{"product_id":"ratefpv-f4v4-f435-40a-mini-stack-for-fpv-racing-drones","title":"RATEFPV F4V4 F435 40A Mini Stack For FPV Racing Drones","description":"\u003cp\u003eThe RATEFPV F4V4 F435 40A AIO Flight Stack delivers race-proven performance with hassle-free setup for US\/EU FPV pilots. Powered by the AT32F435 288MHz MCU (34% faster than STM32F722)[4] and paired with a 40A 32-bit ESC, this all-in-one stack delivers responsive, reliable power for smaller than 2006 motors. Built-in Bluetooth wireless tuning eliminates messy wires, while a receiver direct plug-in design lets you bind and fly in seconds—perfect for beginners and seasoned builders alike. With integrated OSD and robust thermal\/electrical protection, it’s the ultimate balance of speed, ease, and durability.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u003c\/h3\u003e\n\u003cdiv data-page-id=\"ZcQ3fuGiQd81y3c6nRNcEixSnNd\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003ch3\u003e1.Blazing-Fast Performance \u0026amp; Precision Control\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAT32F435 288MHz MCU\u003c\/strong\u003e: Delivers 34% more computing power than STM32F722, supporting dual 8K + bidirectional DSHOT for lightning-quick responses.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e42688P Gyro + Clock Synchronization\u003c\/strong\u003e: Ensures precise timing, zero-lag command execution, and smooth, accurate maneuvers for racing and freestyle.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e32-bit Professional ESC Firmware\u003c\/strong\u003e: Linear, smooth power delivery with no hesitation; 40A continuous current handles high-frequency flight.\u003c\/div\u003e\n\u003ch3\u003e2. Effortless Setup \u0026amp; Wireless Tuning\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth Wireless Tuning\u003c\/strong\u003e: Adjust parameters directly via your phone—no wires, no hassle. Tune on the go without a computer.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReceiver Plug-and-Play\u003c\/strong\u003e: No soldering required; mount, bind, and fly in minutes. Saves setup time and reduces build errors.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntegrated Analog UART OSD\u003c\/strong\u003e: Displays real-time flight data (voltage, altitude, RSSI) on your FPV screen, keeping you informed and safe.\u003c\/div\u003e\n\u003ch3\u003e3. Durability \u0026amp; Reliability\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLarge Pad Design\u003c\/strong\u003e: Enlarged soldering pads for firm connections and long-term durability.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHigh-Redundancy Design\u003c\/strong\u003e: 40A high-performance MOSFETs prevent burnout and ensure stable output under load.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOvercurrent \u0026amp; Overheat Protection\u003c\/strong\u003e: 32-bit firmware optimizes power efficiency; built-in protection safeguards your FPV build.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaster Control:\u003c\/strong\u003e STM32F435\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eGyroscope:\u003c\/strong\u003e ICM42688\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eBarometer\u003c\/strong\u003e: SPL06\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eOSD Chip: \u003c\/strong\u003eRATE MSP OSD\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eBlack Box: \u003c\/strong\u003e16MB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eLED Programming:\u003c\/strong\u003e Support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eBB Sound:\u003c\/strong\u003e Support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 3-6S\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eI2C Interface\u003c\/strong\u003e: Support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eBEC:\u003c\/strong\u003e 5V3A\/10V2A(HD)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: FC 5.2g ESC 6.3g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eCamera Input\u003c\/strong\u003e: Support\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eSize\u003c\/strong\u003e: FC 29.7X28.6X6.1mm; ESC 30X30X5.6mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/1_ddb2744d-93bb-4fc5-acf5-67f2bb49e4a8.png?v=1776234800\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/English_1bac1be5-7f82-4bdd-bec4-ce7489caa40d.png?v=1776234635\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/English_2_84d067f8-a8d1-43c3-9d20-c9a39725c051.png?v=1776234656\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/English_3_89962b66-bca1-45f1-9220-cdaea73832c1.png?v=1776234672\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/English_d9e3c956-17ff-488d-bddf-8812126657f2.png?v=1776234822\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/English_2_afcd81c9-a946-478b-8b8d-17ffcae828c0.png?v=1776234839\" alt=\"\"\u003e\u003c\/p\u003e","brand":"RATEFPV","offers":[{"title":"F435 40A Mini Stack(V4 32-bit\/40A ESC with Bluetooth)","offer_id":53633315668336,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"F405 40A Mini Stack","offer_id":53638201147760,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"F722 40A Mini Stack","offer_id":53633357119856,"sku":null,"price":54.99,"currency_code":"USD","in_stock":true},{"title":"ONLY F435 FC","offer_id":53692796076400,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true},{"title":"ONLY F405 FC","offer_id":53692796109168,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true},{"title":"ONLY F722 FC","offer_id":53692796141936,"sku":null,"price":33.0,"currency_code":"USD","in_stock":true},{"title":"ONLY 40A ESC","offer_id":53692796174704,"sku":null,"price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/9639\/1024\/files\/01_c19ad2d0-da06-4915-a932-4d5d743324d8.png?v=1776396506","url":"https:\/\/ratefpv.com\/products\/ratefpv-f4v4-f435-40a-mini-stack-for-fpv-racing-drones","provider":"RATEFPV","version":"1.0","type":"link"}