Brewing Cider December 24, 2009Posted by GuySoft in Crictor, diy, Hamakor, Uncategorized.
Tags: alcohol, brewing, chemestry, cider, diy
During the semester break, I brewed alcoholic Cider (not to mix with apple juice, which is no-alcoholic). My cider has 7.2% alcohol.
Although some readers might think that making alcohol out of plain apple juice might involve black magic, its actually quite simple. The only thing it really takes is time – about 3 months total to start drinking, but if you wait 5 months, you will get something that tastes much better. Its quite fun, and one can create unique flavors.
Introducing the Bumble-b and using it to control a LED matrix October 8, 2009Posted by GuySoft in Crictor, diy, Electronics, Hamakor, ITU, open source, programming.
Tags: bumble-b, diy, Electronics, howto, leds, linux, open source, programming, usb
The past week I have been playing around with my new Bumble-b, as I mentioned in my last post. Basically what I did with it is control an LED matrix. After doing that I made it in to a USB Device! Thanks to the simple library LUFA. Now I can use a simple echo > /dev/ttyACM0 command to send a text message to the display. Meaning that I have now /dev/matrix!
In this post I hope to explain how to use the Bumble-b, a programmable USB chip, including its own built in programmer, for just $20. I would also like to encourage people here in Israel to start playing with this, since its cheap and easy to order way to get started with amateur electronics.
Here is a quick introduction video (followed by a detail post):
What is the Bumble-b?
The bumble-b is a USB programmable AVR chip with a programmer built in to it (called a breakout board). It is an AVR chip, meaning that its based on something that is widely used (the model is at90usb162). Moreover, since it has a USB connector right on it , this makes the creation of USB devices really simple. But not only USB devices alone.
Astrophotography Using Canon Camera’s Hack Development Kit August 16, 2009Posted by GuySoft in Astronomy, Crictor, diy, Hamakor, ITU, linux, open source, programming.
Tags: Astronomy, basic, camera, chdk, diy, ffmpeg, hacking, meteors, negev, open source, programming, video
I am going to explain here how I managed to use the Cannon open source hack development kit , known as CHDK, to photograph stars and even create neat movies of the stars motion.
It all started this Monday, I was lucky to see that there is going to be Perseids meteor shower, a day in advance. So I had time getting the code ready before it was too late. I thought I would go somewhere next to Jerusalem and photograph, but in the end, friends of mine (Shy and Anna) from the Israeli Astronomy Association, which I am part of, told me they are going down south to the dessert, far away from light pollution, to take count of the meteors for the IMO. So I joined him, and my data is also available.
Before all the technical stuff, here is a video I made that shows you what this all comes to:
Now back to CHDK, and how this was done.
What is CHDK? And how do I install it?
CHDK is a firmware addon for Cannon powershot digital cameras. It supports most of them, mine is a simple powershot A590, costs to date about 700 NIS. Moreover, since its an addon, it will not void warranty, and can’t damage your camera. It has a lot of features (including games and an e-book reader!).
A message to MAKE magazine February 21, 2008Posted by GuySoft in diy, Hamakor, podcast.
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Bre Pettis, was the MAKE magazine Podcast maker, the famous DIY magazine.
A few months ago, aired a podcast about making sympathy dolls. I started to make a doll for my girlfriend, when I stumbled on a secret message, that made me do this:
I got in contact with Bre over Jabber (Gtalk) he did like the 555 chip addon, however he also told me that he isn’t working for MAKE anymore .
A little disappointing, however, I still have a cool doll….
How to build “cantenna”, a wave guide antenna out of a coffee can November 27, 2007Posted by GuySoft in cantenna, Crictor, diy, Hamakor, linux, open source, wifi, wireless.
Tags: cantenna, computers, diy, hacking, howto, linux
This is really a translation of a post I wrote in Hebrew out of Linmagazine.
Here is my own DIY guide to build a waveguide antenna. This antenna will dramatically boost your wireless connection to a specific direction, enabling connectivity to great distances.