CrazybeeF4Pro

Crazybee F4 Pro

About

The Crazybee F4 Pro Flightcontroller is a re-design of a common Omnibus F4 FC. There are different models with an embedded RC radio receiver. The Crazybee F4 Pro has embedded four ESC's to drive 4x brushless motors as commonly found on small racing quadcopters like the Trashcan Trashcan

Specifications

• MCU: STM32F411CEU6 (100MHZ, 512K FLASH)
• Sensor: MPU-6000(SPI connection)
• Board size: 28.5 * 28.5MM
• Power supply: 1-2S battery input (DC 3.5-8.7V) altenative PCB with 2s-4s exist
• Built-in 6A(each) Blheli_S 4in1 ESC
• Built-in OSD SPI Control
• Built-in Current meter Max 28A
• Built-in 5V 1A Buck Boost with LC filter
• Built-in voltage measure
• BLHELI_S pass-through Ready
• Taillight LED Ready
• Onboard 4in1 ESC MCU upgraded to EFM8BB21

Variations

The Flightcontroller exists in four different PCB variations

• CrazyBeeF4FRPro for use with Frsky
• CrazyBeeF4DXPro for use with Spektrum
• CrazyBeeF4Pro Without receiver
• CrazyBeeF4FSPro with Nordic chip for Flysky

Versions

There are different versions of almost the same board V1,V2, V2.1 and V3. The differences in the table below:

Issues

Spiking power on the board when plugging in a 2s battery could lead to a broken board on the original design. To preven this from happening as add a capacitor to the battery lead. This capacitor should have an ESR lower than 0.2ohm and have a capacitance of 100uF or higher. A Rubycon ZLG/ZLH series and Samyoung NXB series.

Connect additional devices

Camera

Binding

To bind with your TX follow these steps

1. Connect battery 1. Pres an hold the bind button for about 2 seconds until the LED lits continuous 1. Enter the bind mode via your transmitter menu or bind button 1. The LED starts blinking as soon as binding was successful 1. Disconnect, then connect battery again, start flying

Debug connection

Per default the CrazyBee F4 Pro has no debug pin like SWD broken out to a connector or solderpad. One has to solder a tiny wire directly to the MCU. Like this:

Suppliers

One can buy one here:

More

This wiki is not the only place to get some info about the Hardware since the board can also be used for other flight stacks.

Airframe

An airframe using this board is:

• OpenUAS Trashcan