![]() ![]() When first connected this should power up the board, and will be in bootloader mode. You will need a USB -> Serial UART adapter. If you have wired as above, Motor1/Motor2 on the board will be forward. ![]() there is one wire on each motor out of the standard RED/BLACK VCC/GND polarity colors that can be used to identify polarity. If you are using the Hubsan x4/Ladybird motors, clockwise are Blue (GND) / Red (VCC) wires, anticlockwise It is therefore simplest to wire the motors: In standard QUADX configuration, the motors are mapped: Cleanflight USART1 (along with power) is on the following pins. A regulated 3.3v supply can be found on the top pin of column 1, just below the RX GND pin. Be careful if you are using a voltage sensitive RX. NOTE: The VCC RX Pin is not regulated and will supply what ever voltage is provided to the board, this will mean it'll provide 5v if a 5v serial connection is used. Version 2 boards are supported from firmware v1.4.0 onwards, do NOT flash earlier versions to version 2 boards. Uses blue and red LEDsīoot jumper pads presoldered with pins and a jumper by LED1. This board does not have an onboard USB-Serial converter, so an external adapter is needed. ![]() The CJMCU is a tiny (80mm) board running a STM32F103, which contains a 3-Axis Compass (HMC5883L) ![]()
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