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The Smell of Molten Projects in the Morning

Ed Nisley's Blog: shop notes, electronics, firmware, machinery, 3D printing, and curiosities

Search Results for: 7475a

Software

HP 7475A Plotter Data Sniffing: socat Serial Port Tee

The incantation required to record serial data

2020-01-172020-01-12RPi
Machine Shop

HP 7475A Plotter: Ceramic Pen Tip Wear

It passed the manual scribble test and promptly ran out of ink

2020-01-102020-01-08Repairs
Machine Shop, Oddities

HP 7475A Plotter: Ceramic-Tip Pen EOL

Even the newly exposed fiber didn’t make much of a mark

2019-07-252019-07-25Repairs4 Comments
Machine Shop

HP 7475A Plotter: Rebuilt Carousel Drive

Everyone deserves a working plotter!

2017-07-172017-07-15Improvements, Repairs1 Comment
Machine Shop

HP 7475A Plotter: Pen Carousel Geneva Drive

A 3D printed part would probably work

2017-06-282017-07-20CNC, Repairs3 Comments
Machine Shop, Oddities, Photography & Images

HP 7475A Plotter: 09872-60066 Digitizing Sight

The fiber optic pipe still works just like it did, back in the day

2016-11-032016-11-014 Comments
Software

HP 7475A Plotter: Coordinate Pruning

Given that you can’t see the result, why send the commands?

2016-10-202016-10-19Improvements10 Comments

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