they operate independently. It is important to document each step in the troubleshooting process. ## Features - Stepper motor driver DM542T is updated to version V4.0, add 5V/24V logical voltage selector, alarm outputs. Please attention, Factory setting is 24V, if you need to use 5V, switch selector on the top of the driver. - Industrial-grade Stepper Driver, Suit for Nema 17 and 23 Stepper Motor - 1.0~4.2A, 20~50VDC, 1/128 Microstep Resolution - Pulse signal: 4-5V when PUL-HIGH, 0-0.5V whenPUL-LOW. The same as DIR and ENA signals - 100% service satisfactory. We provided this stepper motor kit with 30 days free replacement or refund, 1 year warranty and whole life customer service from the date of purchasing. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06Y5VPSFN | | Best Sellers Rank | #40,599 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17 in Motor Speed Controllers | | Brand | STEPPERONLINE | | Brand Name | STEPPERONLINE | | Color | Black | | Customer Reviews | 4.7 out of 5 stars 662 Reviews | | Display Type | LCD or LED | | Item Dimensions L x W x H | 4.64"L x 1"W x 2.97"H | | Item Weight | 210 Grams | | Manufacturer | OMC CORPORATION LIMITED | | Material | Copper | | Material Type | Copper | | Model | DM542T | | Operating Temperature | 45 Degrees Celsius | | Part Number | DM542T | | Product Dimensions | 4.64"L x 1"W x 2.97"H | | UPC | 714485410482 715624558829 715776647549 | | Voltage | 5 Volts | ## Product Details - **Brand:** STEPPERONLINE - **Color:** Black - **Material:** Copper - **Product Dimensions:** 4.64"L x 1"W x 2.97"H - **Voltage:** 5 Volts ## Images ![STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor - Image 1](https://m.media-amazon.com/images/I/61c8wFRoTqL.jpg) ![STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor - Image 2](https://m.media-amazon.com/images/I/61PWmAwXxnL.jpg) ![STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor - Image 3](https://m.media-amazon.com/images/I/51ekv-otLTL.jpg) ![STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor - Image 4](https://m.media-amazon.com/images/I/61MidaukkVL.jpg) ![STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor - Image 5](https://m.media-amazon.com/images/I/416r5J6n5hL.jpg) ## Questions & Answers **Q: Can this drive a 200 step motor?** A: yes, all this does is convert pulses into different voltage pulses (adjusts current) across the stepper motor coils. The driver doesn't care about the steps/revolution of your motor. You can adjust the number of steps per revolution (microsteps x stepper steps/rev). It is up to the users to convert number of pulses into revolutions of motor shaft if you care about absolute position or have a fixed pulse frequency and want a specific RPM. **Q: Can this drive 400 step / 0.9° stepper motors?** A: This controller is designed for a 400 ppr motor. You can also get much better than .9° resolution by setting the switches. On my mill I use the 800 ppr setting which is a half step or .45°/step. You then need to make adjustments in software or code for 800 ppr vs 400 ppr. I have not used it with higher than 800 ppr or 1/2 step so I don't know how it will work for you. **Q: Can this be controlled using a Raspberry Pi?** A: I would think with the appropriate hat it could. **Q: This is my 1st go at this. is the dm542t the best choice to run the 17hs24-2104s 92oz nema 17 motor?** A: idk what the best choice is , but these will run them.. id set the dip switches to low current ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***V on March 7, 2023* ### ⭐⭐⭐⭐⭐ Review *by A***G on June 18, 2021* ### ⭐⭐⭐⭐⭐ Review *by T***E on November 1, 2023* ## Frequently Bought Together - STEPPERONLINE CNC Stepper Motor Driver 1.0-4.2A 20-50VDC 1/128 Micro-Step Resolutions for Nema 17 and 23 Stepper Motor - 42 57 Stepper Motor Driver Controller Integrated Board Forward/Reverse Pulse Speed Angle Control Module PLC Serial Communication - STEPPERONLINE High Torque Nema 23 CNC Stepper Motor 114mm 425oz.in/3Nm CNC Mill Lathe Router --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/42399670-stepperonline-cnc-stepper-motor-driver-1-0-4-2a-20](https://www.desertcart.gr/products/42399670-stepperonline-cnc-stepper-motor-driver-1-0-4-2a-20) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-05-06*