Features
Durable design
Easy to assemble and no soldering required
Supports expansion decks with automatic detection
Supports flying from iOS and Android with Bluetooth LE, as well as from Windows/Mac OSX/Linux with the Crazyradio or Crazyradio PA
Tested to further than 1 km radio range line-of-sight (LOS) with the Crazyradio PA
Wireless firmware updates
On-board charging via standard uUSB
Dual-MCU architecture with dedicated radio/power management SoC for advanced applications
Real-time logging, graphing and variable setting in addition to full use of expansion decks when using a Crazyradio or Crazyradio PA and a computer
Mechanical specifications
Takeoff weight: 27g
Size (WxHxD): 92x92x29mm (motor-to-motor and including motor mount feet)
Radio specifications
2.4GHz ISM band radio
Increased range with 20 dBm radio amplifier, tested to > 1 km range LOS with Crazyradio PA (environmentally dependent)
Bluetooth Low Energy support with iOS and Android clients available
Dual antenna support with both on board chip antenna and U.FL connector
Microcontrollers
STM32F405 main application MCU (Cortex-M4, 168MHz, 192kb SRAM, 1Mb flash)
nRF51822 radio and power management MCU (Cortex-M0, 32Mhz, 16kb SRAM, 128kb flash)
uUSB connector
On-board LiPo charger with 100mA, 500mA and 980mA modes available
Full speed USB device interface
Partial USB OTG capability (USB OTG present but no 5V output)
8KB EEPROM
IMU
3 axis accelerometer / gyroscope (BMI088)
high precision pressure sensor (BMP388)
Flight specifications
Flight time with stock battery: 7 minutes
Charging time with stock battery: 40 minutes
Max recommended payload weight: 15 g
Supported clients/controllers
Win/Linux/OSX python client
The gamepads used by the Xbox 360 and the Playstation 3 are used as reference controllers
Any gamepad/controller with at least 4 analog axes
Android mobile device
iOS mobile device
Expansion connectors
VCC (3.0V, max 100mA)
GND
VCOM (unregulated VBAT or VUSB, max 1A)
VUSB (both for input and output)
I2C (400kHz)
SPI
2 x UART
4 x GPIO/CS for SPI
1-wire bus for expansion identification
2 x GPIO connected to nRF51
Package contents
1 x Crazyflie 2.1 control board
1 x 250mAh LiPo battery (spare part)
5 x 7mm DC coreless motor (1 spare) (spare part)
6 x 7mm motor mounts (2 spare) (spare part)
1 x Foam battery pad
5 x CCW propellers (3 spare) (spare part)
5 x CW propellers (3 spare) (spare part)
1 x Battery holder deck (spare part)
2 x Short male deck connectors (spare part)
2 x Long male deck connectors (spare part)
1 x micro-USB cable (48cm) (spare part)