SpeedyBee F405 Mini BLS 35A 20x20 Stack
by Speedybee

Introducing the SpeedyBee F405 Mini BLS 35A 20x20 Stack - the perfect solution for drone enthusiasts seeking rich features at an unbelievable price! This stack combines an upgraded F405 flight controller chip with a powerful 35A 4-in-1 BLHeliS Mini ESC, providing superior performance for your quadcopter. Let's delve into the remarkable features that make this stack a must-have:

F405 Flight Controller:

• Performance Upgrade: Utilizes an upgraded F405 flight controller chip, outperforming the F411.
• Bluetooth Connectivity: Built-in Bluetooth chip for seamless wireless Betaflight tuning via the SpeedyBee App.
• Versatile Ports: 4 available UART ports, supporting connectivity to all DJI Air Units.
• Dual BEC Setup: 5V 2A and 9V 3A outputs for efficient power distribution.
• Wireless Tuning: Tune flight controller and ESC wirelessly through the SpeedyBee App.

35A 4-in-1 BLHeliS Mini ESC:

• Powerful Output: Continuous current of 35A, suitable for 2-4 inch and lightweight 5-inch quadcopters.
• Enhanced Protection: TVS transient suppression diode onboard for surge voltage absorption.
• Wireless Motor Direction Change: Change motor directions wirelessly through the SpeedyBee App.

Clean Gyroscope Power Supply:

• Stable Power: Equipped with MaxLinear's LDO power supply chip for independent and stable gyro power.
• Precise Responsiveness: 100uF ultra-large filtering tantalum capacitor for interference-free gyro data.

Battery Monitoring and Indicator:

• Instant Battery Check: 4-level battery capacity indicator on the side of the flight controller for quick status checks.

DJI Air Unit Compatibility:

• Versatile BEC: Two independent 9V 3A and 5V 2A BEC, supporting various analog image transmissions above 5V.
• M2/M3 Compatibility: Perfectly compatible with M2/M3 screws, offering flexibility in frame compatibility.

Specs Overview:

• Power Input: 3-6S LiPo
• Mounting: 20 x 20mm, Compatible with M2 and M3 screws/Silicone grommets
• Dimensions: 32mm(L) x 35mm(W) x 14.2mm(H)
• Weight: 13.5g

Flight Controller Details:

• MCU: STM32F405
• Bluetooth: Supported for parameter configuration via SpeedyBee App.
• Wireless Firmware Flashing: Not supported.
• DJI Air Unit Connection: Direct soldering, compatible with various DJI Air Units.
• Blackbox: 8MB Onboard Flash
• Current Sensor Input: Supported for SpeedyBee BLS 35A V2 ESC.

ESC Details:

• Firmware: BLHeli_S J-H-40
• Continuous Current: 35A * 4
• ESC Protocol: DSHOT300/600
• Power Input: 3-6S LiPo
• Dimensions: 35 * 35 * 5.5mm
• Weight: 7.2g

Upgrade your drone experience with the SpeedyBee F405 Mini BLS 35A 20x20 Stack - powerful, feature-rich, and budget-friendly!

LINK TO MANUAL