{"product_id":"fpv-flight-controller-board-36x36mm-elrs-ready-45a","title":"FPV Flight Controller Board 36x36mm ELRS Ready 45A | K1KF","description":"\u003ch2\u003eFPV Flight Controller Board 36×36mm | ELRS Ready | 45A Current Class\u003c\/h2\u003e\n\u003cp\u003eTake your FPV build to the next level with this compact, all-in-one \u003cstrong\u003e36×36mm FPV Flight Controller Board\u003c\/strong\u003e. Designed for efficiency and ease of assembly, this board integrates control electronics, power distribution, and an ELRS receiver-ready area into a single clean layout — perfect for new builds, stack replacements, or repair projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Board Layout:\u003c\/strong\u003e Combines flight control electronics, power distribution structure, and a receiver-ready design in one compact board for cleaner stack planning during assembly or replacement work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e36×36mm Mounting Footprint:\u003c\/strong\u003e The 3.60×3.60×0.85 cm (approx. 1.42×1.42×0.33 inch) profile gives builders a precise size reference for stack placement, wiring space, and fit checks in compatible FPV setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLabeled Connection Pads:\u003c\/strong\u003e Clearly marked battery input, video transmitter (VTX), and external receiver pads help you identify wiring points quickly during setup, tuning, or service work — reducing build time and errors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eELRS Receiver-Ready Design:\u003c\/strong\u003e Features a dedicated ELRS-labeled receiver area and integrated antenna connection layout, ideal for FPV builds that require a receiver-ready control board format.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e45A Current Class:\u003c\/strong\u003e Rated for up to 45A, providing ample headroom for high-performance FPV drone configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Port Access:\u003c\/strong\u003e Convenient service port access makes tuning, firmware updates, and maintenance straightforward without full disassembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle Board Package:\u003c\/strong\u003e Includes 1 flight controller board for assembly or direct replacement use — easy to source without unconfirmed accessories or software add-ons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 3.60 × 3.60 × 0.85 cm \/ 1.42 × 1.42 × 0.33 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 × 36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × FPV Flight Controller Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow 1–2 cm tolerance due to manual measurement. Verify dimensions before ordering.\u003c\/li\u003e\n  \u003cli\u003eColors may vary slightly due to differences between monitor settings and actual product appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the mounting hole pattern for this FPV flight controller board?\u003c\/h4\u003e\n\u003cp\u003eA: This FPV flight controller board uses a standard \u003cstrong\u003e36×36mm mounting footprint\u003c\/strong\u003e, which is a widely compatible size for many FPV drone frames and stacks. Always verify your frame's stack spacing before ordering to ensure a proper fit.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this board compatible with ELRS (ExpressLRS) receivers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board features a dedicated \u003cstrong\u003eELRS receiver-ready area\u003c\/strong\u003e with an integrated antenna connection layout, making it suitable for FPV builds that use ExpressLRS receivers for low-latency control links.\u003c\/p\u003e\n\u003ch4\u003eQ: What current rating does this flight controller board support?\u003c\/h4\u003e\n\u003cp\u003eA: This board is rated for a \u003cstrong\u003e45A current class\u003c\/strong\u003e, which provides suitable headroom for a range of high-performance FPV drone builds. Always verify that your motors, ESCs, and battery are matched to this rating during your build planning.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this board come with any additional accessories or software?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes \u003cstrong\u003e1 flight controller board only\u003c\/strong\u003e. No additional accessories, cables, or software are included. This makes it a straightforward replacement or build component without unconfirmed extras.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the mounting hole pattern for this FPV flight controller board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This FPV flight controller board uses a standard 36×36mm mounting footprint, which is a widely compatible size for many FPV drone frames and stacks. Always verify your frame's stack spacing before ordering to ensure a proper fit.\"}}, {\"@type\": \"Question\", \"name\": \"Is this board compatible with ELRS (ExpressLRS) receivers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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