{"product_id":"monome-arc-clone-ultra-thin-12-5mm-edition","title":"Monome Arc Clone - Ultra-Thin 12.5mm Edition","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eMonome Arc Clone — Ultra-Thin 12.5mm Edition\u003c\/strong\u003e is a meticulously engineered replica of monome’s arc controller, available in \u003cstrong\u003eArc2 (two-knob)\u003c\/strong\u003e and \u003cstrong\u003eArc4 (four-knob)\u003c\/strong\u003e configurations. Each knob features a high-precision encoder with \u003cstrong\u003e64 discrete steps per revolution\u003c\/strong\u003e, perfectly aligned with a \u003cstrong\u003e64-segment RGB LED ring\u003c\/strong\u003e for visual feedback. Knobs support push-button functionality, replicating the original flagship version’s behavior for Max\/MSP applications.\u003c\/p\u003e\u003cp\u003eEncased in a premium 3D-printed shell using \u003cstrong\u003eKexcelled art filament with metallic finish\u003c\/strong\u003e, the controller measures just \u003cstrong\u003e12.5mm thick\u003c\/strong\u003e (9mm middle frame) — a dramatic reduction from the original’s 38mm height. Connectivity via \u003cstrong\u003eUSB-C\u003c\/strong\u003e. Each unit carries an independent serial number. Fully compatible with the monome ecosystem: \u003cstrong\u003enorns, serialosc (Windows\/Mac), and Max\/MSP\u003c\/strong\u003e. A forthcoming firmware update will enable \u003cstrong\u003eiii system support\u003c\/strong\u003e for standalone USB-MIDI operation with Lua scripting.\u003c\/p\u003e\u003ch3\u003eWhy did you make it?\u003c\/h3\u003e\u003cp\u003eThis project began alongside our Grid clone development, with the goal of creating the most complete and aesthetically refined Arc replica available. Existing clones suffered from three critical limitations: excessive thickness, inconsistent norns compatibility, and hardware quirks from early open-source designs. Most DIY monome controllers work with Max\/MSP but are “officially unsupported” for norns and require hacking the C codebase to function.\u003c\/p\u003e\u003cp\u003eWe undertook a complete redesign — rewriting the firmware from scratch and redesigning the PCB layout over six months. Challenges addressed include the unique Arc–norns handshake protocol, encoder acceleration data handling, stable high-refresh-rate performance, and non-functional USB expansion ports found in the original open-source files. The result matches the original’s tactile precision while surpassing it in portability and ecosystem integration.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnprecedented thinness\u003c\/strong\u003e — 12.5mm total thickness, the slimmest Arc clone available; pairs seamlessly with our Grid clone for a unified monome setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull norns compatibility out of the box\u003c\/strong\u003e — a significant breakthrough; most DIY clones struggle with norns integration, which assumes arc connectivity for parameter control and sequencing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuture-proof iii support\u003c\/strong\u003e — hardware is ready for the 2025 monome iii system, enabling Lua scripting and USB-MIDI enumeration directly on the device — something even original pre-2025 arcs cannot do\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium build quality\u003c\/strong\u003e — metallic-finish Kexcelled filament; optional aluminum version; RGB LED rings support multi-color adjustment including yellow, white, and green to match norns screen aesthetics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand-selected LEDs\u003c\/strong\u003e — each LED individually selected for consistent brightness and color accuracy, with a sophisticated diffusion stack: light shields, reflection layers, and frosted acrylic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom ultra-thin encoders\u003c\/strong\u003e — designed in partnership with manufacturers; each unit hand-selected for precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArc4: 256 RGB LEDs\u003c\/strong\u003e — equivalent to a full monome Grid 256; meticulous assembly with multiple 3D-printed diffusion layers and manual QC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser-etched inner back panel\u003c\/strong\u003e — eliminates guesswork when locating I\/O ports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEcosystem compatibility\u003c\/strong\u003e — works with serialosc (Windows\/Mac), norns, VCV Rack Ansible module, and Max\/MSP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-term firmware support\u003c\/strong\u003e — regular updates based on community feedback; unique serial number per unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/llllllll.co\/t\/monome-arc\/71401\"\u003eLines Community Thread\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/monome.org\/docs\/arc\/\"\u003emonome Arc Documentation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123574657221,"sku":null,"price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2025-12-25T04_10_33.516Z-O1CN015F9EhX1I7W7NPi1iI__4611686018427386670-0-fleamarket.jpg_Q90.jpg__1.jpg?v=1777006178","url":"https:\/\/denjhang.com\/products\/monome-arc-clone-ultra-thin-12-5mm-edition","provider":"Denjhang's Retro Hardware","version":"1.0","type":"link"}