Matek FCHUB-12S and Pixhawk

Dear forum community,

  1. Please help me figure out the correct way of connecting a Matek FCHUB-12S PDB to Pixhawk.
  2. Is it possible to use this PDB to to connect to Pixhawk like the Holybro PM02 power module (to enable measurement of current & battery voltage)?

Matek FCHUB012S PDB:

Pixhawk product page, for example -


Did you find any solution? i was facing same problem?

You will need a PM, but if you wanna just power the FC, you can connect 5V and GND to the power module slot in the pixhawk. Usually the pinout for PM is [5V 5V Current_Sensor Voltage_Sensor GND GND] 6pins but if you want to calibrate ESC, you need the PM because of the voltage sensor since it reads that a battery is connect or else it will timeout, ALSO you would want voltage reading on your GCS or else you don’t know when to land, if you want some small PM just find it at mRo Power Zero the power zero is quite small and efficient