The Smell of Molten Projects in the Morning – Page 3 – Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

Monitor Arm Tilt Adjustment: Bad Part Repair

2026-03-13

Machine Shop, PC Tweakage

Mini-lathe, Repairs

It’s really “pitch”, but I can’t make a case for being that pedantic

CO₂ Laser Tube Current: Variable Power

2022-09-29

Electronics Workbench Science

Laser Cutter

There’s definitely not much benefit in driving the tube beyond about 60% PWM
CO₂ Laser Tube Current: Constant Power

2022-09-28

Electronics Workbench Science

Laser Cutter

At 30% PWM the beam current looks a bit more reasonable
CO₂ Laser Tube Current: Test Wiring

2022-09-27

Electronics Workbench

Laser Cutter

The bottom trace (green, channel 4) is the laser tube current
Squash Frog

2022-09-26

Oddities

Gardening | Wildlife

That bright green spot is a misplaced tree frog
Laser Cutter: Improving the Red-Dot Pointer

2022-09-23

Electronics Workbench Machine Shop

Improvements | Laser Cutter | Mini-lathe | Sherline

Eyeballometrically, the hole falls within the (dimmed) spot diameter
The Stone

2022-09-22

Oddities Recumbent Bicycling

The black smudge matches a scuff on the right sidewall
Stone Cold Swerve

2022-09-21

Aphorisms Photography & Images Recumbent Bicycling Science

Timing is everything