Justblair's Electronics Blog

This CD player mechanism's reader head is driven using a worm screw and a simple motor. Here I powered this motor using an Arduino to run the lens ...

Here are my first impressions of the upcoming DSO Quad, pocket digital storage oscilloscope. I recieved a pre-production sample of what is going t...

I recently built a MAX7221 based 8th digit, 7th segment LED display and needed a quick arduino sketch to test it. Here is the result. Build log ...

This is a new design of mine which is a replacement to my RepRap's Y Axis Motor Bracket. It replaces the Prusa V1 Y bracket which was a little ben...

THANKS TO ALL OF YOU!! who left me a personal vote at the Boca Bearings 2012 Innovation Competition! MorpHex became the April's winner!

If you want...

Download the mount from here: http://www.thingiverse.com/...

Here is RcModelReviews review of the cam: http://www.youtube.com/watc......

G0704 HS Spindle Milling 2

Reprap Prusa Mods Coming

This is part of a test of a new feature in the Marlin firmware. Control of the axis by rotary encoder

Answering machine all schools should have.

Find out more at http://kck.st/JDgViY

Simulación de un trabajo

This shows how well Synchromesh Cable from SDP/SI works for linear motion instead of the standard T5 or XL belts. Essentially eliminates backlash....

Powering up my custom 50kV DC power supply. See my other video for an overview.

So I was driving back from work and went in the wrong lane..... then I had bigger a fail moment. This was my 1st time driving to work and back (I'm...

The Widgetmaster mill is finally together using the grblShield to mill PCBs

This video was uploaded from an Android phone.

Showing two 38 piece, Prusa Mendel 3.0 ABS plastic parts kits, I have in my Ebay store, under the name janlmn. Have made 14 different upgrades to t...

Sexy Sound!

arstl lets you interact with 3D models in real life before printing them out. It currently supports ASCII and binary STL files. It uses the ArUco...

This is what you might get with 12 for $20 Chinese eBay linear bearings. They make this horrible clicking noise every few millimeters. Not all di...

This is the regular blinkie with smaller LEDs and a 3D printed diffuser installed. These will be given to the GoHs

Looks like I got the bugs out of the LCD :D

This video was uploaded from an Android phone.

This was the introduction video I used for the presentation at FAB7 in Lima, a talk given with Joris van Tubergen. http://www.redpixel.nl

SW nástroje 1. RepRap Workshop v Praze 12.5.2012

Me going over all the small details I had to fix before I could get a first print out of my friends Mendelmax RepRap. He did a killer job assembli...

Topics Discussed are...

Introducing the Makergear Mosaic.

Possible Give-away contest.

Workbench setup.

Status of the Pink Prusa.

Prusa Kits.

Reprap...

Using 2x Atmel Avrisp MKII to simultaneously flash AT90USB1286 based RepRap Printrboards. Script based on Sparkfun's GANG'ed programming article:

...

Trying to do the hobbing even faster, and to prevent chips form getting stuck in the groove, I am also using coolant this time.

Live

-----iTunes link------- http://bit.ly/m3QED7

Song: Anatoliy Shishkov, by: Rymdreglage

This video is a tribute to the best movie in the world: Te...

I have recorded sound onto tracks 1 and 2 and this is the result. I could only find 1 jack plug so had to perform each recording separately hence w...

'Ruby' is the world's fastest Rubik's Cube robot created by Swinburne computing and robotics students.

The robot will be on display on Swinburne O...

I was a bit bored last week, so I edited some old Bert & Ernie episodes to the sound of M.O.P.'s Ante Up.

The song can be bought here: http://www....

A demonstration of my progress so far on building an Arduino based clock using a Maxim 7221 LED display driver and a Maxim DS1307 Real Time Clock I...

Demonstration dance including the duck walk that was taught.

I'm testing the Picopter's remote control transmitter with a RF Explorer. No real data was collected, I was mainly just having fun with a toy.

Tal...

Here are my first impressions of the upcoming DSO Quad, pocket digital storage oscilloscope. I recieved a pre-production sample of what is going t...

Link to page: http://www.pcbheaven.com/us...

I found a nice idea from a site for my PC mod. It is a HDD IDE indicator with...

Bill describes the EngineerGuy team's latest book Eight Amazing Engineering Stories, which forms the basis of EngineerGuy video series #4. http://w...

Jeri visits a live lava flow in Hawaii.