Archive for the tag 'diy'

SMD Soldering on the cheap

Like a lot of hobbits, I don’t really like to solder SMD. It’s hard to solder with a normal soldering iron (even this can be done), and hot air soldering station cost a little. (around 180 Euros shipping included)
I already talk to my friend Bernt about this. He says he already used a cheap gas [...]

admin July 9th, 2008

Howto repair a broken USB flash drive

This is not the first time, I break a USB Drive. And I already heard some people complaining about the same stuff. But how is this possible ? Even if I use it a lot, memory and micro-controller are robust you know, no special reason for a failure (except of course some anormal write, but [...]

admin April 30th, 2008

Lumex Graphic LCD 128×64 (S12864GSF) + AVR (Atmega32)

I recently bought 2 LCD from jckrers ebay store. I have a good idea for this stuff, but first I need to run several tests. This LCD are fine and use the common KS108 controller.
My first thought was to use the avrlib, so I wired the LCD and started to use avrlib, but I quickly [...]

admin March 24th, 2008

Lot of DIY stuffs to do, so litte time, and waiting for holidays

Ok, my english exam is over .. waiting for the final result
I had a lot of stuffs on the way right now, so I hope to have the time to finish them before going on holidays here a little list:

A subwoofer (with a big 12″ woofer that goes damn low !
A subwoofer amp, this is [...]

admin July 11th, 2007

Howto recover wrong fuses settings on a AVR

Yesterday, I ran into a issue with an ATMega32. In fact, I wanted to disable the Jtag support on the chips because I need to use the pins used by the Jtag (PC2-PC5). To disable the Jtag, you simply need to change some fuses. I changed the fuses with the help of the Avr Fuse [...]

admin April 15th, 2007

Media Player (Dvico 3100) + Netgear WGT634U = Cheap Wifi Media Player

This year, for my birthday I have a very nice Media Player M3100. This stuff is really usefull, no need to use a noisy computer to watch recorded Divx. It’s pretty kool to watch films from beds you know..
The only issue: I need to take it back to my computer when I want to upload [...]

admin April 5th, 2007

Scope clock / Round 0

Ok, everybody know I’m a clock builder right now ;) .. So beside I have a lot of stuffs to do, I decided to build a new clock.
A good friend, give a old Mullard DH7-11 tube, so it’s time to give it a try no ? ;) The main issue right now, is to find [...]

admin February 3rd, 2007

IVL1-7/5 Russian Vacum Tube (VFD) Clock - Part 1

I’m now building another clock with a IVL1-7/5. In fact, I’m preparing a large bench of VFD clock, and I need to test several stuffs, so the schematic isn’t public right now.
This one use quite the same stuff than my previous I IV-18 clock, the main difference is the VFD power supply, but if you [...]

admin January 6th, 2007

Anode power supply for VFD display ( 5v to 80v stepper PSU )

For my next project (another VFD clock ;), I need a small variable PSU. The main issue with the VFD display, is the power supply. In fact you need 2 differents PSU:

a 5v / 100mA for the filament
a variable 20 to 75v for anodes..

VFD tube like the IV18 need something like 20/30 volts in direct [...]

admin December 26th, 2006

IV-18 VFD vacuum Russian Clock video (part 3)

Here a little video of my clock. In fact, I decided to replace the video on dailymotion ( it offers better quality than youtube)

admin October 10th, 2006