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Blended Technologies » other

Archive for the 'other' Category

Creating a Printed Circuit Board with a Laser Printer - My First Attempt

Saturday, January 23rd, 2010

I attempted to follow the tutorial here to make a printed circuit board (PCB) using only the following: 1 piece of copper-clad FR-4 1 OZ .32″ PCB, PCB Etching solution (Ferric Chloride), a laser printer, a page cut out from a glossy magazine, and an iron.
But my first attempt did not go very well. […]

New Website - Beckys Reviews

Sunday, August 30th, 2009

My wife reads a lot of reviews of products and services before buying, so I made her own review site so she can start writing them too.
I started putting reviews of books I’ve read there too. I’m a guest blogger over there
Let me know if you have any feedback on what would […]

How I Created a Haptic Ultrasonic Range Finding Hat

Tuesday, August 18th, 2009

I came across this project a while back that lets you “see” with ultrasound:
The ultrasonic haptic vision system enables a person to navigate hallways and around large objects without sight, through the use of an ultrasonic rangefinder that haptically interfaces with the user via tiny vibrating motors mounted on the user’s head.

It looked so cool […]

Realtime Plot of Arduino Serial Data Using Python

Wednesday, July 8th, 2009

So I got an Arduino a few weeks ago, and just made my second little project:

It simply has a piezo element connected to an analog input pin. The Arduino polls the value every 100ms and prints it to the serial port. Here is the sketch:

/* Knock Poller
* —————-
* We listen to […]

Read XKCD on the iPhone .. Finally

Friday, September 26th, 2008

I always want to read the great web comic XKCD when I’m on the go, but alas half the humor is in each comic’s HTML image title attribute which the iPhone won’t let me see.
Thus I present you with a solution: A nice little bookmarklet you can run when viewing an XKCD comic (or […]