MAMFU F722 BT DUAL Flight Controller Instructions
This document provides instructions and specifications for the MAMFU F722 BT DUAL Flight Controller, designed for DJI HD Ducted FPV Racing applications.
Product Overview
The product is a flight controller for an FPV racing drone. The drone features four ducted fans for propulsion.
Specifications
| Specification | Details |
|---|---|
| Size | 36.5 * 36.5mm |
| Weight | 8.2g |
| Hole distance | 30.5 * 30.5mm |
| Processor | STM32F722RET6 216MHz |
| Gyroscope | MPU6000 & Dual ICM20689 (32K) |
| Barometer | BMP 280 |
| OSD chip | AT7456E |
| Black box | 16MB |
| BEC1 | 5V-2A |
| BEC2 | 9V-3A (Camera and VTX power supply, can be turned on and off through USER2) |
| Input voltage | 2-6S lipo (7.4V-26V) |
| Dual camera input | V IN 1 and V IN 2 dual signals, default V IN 1 (switch through USER1) |
| Serial control port | 6 channels |
| Bluetooth | Support Bluetooth (port UART4, baud rate 115200, name JHEMCU) |
| Flight control firmware | Betaflight JHEF7AUALI.hex |
| Serial digital receiver port | SBUS/IBUS/DSM for UART2 (DJI Air Unit DJI HDL is SBUS) |
Recommended Components
| Component | Recommendation |
|---|---|
| Brand Name | AURORA RC |
| Drone Name | MAMFU |
| Flight Controller | F722 BT DUAL |
| ESC | BLHELI_S 40A 4IN1 |
| Motor | T-MOTOR F1507 2700KV |
| Propeller | Gemfan 75MM 3-Bladed |
| Camera & VTX | DJI Air Unit HD VTX Camera |
| Battery | 4-6s 800-1300mah Lipo XT60 (Not Included) |
Flight Controller Board Layout
The flight controller board features various ports and indicators. Key connections include a USB port for programming, a BOOT button, GND, +5V, LED, VIN1, VIN2, +5V, +9V, GND, TX3, VOUT, GND, TX6, RX6, R5, M5, RX5, TX5, SCL, SDA, M6, RX6, TX6, M4, M3, M2, M1, CURR, RX1, TX1, 4.5V, 3.3V, GND, RX2, TX2, RX4, TX4, RX3, TX1, RSSI, BZ-, BZ+, GND, +5V LED. It also has a BEC indicator light and chips labeled 'CC2541' and 'STM32F722'.
How to Use Bluetooth App
The flight controller is equipped with a Bluetooth module, allowing direct connection to a mobile phone app for setting flight control parameters anytime and anywhere.
App Name: Speedy Bee App
Software Download Address: www.speedybee.com/speedy-bee-app/
Connection Steps:
- Turn on your phone's Bluetooth and open the Speedy Bee app.
- Click on the searched JHEMCU device to connect to the flight controller.
- Flight control parameters can now be set via your phone.
Screenshots of the Speedy Bee app are provided, showing the interface for device scanning, connection status, and parameter settings. One screenshot displays a list of Bluetooth devices, including 'JHEMCU D8 A9:88:92:86:A3'. Another shows the app in a demo mode with flight data such as heading (355 deg), pitch (0.6 deg), and roll (0.2 deg).
How to Match the DJI Air Unit
For instructions on matching the DJI Air Unit, please refer to the attached manual.
We wish you have fun with it.