SPECIFICATIONS OF FC
CPU: STM32F411CEU6 ( 100MHZ )
Six-Axis: ICM-20689/MPU-6000
Built-in Receiver: SPI ExpressLRS 2.4G
Receiver antenna: 2.4GHz SMD ceramic antenna
Size: 29mm x 29mm, fully mounting pattern compatible with the whoop frame in the current market
Firmware version: betaflight_4.3.0_STM32F411_norevision
OSD: Built-in BetaFlight OSD
Recommend VTX: >=200mW, like BETAFPV M03 350mW VTX or TBS Unify VTX
Power Cable: 55mm, with BT2.0 connector
Weight: 3.13g (no power cable included)
SPECIFICATIONS OF ESC
Power supply: 1S
Current: 5A continuous and peak 6A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: O_H_5_48_REV16_8.HEX
Signal Support: D-shot150, D-shot300, D-shot600, Oneshot125, Multishot, PWM
Betaflight Firmware and CLI
Since Betaflight has not yet released the official firmware that could supports the SPI ExpressLRS protocol, the current version is the Beta version. Please use the firmware and the CLI dump file below to recovery the FC board if needed. Betaflight will update to their official target soon. Please feel free to contact with us if you have any issues with this Beta version Firmware.
It is normal that there is no any option on Betaflight Configurator Receiver. As show below, the checkbox is blank.
Please change the “PID loop frequency” to “4KHZ” , sometimes it would make the SPI receiver not working correct while the value is “8KHZ”.
Download the firmware and CLI dump file for the F4 1S 5A FC (ELRS 2.4G) board.
How to Bind with Betaflight FC with SPI ExpressLRS Receiver.
More details and discussion on Github about SPI ELRS receiver.
RECOMMENDED PARTS LIST
Battery: BT2.0 300mAh 1S Battery
Frame: Meteor65 frame / Meteor75 frame
Props:31mm 4-Blades props(for 65mm frame) / 40mm 4-blades props (for 75mm frame)
Motors: 0603 motors / 0703 motors / 0802 motors
VTX: M03 25-350mW VTX
DIAGRAM
Larger motor pad for conveniencty solder directly.
PACKAGE
1 * F4 1S brushless flight controller (BT2.0 Connector)
4 * M1.2x4mm screws
4 * M1.4x5mm screws
4 * Anti-vibration rubber dampers
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
CONTACT US
RETURNS POLICY
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SHIPPING
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
