XIAOMI FIMI A3 is flying robotic drone with a DIY expandibility

Drone, in a technological context, is a flying robot. Drones and Robot are capable of carrying out a complex series of pre-programmed actions automatically. DJI is building government flying robotic drones  for information gathering, Amazon is working on delivery packages  in  30 minutes using drones “Prime Air”  or Aerone is using drones to clean skyscraper windows.


The gamechanger is Xiaomi :


Xiaomi went a step further from their competitors :  The Xiaomi FIMI A3  include a fully programmable DIY port in the back of the drone . This choice created a strong appealing for makers and open-source community for this product. A typical example of use of the DIY port is a Rescue Pack Drop system for drone, medicine delivery,  IOT Device Delivery and much more!

Features :


  • 2 axis gimbal  with electronic image stabilization.
  • 1080p HD Camera that produce very nice footages
  • 21 min fly time
  • 5.8ghz controller ( 1 kilometer controlling range )
  • Controller with LCD included, no wifi or phone required
  • Double GPS
  • DIY expansion port
  • Brushless Motors
  • Price under 300$

Buy Xiaomi Fimi a3 ( using our discounted with promo code  BGFIMIA329 ) 


From the Community : Drop system for Fimi A3 drone


Schematics :

On the opposite side, under a rubber flap, there is the 6 (2×3) pin DIY port (pin-out is: RX, TX, VCC +12v, GND, PWM and GPO).

List of materials :

  • 9g SG90 servo
  • M2 bolts
  • 5 volt regulator ( must use)
  • 6 pin header


Download the Xiaomi Payload Drop System by MPistol here on Thingiverse 

Review Date
Reviewed Item
Xiaomi FIMI A3 drone
Author Rating
Marco Gallo

•About Me:Hi, my name is Marco I'm robot tech enthusiasts and this is my robot website! My daily work is Software Developer but robots are my true passion.•PersonalRobots Mission : We will guide you in choosing the appropriate domestic robot for you, check our robot reviews and our toplist! Also We build opensource robots !

One Response

  1. Why not show the whole process of putting on the 5v regulator to the plugs and wiring? I would sure like to see it so that I could do the same for my Fimi A3 when it gets delivered shortly.

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