SpeedyBee F405 Mini BLS 35A 20x20 Stack

The SpeedyBee F405 Mini BLS 35A 20x20 Stack is an ultra-compact and lightweight flight controller (FC) and electronic speed controller (ESC) combo designed for smaller FPV drones with a 20x20mm mounting pattern. The F405 Mini flight controller features a powerful STM32F405 MCU, a precise ICM42688P gyroscope, a built-in barometer, and an AT7456E OSD chip. It has integrated Bluetooth BLE for easy configuration via the SpeedyBee app. It offers 6 UART ports, DJI Air Unit support (via soldering), 8MB onboard Flash for Blackbox logging, and a built-in current sensor.

The BLS 35A Mini V2 ESC is a 4-in-1 speed controller that delivers a continuous current of 35A per motor (45A burst). It utilizes BLHeli_S firmware and supports DSHOT300/600 protocols. The stack is compatible with 3-6S LiPo power and has a standard 20x20mm mounting hole pattern.

Key Features of F405 Mini Flight Controller:

• STM32F405 MCU and ICM42688P gyroscope ensure stable and precise flight.
• Built-in Bluetooth BLE allows for convenient configuration via the SpeedyBee app.
• DJI Air Unit compatibility (via soldering).
• Built-in barometer and AT7456E OSD chip for added functionality.
• 8MB onboard Flash for logging flight data (Blackbox).

Key Features of BLS 35A Mini V2 ESC:

• Continuous current of 35A per motor (45A burst) for smaller motors.
• BLHeli_S firmware and DSHOT300/600 protocols ensure smooth motor operation.
• Compatible with a wide range of 3-6S LiPo power inputs.
• Compact size and low weight ideal for small drones.

F405 Mini Flight Controller Specifications:

• MCU: STM32F405
• Gyroscope: ICM42688P
• Bluetooth BLE
• Barometer: Built-in
• OSD Chip: AT7456E
• Blackbox: 8MB Onboard Flash
• UART: 6 sets
• DJI Air Unit Compatibility (soldering)
• Current Sensor: Supported (scale 250, offset -500 for SpeedyBee 35A ESC)
• Power Input: 3-6S LiPo
• 5V/9V/3.3V/4.5V Outputs
• Mounting: 20 x 20mm
• Weight: 9.6g

BLS 35A Mini V2 ESC Specifications:

• Firmware: BLHeli_S J-H-40
• Continuous Current: 35A * 4
• Burst Current: 45A (5 seconds)
• Protocols: DSHOT300/600
• Power Input: 3-6S LiPo
• Current Sensor: Supported (scale 250, offset -500)
• Mounting: 20 x 20mm
• Weight: 7.2g

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