GENERAL : The Airbot Mini carrier board is one of the way to install a Cube on a drone. The Mini carrier board encapsulate all the wiring in a 50.5x57.5mm board, in order to save space and weight for applications which have size limits. FEATURES : Dual power inputs (redundant power with automatic switch to the second power source when first one fails) Easy to install on drone (see the mounting pattern above) Power distribution & voltage protection (providing current to each connector) Motor PWM signal distribution (up to 8 motors - distributed on corners) Standard 2.54mm servo PPM/S.BUS/Spectrum RC input (+5v/+3.3v selectable power from carrier board) AUX VCC pins are connected together. This allows powering the AUX rail externally. For more information ,please visit our website: https://docs.cubepilot.org/user-guides/carrier-boards/airbot-mini-carrier-board/airbot-mini-carrier-board-set-user-guide