A state estimator turns sensor signals into an estimate of the state that the crazyflie is in. This is an essential part of crazyflie's stabilizing system, as explained in the overview page. State estimation is really important in quadrotors (and robotics in general). The Crazyflie needs to know first… Read More

Thanks to a software from Cyber Explorer it is possible to sniff the NRF24 radio packet using an SDR radio. Though the original method is using rtl-sdr with the rtl-fm program. This page aims at documenting how to setup an NRF sniffer with the HackRFBlue (which is fully compatible with HackRF One).… Read More

Unpacking the Crazyflie The Crazyflie 2.X box contains the following items. Make sure that you have all of them before you start assembling. package contents 1 x Crazyflie 2.X control board with all components mounted 5 x CW propellers 5 x CCW propellers 6 x Motor mounts 1 x LiPo battery 5 x Coreless… Read More

This page shows different ways on how to navigate the documentation, based on either the hardware or the programming languages used. Legend graph LR clickable[Clickable]:::bc --> notclickable(Not Clickable):::bc click clickable "/documentation/system/doc_nav/" classDef bc fill:#95C941,stroke:#666666,stroke-width:2px,color:#222222;… Read More

The configuration tool for the Node only supports a sub set of all settings in the Node, to access the full configuration connect the Node to a computer with a USB cable. The node will be recognised as a serial port and you need a terminal program to configure it. The procedure is OS specific and some… Read More

Buy online Debug firmware with ease Connect a standard JTAG and SWD debugger to the Crazyflie 2.X. How it WorksSpecificationsUsage How it works One of our goals is to make development with the Crazyflie 2.X as easy as possible. Due to the small size of the platform there are limitations in what connectors… Read More

The Crazyradio dongle is based on a Nordic semiconductor nRF24LU1 chip. The radio communication is done using the Nordic "Enhanced ShockBurst(TM)" packet protocol in PTX mode with acknowledge. Variable sized packet, from 1 to 32 bytes, can be send and acknowledged by the copter. The acknowledgement… Read More

This product is in the Early Access stage. Buy online Make your ideas fly! Your imagination sets the limits How it WorksSpecificationsUsageDevelopment How it works 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… Read More

This product is discontinued and has been replaced with the Crazyflie Bolt 1.1 Make your ideas fly! Your imagination sets the limits How it WorksSpecificationsUsageDevelopment How it works The Crazyflie Bolt is a Crazyflie 2.X compatible flight controller for brushless builds. It is intended to have… Read More

Please note: The current implementation of the bootloader/scripts are not 100% safe. If you upgrade you firmware, make sure that the script says "Verification succeded!" before you unplug the dongle. Other wise you risk "bricking" it (and then it has to be re-programmed via SPI). Do not do development… Read More