{"product_id":"dolphinrc-f405-v3-50a-60a-stack","title":"DolphinRC F405 V3 50A 60A STACK","description":"\u003c!-- SOP:v1.6 | 2026-08-18 | executor:Sidekick --\u003e\n\u003cp\u003eThe \u003cstrong\u003eDolphinRC F405 V3\u003c\/strong\u003e is a 30.5×30.5mm FC\u0026amp;ESC stack built for pilots who want Betaflight, INAV, and ArduPilot compatibility in a single compact package. The F405 V3 flight controller pairs an STM32F405 processor with an ICM-42688-P gyro, 16MB blackbox, dual camera input, and a dedicated DJI O4 Air Unit port. The AM32 ESC is available in 50A and 60A versions — both using AT32F421 MCU with programmable PWM up to 48KHz and Sytech 3OZ copper gold-plated PCB for reliable high-current performance on 2–6S builds.\u003c\/p\u003e\n\u003cp\u003eAvailable as a complete stack (FC+ESC), or as individual FC \/ ESC units — select from the variant dropdown.\u003c\/p\u003e\n\u003ch3 id=\"key-features\" style=\"scroll-margin-top: 100px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e✅ \u003cstrong\u003eSTM32F405 + ICM-42688-P\u003c\/strong\u003e — High-performance MCU and gyro combination; supports Betaflight, INAV, and ArduPilot firmware out of the box.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eAM32 ESC (50A or 60A)\u003c\/strong\u003e — AT32F421 MCU running AM32 firmware with programmable PWM up to 48KHz. 60A version uses 40V dual MOSFETs (5×6mm) for high-current 6S builds.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eDJI O4 Air Unit Port\u003c\/strong\u003e — Dedicated 6-pin O4 Air Unit connector on the FC; DJI 6-pin cable included. No adapter required for DJI digital FPV integration.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eSwitchable Dual Camera Input\u003c\/strong\u003e — Toggle between two analog camera inputs directly from Betaflight or INAV without additional hardware.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eTriple BEC Output\u003c\/strong\u003e — 3.3V\/0.5A, 5V\/3A, and 12V\/2.5A (switchable to 10V\/2.5A). BEC switch reduces VTX heating during extended flights.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003e6× UART + Softserial\u003c\/strong\u003e — 6 hardware UARTs plus 1 Softserial TX option (INAV\/BF); 10 PWM outputs (8× Dshot compatible).\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003e16MB Onboard Blackbox\u003c\/strong\u003e — Built-in flash for full Betaflight\/INAV blackbox logging without a MicroSD card.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eSytech 3OZ Gold-Plated PCB\u003c\/strong\u003e — Premium copper PCB with gold plating for superior conductivity, heat dissipation, and long-term reliability.\u003c\/p\u003e\n\u003ch3 id=\"specifications\" style=\"scroll-margin-top: 100px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp style=\"font-weight: 600; color: #1a2b3c; margin-bottom: 4px;\"\u003eFC — DolphinRC F405 V3\u003c\/p\u003e\n\u003cdiv style=\"background-color: #1a2b3c; color: #ffffff; display: flex; align-items: center; padding: 10px 14px; border-radius: 6px 6px 0 0; font-size: 14px; font-weight: 600;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eParameter\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eValue\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eMCU\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eSTM32F405RGT6, 168MHz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eGyro\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eICM-42688-P\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eBarometer\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eSPL06-001\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eOSD\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eAT7456E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eBlackbox\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e16MB onboard flash\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eInput Voltage\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e6–30V (2–6S LiPo)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eBEC Output\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e3.3V\/0.5A + 5V\/3A + 12V\/2.5A (or 10V)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eUART\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e6× + 1× Softserial TX\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003ePWM Outputs\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e10× (8× Dshot compatible)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eFirmware\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eBetaflight (default) \/ INAV \/ ArduPilot\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eMounting\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e30.5×30.5mm \/ ×4mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eDimensions\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e36×36×8mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px; border-radius: 0 0 6px 6px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eWeight\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e8g\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-weight: 600; color: #1a2b3c; margin: 16px 0 4px 0;\"\u003eESC — DolphinRC AM32 4-in-1 (50A \/ 60A)\u003c\/p\u003e\n\u003cdiv style=\"background-color: #1a2b3c; color: #ffffff; display: flex; align-items: center; padding: 10px 14px; border-radius: 6px 6px 0 0; font-size: 14px; font-weight: 600;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eParameter\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eValue\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eMCU\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eAT32F421, 120MHz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eFirmware\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eAM32 (AT32DEVF421)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eContinuous Current\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e45A (50A ver.) \/ 60A (60A ver.)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003ePeak Current\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e50A (50A ver.) \/ 65A (60A ver.) — 10s\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003ePWM Frequency\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eUp to 48KHz (programmable)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eInput Voltage\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e6–30V (2–6S LiPo)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eCurrent Sensor\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eSupported (Scale=150, Offset=0)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eTVS Protection\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eSMBJ24A 26V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eMounting\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e30.5×30.5mm \/ ×4mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eDimensions\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e45×41×6mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px; border-radius: 0 0 6px 6px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eWeight\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e3g\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"color: #666666; font-size: 13px;\"\u003e\u003cem\u003eSpecifications sourced from DolphinRC official documentation. Verify with the latest documentation before building.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"background-color: #fff8e0; padding: 12px 14px; border-left: 4px solid #FFBF00; border-radius: 4px; margin: 15px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e ESC current meter settings in Betaflight: Scale=150, Offset=0. The 12V BEC is switchable to 10V via firmware — verify VTX input voltage before connecting. Always confirm motor rotation direction with a brief throttle test (props removed) before first flight. TVS protection rated at 26V — do not exceed 6S input voltage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Parts \u0026amp; Collections:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/soarskyrc.com\/collections\/dolphin-rc\" title=\"DolphinRC Products at SoarSky\"\u003eDolphinRC Products at SoarSky \u003c\/a\u003e— Browse the full DolphinRC lineup\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"Soarsky%20RC%20FPV%20Drone%20Parts\" title=\"https:\/\/soarskyrc.com\/collections\/fpv-drone-parts\"\u003eFPV Drone Parts Collection \u003c\/a\u003e— Motors, frames, VTX, and accessories for your build\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/soarskyrc.com\/collections\/fpv-flight-controller\" title=\"Soarsky RC FPV Drone Flight Controller\"\u003eFPV Flight Controllers at SoarSky \u003c\/a\u003e— All FC stacks and standalone controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; margin-top: 24px;\"\u003e\u003cstrong\u003eReady to build your next FPV quad?\u003c\/strong\u003e\u003cbr\u003eSelect your variant and add the DolphinRC F405 V3 Stack to your cart today.\u003c\/p\u003e","brand":"DolphinRC","offers":[{"title":"F405-50A Stack","offer_id":51876481401117,"sku":null,"price":54.59,"currency_code":"USD","in_stock":true},{"title":"F405-60A Stack","offer_id":51876481433885,"sku":"SS-202608SID695","price":59.59,"currency_code":"USD","in_stock":true},{"title":"F405 FC","offer_id":51876481466653,"sku":null,"price":29.49,"currency_code":"USD","in_stock":true},{"title":"50A ESC","offer_id":51876481499421,"sku":null,"price":29.49,"currency_code":"USD","in_stock":true},{"title":"60A ESC","offer_id":51876481532189,"sku":null,"price":34.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4013\/1357\/files\/Dolphinrc-f405-v3-60a-stack-1.jpg?v=1781414775","url":"https:\/\/soarskyrc.com\/en-de\/products\/dolphinrc-f405-v3-50a-60a-stack","provider":"SoarSky","version":"1.0","type":"link"}