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Messages - FourthDr

1
Project logs / Re: PAW12 - BB Prince
Hi Matseng

Received my free BB Prince kit.

Here is the envelope (nice touch with the Darlek!):
[attachment=5]

Here is what came inside:
[attachment=4]
[attachment=3]

Here are the parts ready to be soldered:
[attachment=2]

And finally, the finished product:
[attachment=0]
[attachment=1]

Anyone else receive their kit? I'm going to use mine with some minimal Arduino circuits on my bread board along with the crystal module you made.

Thanks again
2
General discussion / Re: Source for tiny superprobe switches...Sjaak??
Sjaak:

Seems those parts you linked to on ebay are more like ~$66 per 1000 not $10 per 1000. I thought that price you mentioned seemed a bit too lowe. But as it turns out, those you linked don't have the same foot print and the pegs are in the wrong place. So, I'm still looking for a proper replacement since you can't get any samples from the part maker CK Components and neither Digikey or Mouser stock that part.
4
General discussion / Re: Source for tiny superprobe switches...Sjaak??
WARNING! Don't click on Sajaak's mouser link unless you want to be stuck on the nl.mouser.com! I had to clear cookies :-|

Sjaak:

Is that part the same footprint as the originally specified part KMS231GPLFS? Its a N.O. momentary switch not a slide switch btw.
6
General discussion / PCB+ Giveaway at Gadget Factory! For next few weeks...
Hi:

I spotted a way to score a free PCB + shields. The Gadget Factory is sponsoring a weekly giveaway! Just head over to their forum and post a message here: http://tinyurl.com/buocxaz for an entry! Since I am currently the ONLY person who bothered there is a high likely hood of WINNING! This is a great dev board if you want to learn FPGA CPLD. This week they're giving away a bare Papilio One PCB + B/LED Wing :-) Let's all slashdot them! LOL :-D
7
Project logs / Re: Dithered images on silk layer
Matseng & Arupbsk:

Nice silk! Amine, my favorite! :-D I have tried putting logos and images on a my PCB's in eagle without much success. Could you do a simple tutorial on how you did that? Or maybe Arupbsk world? I look forward to seeing the resulting PCB.
8
General discussion / Re: 120v ac to 18v 2-6A DC circuit no stepdown Transformer
Maybe I should explain my application? I basically want to take a cordless power tool battery pack, add a PS inside the empty pack and power the tool directly from 120v AC. 6A might be a bit much for something that is being powered by sub c's @18v dc. So I could probably get away with 2Amps output @18v.
9
General discussion / 120v ac to 18v 2-6A DC circuit no stepdown Transformer
Hi:

I need to power a project I'm working from the 120v AC main lines. Ideally it would output 18v DC at 2A up to 6A. It needs to be some kind of step-down switching circuit that does not use a large step-down transformer or large heat sinks. I've looks around and have not really seen anything that would work. I've been told to: buy a laptop power block...LOL. But that won't fit into my project which is tight and irregularly shaped. Any ideas or suggested circuits?
10
Project development, ideas, and suggestions / Re: Little Wire - "Minimal AVR programmer and more"
Just a quick question. On the USB input D- D+ I noticed there are two 3.6V zener diodes and two 28 ohm resistors. These parts seems to be for level shifting between the attiny85's 5V and presumably the 3.3V of the D- D+ USB line. Thing is I thought the USB was 5V? So why the level shifting? Also, there is an extra 1.2K pull-up resistor on the D- line of the USB but not on the D+ line. What is the purpose of that resistor?
12
General discussion / Re: Soldermask ink for homemade PCB's (yeh, the green stuff)
I was looking at some of the sellers on ebay that offer UV curable soldermask. One had this disclaimer:

International Buyers - Please Note:
Import duties, taxes, and charges are not included in the
item price or shipping cost. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what
these additional costs will be prior to bidding or buying.

Just wondered if anyone has had to pay a tax or tariff or some other fee before they where able to receive there order? Especially since pretty much ALL of these vendors are in Hong Kong.
13
General discussion / Re: Microchip Arduino thing interview questions?
Octal:

I agree! That said. My question would be how would I take advantage of the speed and the extra capabilities of the PIC32 in my current arduinio projects? And since this is a closed board how could I transfer a working project to a custom board like I would with the regular arduino? I usually pull the chip and drop it into a custom board that has only what I need for the project.

Regards....


P.S. Did I win?? :-D

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