Crazyflie 2.1+ Drone Hacker Development Platform Kit
SKU: 83492284955

Crazyflie 2.1+ Drone Hacker Development Platform Kit

Sale price$96.72 Regular price$107.47
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

Crazyflie 2.1+ Drone Hacker Development Platform KitThe 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. 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

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.

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.

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

(Radio Not Included)

  • 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
    • 5 x 7mm DC coreless motor (1 spare)
    • 6 x 7mm motor mounts (2 spare)
    • 1 x Foam battery pad
    • 5 x CCW propellers (3 spare)
    • 5 x CW propellers (3 spare)
    • 1 x Battery holder deck
    • 2 x Short male deck connectors
    • 2 x Long male deck connectors
    • 1 x micro-USB cable (48cm)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83492284955

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cheuer
Pawtucket, US
★★★★★ 5
Perfect fit, solved steering pump noise
Installed this o-ring kit on a 2009 Honda Odyssey. The steering pump was making noise and you could see bubbles in the fluid revivor when the engine was idling indicating a potential air leak from where the hoses attach to the pump. The most difficult part was finding the right 10mm wrench that would allow me to access the lower hose mounting bolt without removing the belt or pump pulley. I wound up taking an old wrench, heated it with a torch, and bent it in a vice to get the right fit. I did order a ratcheting, flex head wrench but while waiting for it to be delivered I was able to make something work. Overall, the o-ring kit worked great, the o-rings seem high quality and this fixed my issue. If you don't already have some, make sure to order the power steering fluid required for Asian/Honda vehicles when you order these o-rings.
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Reviewed in the United States on February 24, 2025
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Amazon Customer
Massapequa, US
★★★★★ 5
Works great
Worked great and easy to install
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Reviewed in the United States on March 21, 2026
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Will
Lexington, US
★★★★★ 5
2007 Honda Accord coupe
Perfect fit for a 2007 accord coupe or sedan. Fixed a noisy power steering pump straight away on a 240,000 mile car. Easy DIY fix
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Reviewed in the United States on January 29, 2026
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Brian
San Leandro, US
★★★★★ 4
No issues
Great aftermarket o ring. If for whatever reason OEM isn’t possible, these o rings will work perfectly fine. Had no issues installing into power steering system. Still would recommend Honda o rings if you can because they are also cheap.
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Reviewed in the United States on March 18, 2026
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Jeff in Iowa
Birmingham, US
★★★★★ 5
Fixed noisy and leaking power steering pump
My daughters 2008 Honda Accord 2.4L 4 cylinder that had a very noisy power steering pump which was also starting to leak. I was about to buy a new pump when I found out it might just be leaking from the hoses to the pump. I bought these O rings for the hose connections at the power steering pump, and spent 15 minutes replacing them. Pump is quiet again! The suction hose can develop a leak, letting air get into the pump which creates the loud noises. This fix is all I needed, and was much cheaper and faster than replacing the power steering pump.
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Reviewed in the United States on March 10, 2026

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