SpeedyBee F7 Mini 35A 3-6S 8-bit Flight Controller Stack User Manual
- June 15, 2024
- SpeedyBee
Table of Contents
User Manual V1.0
SpeedyBee F7 35A BLS Mini Stack
Part 1 – OverView
Specs Overview
| Product Name | SpeedyBee F7 35A BLS Mini Stack |
|---|---|
| Flight Controller | SpeedyBee F7 Mini |
| ESC | SpeedyBee 35A BLS Mini 4-in-1 ESC |
| Bluetooth | Suppoked. For FC & ESC parameter setting |
| Wireless FC Firmware Flashing | Not suppoked |
| Wireless Blackbox Download | Not suppoked |
| Power Input | 3-6S LiPo |
| Mounting | 20 x 20mm 3.5mm hole size, Compatible with M2 and M3 |
screws/Silicone grommets
Dimension| 32mm(L) x 35mm(W) x 13mm(H)
Weight| 12.7g
Dimensions
Package
- SpeedyBee F7 Mini Flight Controller x 1
- SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC x 1
- Manual & App Download Card x 1
- XT30 Power Cable(Length: 7cm) x 1
- 8pin JST cable(For FC & ESC Connection） x 1
- 35V 470uF Capacitor x 1
- M2 Accessories
- M2(Diameter) * 20mm(Length) Screw x 4
- M2(Diameter) * 25mm(Length) Screw x 4
- M2(Hole Diameter) * 6.6mm(Height) Anti-vibration Silicone Grommets x 9
- M2 Silicone O-Ring x 5
- M2 Nylon Hex Nut x 5
- M3 Accessories
- M3(Diameter) * 20mm(Length) Screw x 4
- M3(Diameter) * 25mm(Length) Screw x 4
- M3(Hole Diameter) * 6.6mm(Height) Anti-vibration Silicone Grommets x 9
- M3 Silicone O-Ring x 5
- M3 Nylon Hex Nut x 5
FC & ESC Connection
Use any end of the 8-pin JST cable to connect the FC to the ESC. 
Part 2 – SpeedyBee F7 Mini Flight Controller
Layout
∎ LED Indicator Definition
RED LED – Power Indicator.Solid Red after powering up.
GREEN LED – Bluetooth status light. Solid Green indicates Bluetooth is
connected.
BLUE LED – Flight controller status light which is controlled by the flight
controller firmware.
∎ BOOT Button
Only if the flight controller gets bricked and can’t power up, please follow
these steps to re-flash firmware for it:
- Insert a USB A to TYPE-C cable to your PC.
- Press and hold the BOOT button, insert the USB cable into the flight controller, then release the BOOT button.
- Open Betaflight configurator on the PC, go to the ‘Firmware Flashing’ page, choose the target ‘SPEEDYBEEF7MINI’ and flash.
FC’s Peripheral Connection
APP
-
Get the SpeedyBee App
Search ‘SpeedyBee’ on Google Play or App Store. Or download the
Android .apk file on our website: https://www.speedybee.com/download. -
Connect the App
FC Firmware Update
∎ SpeedyBee F7 Mini does not support wireless firmware flashing, so please
flash firmware for it on your PC following the steps below:
- Connect the flight controller to the PC with a USB cable
- Open Betafight/INAV configurator on your PC. Take Betaflight configurator as an example, go to the ‘Firmware Flashing’ page, choose the target ‘SPEEDYBEEF7MINI’ and flash.
Parameters
| MCU | STM32F722 |
|---|---|
| IMU(Gyro) | BMI270 for current batches;MPU6000 for old batches before May 2022. |
| USB Pok Type | Type-C |
| Barometer | N/A |
| OSD Chip | AT7456E chip |
| BLE Bluetooth | Suppoked. Used for Flight Controller configuration (MSP should |
be enabled with Baud rate 115200 on UART 6)
Flash FC Firmware Wirelessly| Not suppoked. Please update firmware for this FC
on the PC
Download/Analyze Blackbox| Not suppoked. Please download and analyze Blackbox
data on the PC
DJI Air Unit Soldering Pads| Suppoked
Flash(for BlackBox)| 8MB
Current Sensor| Suppoked, Scale=250 Offset=-500
BetaFlight Camera Control Pad| Yes(CC pad)
Power Input| 3S – 6S Lipo
5V Output| 6 groups of 5V output, five +5V pads and 1 BZ+ pad( used for
Buzzer). The total current load is 2.5A.
9V Output| 2 groups of 9V output, the total current load is 2A.
3.3V Output| Suppoked. Up to 500mA current load.
ESC Signal Pads| M1 – M4
UART| Full UART * 3(UART1, UART2, UART3)
ESC Telemetry UART| R4(UART4)
I2C| Not suppoked
LED Pad| Used for WS2812 LED
Buzzer| BZ+ and BZ- pad used for 5V Buzzer
BOOT Button| Used to enter DFU mode
RSSI Input| Not suppoked
SmakPok| Use any TX pad of UART for the SmakPok feature.
Suppoked Flight Controller Firmware| BetaFlight(Default), INAV
Firmware Target Name| SPEEDYBEEF7 MINIV2 for current batches (Gyro: BMI270);
SPEEDYBEEF7 MINI for old batches (Gyro: MPU6000) before May 2022.
Mounting| 20 x 20mm, 3.5mm hole diameter
Dimension| 30 x 30 x 7.5mm
Weight| 5.7g
Part 3 – SpeedyBee 35A BLS 4-in-1 ESC
Layout
Connection with Motors & Power Cable
∎ Note: In order to prevent the stack from being burnt out instantaneous voltage spikes on powering up, it is strongly recommended to use the Low ESR capacitor in the package.
ESC Configuration
ESC Firmware Update
∎ You could flash both BLHeli_S and Blue Jay firmware for this ESC.
You need to pulg in the battery to the Mini and then connect a USB cable
between the Mini and your PC. Then flash ESC firmware (BLHeli_S or Blue Jay)
in the following online configurator: https://esc-configurator.com/
Note: ESC Type should be set as ‘J-H-40’.
Parameters
| Firmware | BLHeli_S JH40 |
|---|---|
| Continuous Current | 35A * 4 |
| Burst Current | 45A(5S) |
| ESC Protocol | DSHOT300/600 |
| Power Input | 3-6S LiPo |
| Power Output | VBAT |
| ESC Telemetry | Not supported |
| Current Sensor | Support (Scale=250 Offset=-500) |
| Mounting | 20 x 20mm, 3.6mm hole diameter |
| Dimension | 32(L) 35(W) 5.5mm(H) |
| Weight | 7g |