{"product_id":"reprap-stepper-driver-a4988","title":"A4988 Stepper Motor Driver Module with Heatsink for 3D Printer Arduino","description":"\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eOverview\u003c\/h4\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe A4988 stepper motor driver module is a microstepping driver with built‑in translator that simplifies control of bipolar stepper motors from a microcontroller or Arduino. It supports up to 35 V motor supply and up to 2 A per coil with proper cooling, making it suitable for NEMA 17 motors in Reprap 3D printers and CNC projects.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.pololu.com\/file\/0j450\/a4988_dmos_microstepping_driver_with_translator.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eInput motor voltage 8–35 V, up to 2 A per phase (≈1 A continuous without extra cooling, more with included heatsink).\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/components101.com\/modules\/a4988-stepper-motor-driver-module\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFive microstepping modes: full, 1\/2, 1\/4, 1\/8 and 1\/16 step for smoother and quieter motion.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.makerguides.com\/a4988-stepper-motor-driver-arduino-tutorial\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSimple STEP and DIR control interface, compatible with 3.3 V and 5 V logic (Arduino, RAMPS, CNC controllers).\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/lastminuteengineers.com\/a4988-stepper-motor-driver-arduino-tutorial\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAdjustable current limit via on‑board potentiometer to match your stepper motor and reduce overheating.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.nkxmotor.com\/shop\/stepper-driver\/a4988\/a4988-stepper-motor-driver-module-with-heatsink\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBuilt‑in protections: thermal shutdown, undervoltage lockout, crossover‑current, ground‑fault and load short‑circuit protection.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/electropeak.com\/a4988-reprap-stepper-motor-driver\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eTypical applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReprap‑style 3D printers using RAMPS or similar controller boards.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesktop CNC machines, laser engravers and robotics requiring precise position control.\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/circuitdigest.com\/microcontroller-projects\/interface-a4988-stepper-motor-driver-with-arduino\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDIY motion‑control projects using Arduino, Raspberry Pi or other MCUs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003eWhat’s included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × A4988 stepper motor driver module (header pins pre‑soldered, red PCB version)\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e1 × Aluminium heatsink with adhesive backing for improved thermal dissipation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":40016160096407,"sku":"21PS001599","price":62.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/a4988-stepper-driver-module-with-heatsink-top.jpg?v=1766909078","url":"https:\/\/scccltd.com\/en-tw\/products\/reprap-stepper-driver-a4988","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}