SPECIFICATIONS

Brand Name: rctosky
For Vehicle Type: Airplanes,Airplanes
Four-wheel Drive Attributes: Assemblage,Assemblage
High-concerned chemical: None
Hign-concerned Chemical: None
Is Batteries Included: No
Is Electric: No battery,No battery
Is it battery/power supply: N
Is it charger/adapter: N
Material: Composite Material
Model Number: F4DC,F4DC
Origin: Mainland China
Quantity: 1 pcs,1 pcs
RC Parts & Accs: AXLE
Recommend Age: 14+y
Remote Control Peripherals/Devices: Remote Controller,Remote Controller
Tool Supplies: Assembled class,Assembled class
Upgrade Parts/Accessories: Frame,Frame
Use: Vehicles & Remote Control Toys
Wheelbase: Bottom Plate,Bottom Plate

F4DC Flight Control
MCU: STM32F411CEU6
IMU: MPU6500
Barometer: BMP280
OSD: AT7456E
Firmware:MATEK F411
Brushing Motor Supports: 615 716 816 820 8520
Battery input voltage: 1S - 2S (3.0V-8.4V)
1.We had upload the Betaflight / STM32F411 (S411) 4.2.0 firmware and config it ,you can use it directly without uploading firmware.
# version
# Betaflight / STM32F411 (S411) 4.2.0 Jun 14 2020 / 03:04:43 (8f2d21460) MSP API: 1.43
# config: YES
# board: manufacturer_id: MTKS, board_name: MATEKF411
 
How to upload firmware?
More information you can read here,https://www.uavbb.com/viewtopic.php?t=41
 
Download Betaflight firmware from here, http://blog.rctoysky.com/invoice/invoice//betaflight_4.2.0_STM32F411.hex
importand! Download the config file from here, http://blog.rctoysky.com/invoice/invoice//F4DC_config.txt
 
Please note that if you upload the diffrent version Betaflight firmware, the config file is not same, you should know how to set the config file,otherwise the LED is not on.So, I suggest you don't upload the firmware and use it directly.
 
2.Set UART2 as receiver.
3.Interface Definition Diagram

100mm-Drone Quadcopter
100mm-Drone supports multiple flight modes, including Stabilize mode, Height-hold mode, and Position-hold mode. With simple hardware, clear and extensible code architecture, 100mm-Drone can be used in STEAM education and other fields.
Main Features
HK-X100:
Wheelbase: 100mm;
Bottom plate: 1.5mm;
Upper plate: 1.5mm;
Weight: approximately 8 grams;
Motor: with brushes such as 8520;
Paddle: 55MM
 
100mm-Drone has the following features:
F4DC FIight Control+8520 brush motor+55mm AB propeller
+propeller protectionsleeve+100mm Drone Frame
100mm Drone Frame
8520 brush motor