With the BigQuad deck you can transform your Crazyflie 2.0 to a bigger quad by connecting external ESCs (Electronic Speed Controller) to the breakout connectors on the deck. The autodetection of the deck makes this transformation possible to do in seconds. The deck contains breakout header connectors for additional accessories such as external receiver (CPPM input) and GPS. It also has the possibility to monitor battery voltage and current.

This product is intended to be used together with the Crazyflie 2.0 quadcopter and uses its expansion board system. Please have a look at the buyers guide for more info about the Crazyflie 2.0 ecosystem. For more information about how to use the expansion decks check out the getting started with expansion decks page.

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.


4 x ESC connectors

0.1" header mounting holes for additional connectivity:

CPPM input (3 pin)

GPS input (4 pin)

I2C expansion (4 pin)

Battery and current monitoring input (3 pin)

Buzzer output (2 pin)

Connect one or two additional decks

Automatic detection of expansion deck

Technical details

Dimensions 36mm x40mm x5mm
Weight G.W 6g
Battery Exclude
Power Crazyflie 2.0 4.5V - 5.5V from ESC.
BiqQuad deck inputs 5V tolerant
Battery voltage monitoring divider scaled for input up to 23V
Current monitoring input 0V - 3V
BiqQuad deck and Crazyflie 2.0 current consumption 1. ~120mA without any additional decks. 2. Up to 500mA if Crazyflie 2.0 battery is connected and charging.
1-wire memory for automatic expansion deck detection
M3 mounting holes placed 30.5mm square.
Designed for mounting above or under the Crazyflie 2.0

Part List

BigQuad deck 1
M2x4 nylon screw 4
M2x6 hex spacer 2


HSCODE 8543909000
USHSCODE 8517620090
UPC 841454118503




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