File:Little Driver 1 9.jpg

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Little Driver 1.9 Heated bed power expansion module - 900 Watt Upgrade

The Little Driver is a premium heated bed power expansion module with many features not found in other modules.

User manuals are available from the Digital Sqrt website. (HERE)

The Little Driver can be controlled by an existing heated bed output or directly by a microprocessor (3v or 5v logic).


Little Driver Heated Bed Power Expansion Module features:

  • Full documentation / Not just a single pic, actual documentation HERE)
  • Upgrade any 3D printer control board
  • Max 900 Watt delivery to any non-inductive load
  • Runs on 12v-30v
  • Drives up to 30Amps (don't be fooled by claim's of 210 or 50-60 amps, go HERE to find out more)
  • Uses existing output as control
  • Alternate control from 3v or 5v logic
  • Optically Isolated (Printer Control Board and Heated bed can have different power supplies)
  • Auxiliary fan connection
  • On board air flow through heat sink
  • Opensource Hardware design


NEW with Ver 1.9

  • 50% Smaller than our closest competitor.
  • 30% Smaller than our original design.
  • Unpolarized control lines. Just plug it into your Heated bed output, The +/- no longer matter.

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current06:11, 12 June 2017Thumbnail for version as of 06:11, 12 June 2017933 × 742 (632 KB)AdrianW (talk | contribs)Little Driver 1.9 Heated Bed Power Module - 900 Watt Upgrade The Little Driver is a premium control board with many features not found in other control boards. User manuals are available from the Digital Sqrt website. (see below for link) The...
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