Product overview
The iFlight BLITZ F7 Stack (E55S 4-IN-1ESC) combines a BLITZ F7 V1.2 flight controller with a BLITZ E55S 4-in-1 ESC for recreational flight applications. The flight controller uses an STM32F722 MCU, ICM42688 gyro, DPS310 barometer and AT7456E OSD chip, with 32MB of Blackbox flash. Six UARTs provide connections for video transmission, a receiver, GPS or other serial sensors, and ESC telemetry. A plug-and-play DJI HD VTX connector requires no soldering, while indicator LEDs support visual debugging.
The flight controller incorporates an LC filter and supplies 5V 2.5A / 9V 2A BEC outputs. Its 36.5*35 mm board weighs 7.8g and uses a 30.5*30.5mm mounting pattern with 4mm PCB holes. The 14.7g ESC also uses 30.5*30.5mm mounting holes with a Φ4mm diameter, accepts 2-6S LiPo input and includes a current sensor, with no BEC. The package supplies the flight controller, 4-in-1 ESC and a screw bag. The stack is for recreational use only and does not support autonomous flight.

