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Get it between 2025-01-28 to 2025-02-04. Additional 3 business days for provincial shipping.
【Serial ELRS】Compared to the previous version, this new board uses Serial ExpressLRS 2.4G instead of SPI ELRS 2.4G so that it can support ExpressLRS V3.0. Pilots can flash any version of ELRS RX firmware via Wi-Fi or Betaflight serial passthrough.
【Gyro&ESC Hardware】We updated the FC with high-quality BMI270 gyro and BB51 ESC hardware. If you want to setup the ESC specification, please use the BLHeliSuite16714902A_Beta or ESC-Configurator.
【8MB BlackBox】Built-in an 8MB flash memory chip dedicated to Blackbox logging. It’s an extremely powerful tool for tuning and troubleshooting an FPV drone.
【Cross Shape】F4 1S 5A AIO FC adopts the classic cross shape design with only 3.6g ultralight weight, reasonable layout, and easy to build. With a 26*26mm mounting hole size, it is fully compatible with the whoop frame in the current market. Especially suitable for the weight sensitive 65/75mm wheelbase micro whoop drones.
【Technical Support & Warranty】BETAFPV has a professional team and considerate after-sales service. If you have any issues with its technical or quality, BETAFPV guarantees to serve you!
Notice: The BLHeli_S firmware could support the BB51 hardware now. This board is powered by BB51 hardware. BetaFlight Configurator, BLHeli Configurator, and Bluejay Configurator are invalid for the BB51 ESC now. Serial ELRS 2.4G RX uses the Crossfire serial protocol (CRSF protocol) to communicate between the RX and the FC board. So the Serial ELRS 2.4G RX is available to support upgrading to ELRS V3.0 with no need to flash Betaflight FC firmware. Enter binding status by power on/off three times. Plugin and unplug the FC three times; Make sure the RX LED is doing a quick double blink, which indicates the RX is in bind mode; Make sure the RF TX module or radio transmitter enters binding status, which sends out a binding pulse; If the RX has a solid light, it's bound. Betaflight Firmware and CLI F4 1S 5A AIO Brushless FC comes with the default firmware betaflight_4.3.1_BETAFPVF411 (ELRS). The default firmware for Serial ExpressLRS 2.4G RX version supports ELRS V2.4 RX. Pay attention, For the Serial ExpressLRS 2.4G version, ONLY the newest Betaflight firmware 4.3.1 start to support this BMI270 gyro. FC CPU: STM32F411CEU6 (100MHZ) Six-Axis: BMI270 Built-in RX: Serial ExpressLRS 2.4G RX antenna: Line antenna FC Size: 30*30mm Mounting Hole Size: 26*26mm Firmware version: betaflight_4.3.1_BETAFPVF411 (ELRS) OSD: Built-in BetaFlight OSD Blackbox: 8MB Recommend VTX: >=200mW, like BETAFPV M03 VTX or TBS Unify VTX Power Cable: 55mm, with BT2.0 connector Weight: 3.6g(ELRS)without BT2.0 power cable ESC Power supply: 1S Current: 5A continuous and peak 6A (3 seconds) ESC firmware: A_X_5_.HEX for BB51 BLHeli_S hardware Signal Support: D-shot150, D-shot300, D-shot600, Oneshot125, Multishot, PWM Package 1 * F4 1S 5A AIO Brushless FC (ELRS) 4 * M1.2x4mm Screws 4 * M1.4x5mm Screws 4 * Anti-vibration Rubber Dampers