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ParraPortCNC A2.2 now in stock! Attiny 84a boards now in stock!, new products soon.
PCB color may vary. Currently each board is built to order. It may take an extra day to get your order shipped, thank you.
New revisions are finalized! Boards are now in stock.
What is this thing...
designed to convert parallel port diven CNC's to USB for use with GRBL.
I designed ParraPortCNC because I was tired of using old desktop PC's with the requirement they had a parallel port. The only computer I have that has a parallel port was my server and I could not double duty the server. LinuxCNC requires a dedicated machine to prevent missed steps and processing of your Gcode files.
With this easy plug and play option, you can now control your yooCNC variant CNC from any computer with a USB port including laptops and Raspberry Pi's using any program that knows how to talk to GRBL such as Universal Gcode Sender.
A2.2 has six hardwired lines for yooCNC configurations, all other functions are broke out to test pads that the user can wire up to match there specific setup. The hardwired connections also have a small section on the back of the board allowing the user to cut the hardwired connections and re-wire there own configuration with full flexibility.
The video linked below is a small demonstration of the ParraPortCNC A2.2 working with OctoPrintCNC moving all 3 axis on my Chinese 3020T CNC router.
The board comes pre-flashed with GRBL v0.9j and settings pre-configured. All boards are tested for functionality with my CNC setup.
Mike | Aug. 21, 2016
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