More Pictures

Here’s the result of another one of the included G-Code files from EMC2.  Superficially it looks pretty neat, but it exposes some of the issues I’m currently…

It’s Alive!

Well, the part hasn’t yet arrived from Australia, despite the company shipping it out with all due speed.  Kudos to them for doing that, but the fact…

Symphony of Steppers

I wired up all three axes today, and also hooked up the super high quality 200V DMM module that I picked up on eBay direct from China….

Signs of Life

Finally had some time this weekend to hook up a stepper drive, stepper motor, power supply, and a PC to see if EMC2 would move a motor. …

Gecko Infestation

The Gecko stepper motor drivers have arrived, along with my cheap and cheerful dual PCI parallel port card.  There should be enough stuff here to make some…

Three Cheers for Flat-Rate Postage Boxes

My linear power supply arrived today, and it’s big and heavy as I expected.  After poring over data sheets and doing more research and fretting and calculating,…

Stepper Motors

The stepper motors have arrived! I went with the same brand that ProMiCA used in their kit, but the higher torque version. Still need to order my…

Road Blogging Tech

[singlepic id=13 w=480] On my adventuring blog, I’ve grown to enjoy posting GPS track logs and photos as well as text upon returning from a trip.  Since…

Inexpensive MSO

A friend pointed out this inexpensive MSO.  $250 for a lot of capability.  Looks like it’d be great for a home lab, or even for light professional…

Caught the CNC Bug

I’ve always been fascinated by CNC machines.  They fall pretty squarely in the middle of my interests: computers, electronics, mechanical widgets, and makin’ stuff. I was inspired…

Affordable Digital Scopes

Rigol is a company selling Chinese-made digital scopes for very affordable prices.  Their DS1000E/D series is especially interesting, with entry level (50MHz/2channel) units going for as little…

The SOHA Headphone Amplifier

Back in the summer of 2007, I constructed a kit of the SOHA (Stoopid Op-amp Headphone Amplifier), based on the PCB from Glass Jar Audio.  The amp…