SpeedyBee F7 35A BLS Mini Stack Flight Controller User Manual

June 3, 2024
SpeedyBee

User Manual V1.0
SpeedyBee F7 35A BLS Mini Stack

Pat 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 Supported. For FC & ESC parameter setting
Wireless FC Firmware Flashing Not supported
Wireless Blackbox Download Not supported
Power Input 3-6S LiPo
Mounting 20 x 20mm Ø3.5mm hole size, Compatible with M2 and M3

screws/Silicone grommets
Dimension| 32mm(L) x 35mm(W) x 13mm(H)
Weight| 12.7g

Dimensions

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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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

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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FC & ESC Connection

Use any end of the 8-pin JST cable to connect the FC to the ESC.

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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Part 2 – SpeedyBee F7 Mini Flight Controller

Layout

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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LED Indicator Definition
RED LED – Solid Red after powering up.
GREEN LED – Blinking Green indicates Bluetooth is open and waiting for connection; 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:
① Insert a USB A to TYPE-C cable to your PC.
② Press and hold the BOOT button, insert the USB cable into the flight controller, then release the BOOT button.
③ Open Betaflight/Emuflight/INAV configurator on the PC, go to the ‘Firmware Flashing’ page, choose the target ‘SPEEDYBEEF7MINI’ and flash.

FC’s Peripheral Connection

APP

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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FC Firmware Update

SpeedyBee F7 Mini does not support wireless firmware flashing, so please flash firmware for it on your PC by following the steps below:
① Connect the flight controller to the PC with a USB cable
② Open Betafight/Emuflight/INAV configurator on your PC. Take the Betaflight configurator as an example, go to the ‘Firmware Flashing’ page, choose the target ‘SPEEDYBEEF7MINI’, and flash.

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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Parameters

MCU STM32F722
IMU(Gyro) BMI270 for current batches;MPU5000 for old batches before May 2022.
USB Port Type Type-C
Barometer N/A
OSD Chip AT7456E chip
BLE Bluetooth Supported. Used for Flight Controller configuration

(MSP should he enabled with Baud rate 115200 on UART 6)
Flash FC Firmware Wirelessly| Not supported. Please update the firmware for this FC on the PC
Download/Analyze Blackbox| Not supported. Please download and analyze Blackbox data on the PC
DJI Air Unit Soldering Pads| Supported
Flash(for BlackBox)| 8MB
Current Sensor| Supported, Scale=250 Offset=-500
BetaFlight Camera Control Pad| Yes(CC pad)
Power Input| 35 – 65 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| Supported. Up to 500mA current load.
ESC Signal Pads| M1 – M4
UART| Full UART * 3(UART1, UART2, UART3)
ESC Telemetry UART| R4(UART4)
I2C| Not supported
LED Pad| Used for W52812 LED
Buzzer| BZ+ and BZ- pad used for 5V Buzzer
BOOT Button| Used to enter DFU mode
RSSI Input| Not supported
SmartPort| Use any D< pad of UART for the SmartPort feature.
Supported Flight Controller Firmware| BetaFlight(Default), EMUFlight, INAV
Firmware Target Name| SPEEDYBEEF7MINIV2 for current batches(Gyro: BMI270); SPEEDYBEEF7MINI for old batches(Gyro: MPU6000) before May 2022.
Mounting| 20x 20mm, 3.5mm hole diameter
Dimension| 30x 30 x 7.5mm
Weight| 5.7g

Part 3 – SpeedyBee 35A BLS 4-in-1 ESC

Layout

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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Connection with Motors & Power Cable

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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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

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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ESC Firmware Update
You could flash both BLHeli_S and Blue Jay firmware for this ESC via
Bluetooth.Note: ESC Type should be set as ‘J-H-40’.

SpeedyBee F7 35A BLS Mini Stack Flight Controller - fig
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Parameters

Firmware BLHeli_S JH40
Continuous Current 35A * 4
Burst Current 45A(55)
ESC Protocol DSHOT300/600
Power Input 3-65 LiPo
Power Output VBAT
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

References

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