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Crazyflie Bolt 1.1

Crazyflie Bolt 1.1

SKU: 114992769
This product is in early access stage. It means that while the hardware is working and tested, the software is still pretty much work in progress. For more information see the early access description page.

The Crazyflie Bolt 1.1 is a Crazyflie 2.X compatible flight controller for brushless builds. It is intended to have the strengths of the Crazyflie 2.1, but in a slightly bit bigger package. The Crazyflie Bolt 1.1 runs the same firmware base as the Crazyflie 2.1 and includes the same IMU. So you can start out developing using the much smaller Crazyflie 2.1 and then grow as your application grows.

Differences compared to Crazyflie Bolt

  • Motor signal output M4 has been moved from PB9 to PB10 to be able to support the DSHOT protocol.
  • PCB thickness has been reduced from 1.6mm to 1mm to save weight.
  • Revision updated to Rev.H

For more details, please see the product page on our web.


  • Firmware compatible with Crazyflie 2.1 and Crazyflie Bolt
  • Supports expansion boards with automatic detection
  • Integrated radio with dual antenna support (no firmware support yet)
  • Wireless firmware updates
  • 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 boards when using a Crazyradio or Crazyradio PA and a computer
  • Integrated power distribution (max 8A / motor)
  • Low latency IMU connection
  • Low power mode (down to 50uA) in sleep

      Package contents

      • 1 x Crazyflie Bolt 1.1 (with battery cable attached)
      • 1 x External antenna (with u.FL connector)
      • 4 x ESC connector cables
      • 2 x Short male deck connectors (spare part)
      • 2 x Long male deck connectors (spare part)


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