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Details about  USB to GPIB Adapter rev4

USB to GPIB Adapter rev4

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Waterloo, ON, Canada
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Last updated on  Jul 15, 2014 09:06:25 EDT  View all revisions

Item specifics

New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Brand: Galvant Industries
Country/Region of Manufacture: Canada Model: GPIBUSB
Country of Manufacture: Canada MPN: G120

Galvant Industries
USB-to-GPIB Adapter rev4

Galvant Industries GPIBUSB is the perfect way for you to easily connect your test and measurement gear featuring GPIB/HPIB connectivity ports to your computer.

By using this adapter, you can do a wide variety of automation! Change the output voltage of your power supply, gather resistance measurements from your DMM, or transfer your oscilloscope waveform; all are possible with this adapter!

Compared to other USB-to-GPIB adapters, ours is the hobbyists best option. Commercial adapters from big companies cost upwards of $600, and aren't even fully cross platform! Our adapter is compatible with all major operating systems and programming languages, keeping you focused on your project instead of trying to find the "right" software configuration on your computer.

Not only is this adapter cross platform, but it is also open source hardware! This means you can find all the source files that go into making this adapter completely free online at


Many pieces of test & measurement equipment feature a connectivity port labelled “GPIB” which stands for General Purpose Interface Bus. On some equipment this can also be labelled as “HPIB” after the company that originally invented it.

Commercial USB to GPIB adapters contain a lot of features and functionality, but are also very expensive ($500+ new). This is well out of price range for most hobbyists, as well as plenty of engineers and scientists. A lot of people don’t need all of the advanced GPIB communication functionality; some are just looking to download multimeter readings or oscilloscope waveforms to their PC. This project aims to implement as much GPIB communication functionality as possible, while still remaining accessible.

Another limitation of your typical USB to GPIB adapter is the development environment restriction due to the required drivers. For example, these vendors only provide Linux drivers for Red Hat-based distributions, but these drivers do not include MATLAB bindings! Instead of having to deal with all sorts of GPIB and VISA driver stuff, this GPIBUSB adapter presents itself to the attached PC as a serial port, allowing a wide variety of operating systems and development environments to utilize it. So although this means that this adapter is NOT a drop in replacement for conventional ones, this flexibility is desired by many.

Revision 4 Changes

Rev4 brings a few small updates to the GPIB USB Adapter. Visually, there are two new LEDs hooked up to flash when transferring data to and from the attached PC. In addition, a few extra wire connections have been added for hardware flow control for hte virtual serial port. This is not currently in use, but is planned for use in a future firmware update. This will help with compatibility with some pre-existing software as well as general stability.


All boards currently ship with firmware v5 installed. All boards can be software upgraded without any special tools.


  • Open source hardware! All source can be found at
  • Cross platform – works on Windows, Linux, and OSX
  • Cross language – works with any programming language able to connect to serial ports
  • Connect your instruments to your PC via USB
  • GPIB bus driver ICs (new in rev3!)
  • USB-B connector
  • Includes pre-written Python classes for easy communication with instruments found at
  • Upgradeable firmware – Useful to add new features and bug fixes easily
  • Assembled in Canada and PCB manufactured in USA
  • Powered from PC (no extra power supply required)
  • Reset switch
  • Assembled with lead-free solder


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Shipping and handling

Item location: Waterloo, ON, Canada
Shipping to: Worldwide
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Item must be returned within
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Return policy details
If our adapter does not suit your needs, you can return it for a refund minus the cost of all shipping charges. Returned item must be in same condition it arrived in.

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