Blog post list

Resistive Load, Constant-Current Power Supplies, and a 3D Printed Desk Lamp

In this video, I build a 3D Printed Desk lamp. The basic design came from Thingiverse, but I repurposed my LM2576 Constant-Current design to serve as a dimmer. Motivation It all started when I found an interesting lamp on thingiverse,, which used used 75mm air hose segments from another model,, to make a …

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Raspberry pi based indoor air quality monitor

In this video, I build an indoor (and outdoor?) air quality monitor: Motivation For years I’ve followed the “uRadMonitor”, a device that does air quality monitoring and radiation monitoring. I’ve played with geiger counter projects before and frankly found them to be not very interesting. However, the idea of monitoring air quality is something that …

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3D Printer Resources

This page contains various 3D printer related resources and information that I’ve found while getting started with 3D printing. Videos Useful Stuff to Buy Silicone E3D Socks. This fit around the nozzle on the hot end / extruder and prevent filament from getting stuck to the hot end on extruder. I found them useful, particularly …

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