BETAFPV F4 1S 5A AIO Brushless Flight Controller (Serial ELRS 2.4G)

Specification of FC

CPU: STM32F411CEU6 (100MHZ)
Six-Axis: BMI270
Built-in Receiver: Serial ExpressLRS 2.4G
Receiver 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

Power Cable: 55mm, with BT2.0 connector
Weight: 3.6g(ELRS), without power cable and BT2.0 connector

Specification of 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

The BLHeli_S firmware could support the BB51 hardware now. This board is powered by BB51 hardware. If you want to setup the ESC specification, please use the BLHeliSuite16714902A_Beta or ESC-Configurator.

Recommend Parts

Battery: BT2.0 300mAh 1S Battery

Frame: Meteor65 frame / Meteor65 Pro frame / Meteor75 frame

Props: 31mm 4-Blades props (for 65mm frame) / 35mm 3-blade props (for 65mm frame) / 40mm 4-blades props (for 75mm frame)
Motors: 0603 motors / 0703 motors / 0802 motors

VTX: M03 25-350mW VTX

Package

1 * F4 1S 5A AIO Brushless Flight Controller (Serial ELRS 2.4G)
4 * M1.2x4mm Screws
4 * M1.4x5mm Screws
4 * Anti-vibration Rubber Dampers

BETAFPV F4 1S 5A AIO Brushless Flight Controller (SPI Frsky V3.0)

Specification of FC

CPU: STM32F411CEU6 (100MHZ)
Six-Axis: BMI270
Built-in Receiver: SPI CC2500 (Frsky)
Receiver antenna: Line antenna
FC Size: 30*30mm
Mounting Hole Size: 26*26mm
Firmware version: betaflight_4.2.11_BETAFPVF411RX (Frsky)
OSD: Built-in BetaFlight OSD
Blackbox: 8MB
Recommend VTX: >=200mW, like

Power Cable: 55mm, with BT2.0 connector
Weight: 3.64g (with motor connectors), excluding power cable

Specification of ESC

Power supply: 1S
Current: 5A continuous and peak 6A (3 seconds)
ESC firmware: A_X_5_.HEX for Bluejay BB51 hardware
Signal Support: D-shot150, D-shot300, D-shot600, Oneshot125, Multishot, PWM

SPI Frsky RX

Come with the built-in SPI Frsky Receiver (CC2500 chip), F4 1S 5A AIO FC can be compatible with Futaba S-FHSS, Frsky D8, and D16 protocol. The default protocol is configured to Frsky D16 FCC out of the factory. Pilots could set up the protocol according to your own need in Betaflight Configurator.

Configuration

Protocol

FRSKY_D

Frsky D8

FRSKY_X

Frsky D16 FCC (ACCST 1.X version)

FRSKY_X_LBT

Frsky D16 LBT (ACCST 1.X version)

SFHSS

Futaba S-FHSS

Betaflight Firmware and CLI

F4 1S 5A AIO Brushless Flight Controller comes with the default firmware betaflight_4.3.0_BETAFPVF411 (ELRS) or betaflight_4.2.11_BETAFPVF411RX (Frsky). 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 Betaflight firmware 4.3.0 and up start to support this BMI270 gyro. For the SPI Frsky version, DO NOT flash the other firmware, otherwise, the RX will be lost in control at a very close range. We have already built our own firmware betaflight_4.2.11_BETAFPVF411RX for SPI Frsky RX version to support BMI270 gyro. Please check the below link to download the firmware.

Download the firmware and CLI dump file for the F4 1S 5A FC ELRS/Frsky board. (Both Light and Classical versions share the same firmware)

Note: The RX RSSI values drop when the flight controller is installed on the quadcopter with HD digital VTX (Walksnail or HDZero). For example, the theoretical failsafe RSSI values for 250Hz packet rate are -108dBm. Actually, the RX will be possibly lost in control when the RX RSSI values reach about -92dBm.

Bluejay ESC Firmware

F4 1S 5A flight controller with BB51 ESC hardware could flash the Bluejay ESC firmware now, which is based on BLHeli_S revision 16.7. With Bluejay ESC firmware, it supports bidirectional D-shot and RPM filtering in Betaflight, offers 24KHz, 48KHz, and 96KHz fixed PWM frequency for options, and custom start-up melodies. By using Bluejay ESC firmware on Meteor65 and Meteor65 Pro whoop drones with 0802SE 19500KV motors, the flight time is increasing effectively. The default firmware for F4 1S 5A FC will be changed to Bluejay ESC firmware.

For pilots who want to flash Bluejay ESC firmware for F4 1S 5A FC, please use the BLHeliSuite16714902A_Beta or ESC-Configurator and download Bluejay ESC firmware A_X_5_.HEX from the below links. (Both Light and Classical versions share the same firmware)

Note: Only SPI ELRS 2.4G version supports motor direction set through Betaflight Configurator and SPI Frsky version does not support it. BLHeli Configurator and Bluejay Configurator are invalid for the BB51 ESC (both versions).

Connecting External RX/HD Digital or Analog VTX

Both Serial ExpressLRS 2.4G RX and SPI Frsky RX version support external HD digital VTX or Analog VTX. Please note that the SPI Frsky RX version reserves an SBUS port and a UART port, which is available for the SBUS protocol receiver or other external receivers. You can refer to the below picture. The diagram is the same for Classical and Light version.

Recommend Parts

Battery: BT2.0 300mAh 1S Battery

Frame: Meteor65 frame / Meteor65 Pro frame / Meteor75 frame

Props: 31mm 4-Blades props (for 65mm frame) / 35mm 3-blade props (for 65mm frame) / 40mm 4-blades props (for 75mm frame)
Motors: 0603 motors / 0703 motors / 0802 motors