Category Archives: Engineering

3D Printing Linear Advance

I recently upgraded my Creality CR10S with the Micro-Swiss direct drive extruder and all-metal hot end. Having spent some time tuning extruder steps and retraction settings for the new arrangement I discovered linear advance, a feature present in the Marlin … Continue reading

Posted in 3D Printing, Engineering | Tagged , , , | 3 Comments

3D Printable Rear Case Cover for Raspberry Pi + Wolfson Card + PiHut case

I drafted a design for a new rear case cover for the Pi Hut case for the Raspberry Pi official 7″ touchscreen The Wolfson Card I fitted here prevents fitting of the original rear case cover, so I drafted up … Continue reading

Posted in Engineering, Gadgets, Music, Streaming | 1 Comment

Improving PSU filtering on the Wolfson Raspberry Pi Sound Card

I’ve been thinking about elegant ways to improve the PSU filtering of the Wolfson card and to ensure that any switching noise from the relatively noisy power supplies Raspberry Pi’s are usually used with is effectively¬†filtered. There’s plenty of possible … Continue reading

Posted in Engineering, Music, Streaming | 6 Comments