RaceStar AirF7 User Manual

Racerstar airF7

Revision 08.08.2019

Technical data

MCU F722
Flash 128Mb(16MB)
BEC 1 +1
UART 6
OSD AB7456
BT Yes(optional)
VTX Power siwtch Yes
Mounting Holes M4/30.5x30.5mm

• Firmware, please use Racerstar AirF7(Not Airbot F7)

Overview

airF7 combins the most useful features for FPV on one board.It using F722 MCU with ICM gyro for the best
performance, the soft mount grommets plus speical designed filiter Circuit bring you the most "MPU6000 like"
stability with ICM responding speed.

Highlight

• Speical designed filiter system "Good Dream", will reduce most noise from power line

• Modular design, many PNP modules is coming, different BEC/BT/Receiver could be mounted on FC
without ext. wires

• Highside video power switch function, cut off the VTX and camera power like real switch

• 6x Hardware UART + 1 independent I2C, every function one independent port, no more Multiplexing

• Airbot Configuration assistant supported, easier to config the functions for the FC

• Supported by EMUflight

Features

• STM32F722 MCU

• AB7456 OSD onboard

• 128mb(16MB) Flash for blackbox

• ICM Gyro

• 5V 3A BEC

• 9V 3A BEC(optional)

• BT module supported(optional)

• Receivers could be pluged and mounted direct on the FC(Frsky RXSR-FC and Cross fire RX)

• Highside video power switch

• Build in power filter system for main power and VTX/Camera power

• 6 UART

• 1x independent I2C(not need to share UART3)

• Independent 3.3v power source for senors and digital device

• "Strong pad" design, all solder pads has spare or through holes, no worry about ripped off solder pads

Resources:

Function

SBUS / F.port F.P TX4 PA0

DSM2 / FPC RX TX1 TX 1 PA9 CLI: serialrx_halfduplex set to ON (For DSM)

Smart Audio VTX S/A TX 5 PC12

ESC Telemetry TLM TX 2 PA2 CLI: set esc_sensor_halfduplex = ON

Camera Control CC PA8

WS2812B LED LED PA15

:

SDA SDA I2C1_SDA PB9 Ext. Pull up needed
SCL SCL I2C1_SCL PB8
GPS RX3/TX3 UART 3 PA10/11

Buzzer Bz-/Bz+ PB0

Solder Pad
Silk screen

Resouces MCU Pin Notes

Camera BEC FC BEC(5V)BT Module

For No-Camera BEC version, short these green points will power the FC by VBAT