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Flight Core v2 Actuators

Table of contents

  1. Hardware
    1. ModalAI UART ESC
    2. PWM/DShot
  2. Software
    1. ModalAI UART ESC Driver Source
    2. PWM/DShot

Hardware

ModalAI UART ESC

UART7 is exposed on J1, which is mapped to TELEM1 in PX4 and available to Nuttx as /dev/ttyS6.

This is the default port used by the ModalAI UART ESC Driver when enabled.

Recommended is MCBL-00063 (6p JST ModalAI UART ESC Cable) for this interface.

Flight Core v2

Flight Core v2 J1

Pin #Signal Name
1NC
2Flight Core v2 Tx, 3P3V (connect to ESC Rx)
2Flight Core v2 Rx, 3P3V (connect to ESC Tx)
4NC
5NC
6GND

ModalAI ESC J2

M0049 based hardware J2:

Pin #Signal Name
1NC
2ESC Rx
2ESC Tx
4NC
5GND
6NC

PWM/DShot

8 PWM channels exposed on J7:

Pin #Signal Name
15VDC (other pins are 3.3V, input or output if supplied at another pin)
2PWM_CH1
3PWM_CH2
4PWM_CH3
5PWM_CH4
6PWM_CH5
7PWM_CH6
8PWM_CH7
9PWM_CH8
10GND

Software

ModalAI UART ESC Driver Source

An open source PX4 driver is available at src/drivers/actuators/modalai_esc.

PWM/DShot

Standard PX4 drivers used.