{"product_id":"diy-grbl-cnc-control-box-kit","title":"DIY GRBL CNC Control Box Electronics Kit – HTMCNC","description":"\u003cp\u003eBuild the electronics for your own Arduino and GRBL-based CNC control box with components selected for the \u003cstrong\u003eHow To Mechatronics HTMCNC project\u003c\/strong\u003e. Designed for a 3-axis CNC router with four stepper motors, including a dual-motor Y-axis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIY parts kit:\u003c\/strong\u003e components are supplied individually. Nothing is pre-assembled, wired, tested as a finished controller, or pre-configured.\u003c\/p\u003e\n\u003cp\u003eFollow the \u003ca href=\"https:\/\/howtomechatronics.com\/cnc\/how-to-make-a-cnc-control-box-complete-guide-grbl-cnc-motion-controller-htmcnc-2\/\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003ecomplete CNC control box tutorial and wiring diagrams\u003c\/strong\u003e\u003c\/a\u003e for step-by-step assembly, Arduino\/GRBL setup and the custom controller shield design.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eThe kit contains the electronic and connection parts listed below. Click any component to see its individual product and available options.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eComponent\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eKit quantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/dm542-stepper-motor-driver\"\u003eDM542 stepper motor driver\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/36v-600w-power-supply-cnc-control-box?variant=68230783041667\"\u003e36V \/ 600W switching power supply\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/uno-r3-official-set-atmega328p\"\u003eArduino-compatible UNO R3 board\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/ground-bus-bar-cnc-control-box\"\u003eProtective earth ground bus bar\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/terminal-blocks-cnc-control-box-wiring\"\u003eBarrier terminal block\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/3a-dc-dc-converter-cnc-control-box\"\u003e3A DC–DC step-down converter (36V to 12V application)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/12v-cooling-fan-cnc-electronics-enclosure\"\u003e12V cooling fan, 60mm\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/18-awg-wire-cnc-control-box\"\u003e18 AWG hookup wire\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e10 m total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/gx16-aviation-connector-set-male-female?variant=68232091566211\"\u003eGX16 5-pin male + female connector pairs\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5 pairs (1 pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/gx16-aviation-connector-set-male-female?variant=68232091500675\"\u003eGX16 3-pin male + female connector pairs\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5 pairs (1 pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/emergency-stop-push-button-cnc-control-box\"\u003eEmergency-stop push button (exact contact configuration to be confirmed)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/ac-socket-with-switch-and-fuse-cnc-control-box\"\u003eAC inlet with switch and fuse holder (IEC C14 style)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003eTerminal block pin count, hookup wire assortment and other exact packed configurations must be confirmed before this kit is released for sale.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHow this controller works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion control:\u003c\/strong\u003e an UNO-compatible board running GRBL sends STEP\/DIR signals to four DM542 drivers for X, Y1, Y2 and Z motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor power:\u003c\/strong\u003e a 36V \/ 600W switching supply powers the external stepper drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary power:\u003c\/strong\u003e a DC–DC converter provides 12V for the cooling fan and the opto-isolated input circuitry used in the reference build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable connections:\u003c\/strong\u003e GX16 connector pairs, terminal blocks and internal wire help organize the cabinet wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNot included — important\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis is an electronics and connections kit, not every part required to reproduce the finished control box shown in the tutorial.\u003c\/strong\u003e The following must be sourced separately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal enclosure\u003c\/strong\u003e (reference build uses 400 × 400mm or larger), cabinet mounting hardware and appropriate fasteners\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom GRBL interface shield \/ PCB for Arduino UNO:\u003c\/strong\u003e order the bare PCB or choose PCB + Assembly through the \u003ca href=\"https:\/\/www.pcbway.com\/project\/shareproject\/Arduino_UNO_Shield_for_GRBL_CNC_Controller_6d7823fa.html\" target=\"_blank\" rel=\"noopener\"\u003ePCBWay community project page\u003c\/a\u003e. You can also download the Gerber files there to order the PCB from another manufacturer. The UNO-compatible board is included in this kit; the custom shield and its components are not.\u003c\/li\u003e\n\u003cli\u003eCNC machine, stepper motors, router\/spindle, PC and other machine accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAssembly and safety\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eE-stop note:\u003c\/strong\u003e The kit includes the push-button device only. Its contact arrangement and the separate protective stop circuit must be selected, wired and validated for the machine; an Arduino\/GRBL input by itself is not a safety-rated emergency stop.\u003c\/p\u003e\n\u003cp\u003eThis product requires electrical assembly, configuration and testing. The controller uses mains input voltage and must be installed with suitable protective earthing, fusing, wire sizing, strain relief and enclosure protection. Work involving mains power should be performed and checked by a qualified person.\u003c\/p\u003e\n\u003cp\u003eArduino\/GRBL is a budget-friendly controller, but as explained in the \u003ca href=\"https:\/\/howtomechatronics.com\/cnc\/how-to-make-a-cnc-control-box-complete-guide-grbl-cnc-motion-controller-htmcnc-2\/\" target=\"_blank\" rel=\"noopener\"\u003ebuild guide\u003c\/a\u003e, USB control and electrical noise can cause interference or false limit alarms. Appropriate shielding, grounding and cable routing remain essential.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/howtomechatronics.com\/cnc\/how-to-make-a-cnc-control-box-complete-guide-grbl-cnc-motion-controller-htmcnc-2\/\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eRead the complete How To Mechatronics GRBL Control Box build guide\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"HT Mechatronics","offers":[{"title":"Default Title","offer_id":68201455583363,"sku":null,"price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/3003\/7891\/files\/DIYGRBLCNCControlBox-HTMCNCKit.jpg?v=1793979564","url":"https:\/\/ht-mechatronics.com\/products\/diy-grbl-cnc-control-box-kit","provider":"HT Mechatronics","version":"1.0","type":"link"}