Datasheet

1. Introduction
The Crazyflie 2.1 is a versatile open source flying development platform that only weighs 27g and fits in the palm of your hand.
Crazyflie 2.1 is equipped with low-latency/long-range radio as well as Bluetooth LE. This gives you the option of downloading our
app and using your mobile device as a controller or, in combination with the Crazyradio PA, using your computer to display data
and fly with a game controller.
2. 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
3. Onboard 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)
micro-USB 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
4. IMU specification
3 axis accelerometer / gyroscope (BMI088)
High precision pressure sensor (BMP388)
5. Flight specifications
Flight time with stock battery: 7 minutes
Charging time with stock battery: 40 minutes
Max recommended payload weight: 15 g
Crazyflie 2.1
SKU: 114991551
The latest version of the successful Crazyflie development
platform comes with improved flight performance, durability
and radio. Together with an extensive ecosystem of software
and deck expansions it’s ideal for education, research and
swarming.
Bitcraze AB Datasheet Crazyflie 2.1 - Rev 3
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