F405 4S 20A V5 BLHeli_S (ICM42688)
Based on the F405 2-4S 20A V4 brushless flight controller, the F405 4S 20A Toothpick V5 brushless flight controller applies a new ICM42688 gyroscope and ESC chip that comes with BLUEJAY ESC firmware so that it supports two-way D-shot. In addition to the plug&play ports for the receiver and HD Digital VTX like the V4 board, the V5 board is made with a rational layout to facilitate soldering and prevent the solder from jumping to another pad and shorting the components.
Characteristics
- Not only is the flight controller board made with a rational layout, but it is also designed with larger solder pads. It is very easy for pilots to solder external electronics.
- The flight controller can handle a continuous current of 20A and reach a peak current of 25A thanks to the high-quality MOSFETs.
- Directly soldering the motor leads to the pad allows for lower resistance for higher current on the motors. Furthermore, the solder pads are reinforced with thick copper and edge plating process, ensuring solid value and durable use.
- By reserving the UART port layout, UART3 for RX, UART4 for HD digital VTX, UART6 for analog VTX and UART1 for spare use, it is more convenient for pilots to solder.
- Comes with a 25.5*25.5mm whoop mounting pattern, this board can be added to both toothpick drone and whoop quadcopter film frame such as Pavo25 E X-knight 35 .
Technical specifications
FC
- Processor: STM32F405RGT6
- Six axis: ICM42688 (SPI connection)
- Mounting size: 25.5*25.5mm (M2 anti-vibration rubber damper available)
- FC firmware: betaflight_4.3.1_BETAFPVF405
- OSD: Built-in Betaflight OSD (OSD chip: AT7456E)
- Receiver: SBUS/CRSF/DSMX receiver
- BEC: 5V 3A
- Integrated current sensor
- Weight: 8.35g
ESC
- ESC chip: SILABS EFM8BB21F16G-C
- Supports D-shot150, D-shot300, D-shot600, Oneshot125, Multishot, PWM
- Input voltage: 2S-4S Lipo
- Continuous current: 20A
- Peak Current: 25A
- Firmware: G_H_20_48_v0.16.HEX (default BLUEJAY), BLHeli_S (optional)
Note: F405 4S 20A FC V5 is available to flash both BLHeli_S and BLUEJAY ESC firmware and comes with default BLUEJAY firmware. The main difference is that BLUEJAY firmware supports two-way D-shot, while BLHeli_S does not.
Comparison with F405 2-4S 20A V4 FC
We have updated the F4052-4S 20AV4 V5 board by adopting ICM42688 gyroscope instead of MPU6000 and adding some new features. The ICM42688 gyroscope works perfectly in most cases. Except for the gyroscope, the V5 board features a completely new ESC firmware that supports two-way D-shot. The way of connecting the motors has changed and is solderable only on the V5 board. Additionally, the V5 FC card features high-quality materials for stability and durability. The images below show the difference between the two flight controllers.
Note: The V4 F405 2-4S 20A Flight Controller with BMI270 Gyro will be available for purchase for a period of time.
F405 20A AIO FC V5 Toothpick Diagram
The board integrates 2 LEDs, including the Power LED (Red) and the FC LED (Blue).
| DRIVEN | State | Description |
| Power LED (red) | Solid | Power on |
| HR LED (blue) | Solid | Motor armed |
Connection of external RX/HD digital VTX
F405 4S 20A FC V5 integrates the Plug & Play port for external RX and HD digital VTX and in the package there will be a 4-pin connector for RX and a 6-pin connector for HD digital VTX. Therefore, we strongly recommend pilots to use the port to save welding work.
FC and ESC firmware
The default firmware includes the CLI dump file. But if you flash the firmware from the official Betaflight configurator site, you flash a CLI dump file for F405 4S 20A FC V5. We offer the default firmware and CLI dump file for download.
F405 4S 20A FC V5 is available to flash both BLHeli_S and BLUEJAY ESC firmware and comes with default BLUEJAY firmware. The main difference is that BLUEJAY firmware supports two-way D-shot, while BLHeli_S does not. Here are the download links for two firmwares.
Here are the ESC firmware download links. Configure the BLUEJAY firmware via ESC - Configurator or Bluejay Configurator software.
We offer BLHeli_S ESC firmware for pilots. Configure the BLHeli_S ESC firmware via the BLheliSuite, BLHeli - Configurator or ESC - Configurator software.
- Download the BLHeli_S ESC firmware
- Download BLHeliSuite16714902a
- Download BLHeli - Configurator
- Download the ESC - Configurator
Package Included
- 1 * F405 4S 20A Brushless Flight Controller with Toothpick V5 BLHeli_S (ICM42688)
- 1 * Coiled Cable (XT30)
- 1 x 6-pin connector for digital VTX
- 1 x 4-pin connector for RX
- 4 M2x12 screws
- 8 x M2 nuts
- 4 * M2 Anti-vibration Rubber Shock Absorbers
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The lack of conformity exists when the product is not suitable for the use for which it is normally intended, does not conform to the description or does not possess the qualities promised by the seller, does not offer the qualities and performances usual for a good of the same type, is not suitable for the particular use desired by the consumer if brought to the attention of the seller at the time of purchase and accepted by the seller (art. 129 of the Consumer Code).
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