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Item specifics
  • Material: Composite Material
  • RC Parts & Accs: Propellers
  • Tool Supplies: Assembly Category
  • For Vehicle Type: Helicopters
  • Model Number: HUBOSD ECO X
  • Technical parameters: Value 10
  • Use: Vehicles & Remote Control Toys
  • Upgrade Parts/Accessories: PDB
  • Remote Control Peripherals/Devices: PDB
  • Four-wheel Drive Attributes: PDB
Product Description

The HUBOSD8 has been engineered to provide the highest possible performance and reliability in a 46*36mm & 4 layers PCB.  
It is a multifunctional HUB with PDB, BEC 5V/2A &12V/500mA, Current sensor 140A, STOSD8. It is specially made for the mini FPV Quad.  
The BEC 12V is linear regulator, no LC Filter needed. Built-in STOSD8 can support Plug & Play, no complicated settings needed.

Brand name: Realacc
Input voltage range (3S-5S operation): 8 - 21VDC
PDB: 4x30A (Max.4x35A)
Regulated 5V and 12V outputs
Current Sensor 140A
Built-in STOSD8
- 2oz copper, 4-layers &1.6mm PCB.
- 1x Battery input, 4x ESC outputs.  2x BEC 5V outputs, 2x BEC 12V outputs.
- Camera signal & Gnd pads, Video Transmitter Signal & Gnd pads
- 1x Serial port (RX, TX, G)
- for dimensions: 51x36x4mm, Weight: 9g
- Mounting holes 30.5mm square spacing
, Φ3mm

PDB (ESC outputs)
Continuous current: 30A per output
for peak current (10 seconds/minute): 35A per output

BEC 5V outputs
Designed for RC Receivers, Flight controllers, OSD, and Servos.
DC/DC synchronous buck regulator.
Voltage: 5.0 +/- 0.1VDC
Continuous current: 2 Amps (Max.2.5A 10s/minute)
Output Ripple: 40mV (VIn=16V, VOut=5V@2A load)
Short-circuit tolerant (5 seconds/minute)

BEC 12V outputs
Linear regulator, very low noise. LC Filter is needless.
Designed for Video TX or FPV camera.
Voltage: 12.0 +/- 0.3VDC (4~5S operation)
Continuous current: 500mA@16V IN,  400mA@20V IN
Short-circuit tolerant (2 seconds/minute)
If the battery is 3S LiPo,  Output voltage=3S LiPo voltage - 1V

Current Sensor: 140A
If current >140A. STOSD display 140A

Running indicator
Blue LED blinks: STOSD is initializing
Blue LED light: STOSD is working.

Autodetect PAL/NTSC
Auto sense PAL / NTSC cam at OSD startup. Default is NTSC without Cam signal

Dynamic on screen info
Current < 2A & keep 5 seconds                     Current > 2A

Min.Volt & Max.Amp recorder
Automatic flight timer
Current > 2A, Time in.  Current < 2A,Time out..

Auto battery cells detection
If the Input voltage is in the range of following, The HUBOSD will detect the cell
numbers automatically.
11.1~13.05V: 3cells LiPo,  14.8~17.4V: 4cells LiPo,  18.5~21V: 5cells LiPo
If the input voltage is out of the range. The voltage value will blink on screen.
Pls check if the battery total voltage is below 3.7V*cells

Low vlotage alarm
 (Value blinks): Default 3.6V* cells
Exceeding mAh alarm
 (Value blinks): Default 1000mAh

Onscreen Pilot ID
Default is disable. you can type some words & enable it in GUI

Firmware upgradable

Voltage precision: +/- 0.4%, Voltage resolution: 0.01V
Current precision: +/- 1.5%, Current resolution: 0.1A



Packaging Details
  • Unit Type: piece
  • Package Weight: 0.038kg (0.08lb.)
  • Package Size: 12cm x 8cm x 1cm (4.72in x 3.15in x 0.39in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.038kg (0.08lb.)
  • Package Size: 12cm x 8cm x 1cm (4.72in x 3.15in x 0.39in)
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