The Skystars Mini F7 HDPRO3 + KM55II AM32 FlyStack is the ideal solution for 3" and 5" racing builds. Its 20x20mm format makes it a great fit for compact racing frames, ensuring power and control in every situation. This versatile stack is designed for those seeking reliability and performance.

Check out all our 20x20 stacks, and our SkyStarsRC collection!

Features

• LEDs installed in the four corners; WS2812 programmable LED supported
• Supports serial receivers (SBUS, iBus, Spektrum, Crossfire); Supports 3.3V satellite receiver
• High-performance / low-noise / high-sensitivity IMU; BMI with 6-axis gyro and accelerometer
• Supports DJI HD air modules
• Input voltage 12V-26V (3-6S)
• TVS protect
• Automatic voltage monitoring

Specifications

F722 FC

• MCU: STM32F722RET6 216MHz
• IMU: BMI270 (SPI)
• OSD: Betaflight OSD & DJI HD OSD (UART6)
• 6 hardware UARTS (UART1,2,3,4,5,6)
• 5V 2A & 10V 2A
• Input Voltage: 3-6S Lipo
• Blackbox: 16MB
• Barometer: YES
• Firmware: SKYSTARS F7HD
• Dimensions: 35 x 28 x 7mm
• Mounting Holes: Standard 20mm/M3 square to the center of holes
• Weight: 4.2g

KM55A II 4IN1 ESC

• Voltage: 3-6S LiPo
• Con.Current: 55A Peak
• Current: 70A≥ 10S
• Firmware: AM_32
• Support : Dshot 600
• Mounting hole : 20X20 mm/M3
• BEC: No
• Product size: 35 x 47 x 6.5mm
• Weight: 16.5g

Includes

• 1x Skystars Kramam 55A II AM32 32Bit 3-6S 20×20 4-in-1 ESC
• 1x Skystars F722 Mini HD Pro3 Flight Controller 20×20mm