# Stepper Motor Driver Rosfix A4988 RepRap — single-axis driver module, red PCB

**URL:** https://aio.lv/en/product--rosfix-mod-02660--12059809
**Data updated:** 2026-03-12 19:43 (EET)
**Category:** 3D Printer Consumables
**Manufacturer:** Rosfix
**Manufacturer code:** MOD-02660
**EAN:** 5904422359201
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 7.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rosfix-mod-02660--12059809

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

Rosfix A4988 RepRap stepper motor driver is a compact single-axis driver module for controlling bipolar stepper motors in RepRap and other CNC/3D-printing projects. The module provides microstepping control via onboard pins, potentiometer for current adjustment, step and direction inputs, and a red PCB. It is suitable for DIY printers, CNC routers and motion control prototypes.

## Long description

Rosfix A4988 RepRap stepper motor driver is a compact single-axis driver module designed for controlling bipolar stepper motors in RepRap 3D printers, CNC machines and motion-control prototypes. The board integrates a microstepping interface, an adjustable current-limiting potentiometer and standard step and direction inputs on a red printed circuit board, offering a space-efficient solution for single-axis motor control in DIY and small-scale automation projects.
Advantages
The module provides selectable microstepping via onboard pins, allowing fine control of motor position and smoother movement. An integrated potentiometer lets users set motor current to match different motor ratings and reduce heat or torque as needed. The compact red PCB layout includes standard step and direction inputs and simplified connections for easy integration on controller boards or custom wiring harnesses, making it suitable for tight installations.
Suitable for
RepRap and other hobbyist 3D printers
DIY CNC routers and milling machines
Motion-control prototypes and robotics projects
Single-axis linear or rotary stepper applications
Key specifications
Driver type: single-axis stepper motor driver for bipolar motors
Microstepping: adjustable via onboard MS1, MS2, MS3 pin settings
Current control: adjustable via onboard potentiometer for motor current limiting
Control inputs: STEP and DIR (direction) logic inputs
Power: compatible with typical stepper motor supply voltages used in small printers and CNC devices
Protection features: basic thermal and current limiting (as implemented on the module)
PCB: compact red printed circuit board for space-efficient mounting
How to use
Mount the Rosfix A4988 module on your controller or breadboard following the correct orientation to match STEP, DIR, VMOT and GND connections. Configure the microstepping mode by setting MS1–MS3 pins according to the desired step resolution, and adjust the onboard potentiometer while monitoring motor current and temperature to set an appropriate current limit. Provide a proper motor power supply and connect the bipolar stepper coils to the driver outputs. Use short signal wires for STEP and DIR inputs and ensure common ground between driver and controller.
Usage recommendations
Use a suitable heatsink or cooling when operating at higher currents and verify wiring polarity before powering the module. When adjusting current, start from a lower setting and increase gradually while checking motor performance and driver temperature. Avoid exceeding the motor and supply voltage ratings and follow safety practices for wiring and power management.

## FAQ

### How much does the Rosfix A4988 RepRap stepper motor driver cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 96 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 29.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Rosfix products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Rosfix service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12059809/67545429_large.webp