OBDI circuit board group buy - ROUND 2
#32
Help locating capacitors and resistors...?
To those that may have already done this- where can one go to get the two capacitors (C1 & C2) and the 33k resistors (R6-9)?
I searched for the vishay part numbers and came up empty.
I have most of the other parts so far...
Thanks in advance!
Jim
I searched for the vishay part numbers and came up empty.
I have most of the other parts so far...
Thanks in advance!
Jim
#33
Suggestion for the capacitors...
I was able to locate the other components, but one thing I found is it is very hard to find a 0.1uF 25V capacitor that isn't monoblock style. I spoke with a knowledgeable electronics guy and he suggested going with a 0.1uF 50V capacitor- much, much easier to source. I switched both capacitors to 50V. Perhaps an update to the BOM would be useful to make it easier to get the "right" components?
#34
I think you'll be OK with other caps as long as you stay at or above 25V rating. You can sub close-fit for lots of things. I've built three now, and used electrolytes, ceramics, and different specs of LEDs - it all works just fine within reason. Staying right on the BOM probably gives the highest chance of success though.
Something I picked up at a parts shop for 50 cents - it's a little higher than BOM (800ma) but fits without any hassle.
Originally Posted by brucec59
What kind of fuse is that on your board?
#35
This seems like a good time to do an update so that everyone who sent an order can double-check my information.
To those who have ordered: I've listed "last name, number of boards ordered, post code, country" so that there's enough information to identify yourself without giving out too much. This is all according to the record on paypal, so if something's not right, contact me via PM.
If you haven't ordered and want a board, then this is a reminder that I'm putting in the manufacturing order after THIS SUNDAY, March 18.
Colin
Name,Number of Boards, Zip/Postal Code, Country
911CHIPS,1,90004-1886,United States,
Atkisson,1,96008,United States,
Bailey,1,36303,United States,
baldwin,1,hp23 5nn,United Kingdom,
Behrman,1,12066,United States,
Cooper,1,PR31DL,United Kingdom,
Craig,1,18902,United States,
Earl,1,46383,United States,
Farnan,2,EC4A 2BE,UK,
Gockmann,2,EX32 7LX,United Kingdom,
Kaufmann,1,95113,United States,
keesling,1,46770,United States,
Lawson,1*,94024,United States,
Masseroli,1,33166-6559,United States,
Melon,1,B-5080,Belgium,
Phillips,1*,60606,United States
Piper,2,NN11 3BA,United Kingdom
Roovers,3,2960,Belgium
Smith,1,21108,United States
spicer,1,77494,United States
Stella,1,10011,United States
Teksler,1*,94025,United States
Tindel,1,92373,United States
Verburg,1,12211,United States
Westervelt,1,78746,United States
* next to your quantity means we have communicated directly and have a slightly different arrangement.
#38
MARCH 19 - I will be ordering the boards this morning, and should have them in the mail in less than 1 week. The buy is now CLOSED. Please don't send any more money.
Thanks,
Colin
Thanks,
Colin
#40
Addict
Rennlist Member
Rennlist Member
Originally Posted by cowtown
It's a lot of fun to stack them up and make different shapes, but I guess I'd better mail them out....
Thanks again for doing this Colin!
#41
I've gotten a bunch of emails asking about the metal box in the photos in message #1:
The box is a Context Engineering P/N 2506, about $13 at my local Fry's. They come in aluminum and black anodized. The board slides right in to the grooves. GREAT quality. You can go with just about any box and mounting style you like, though.
The box is a Context Engineering P/N 2506, about $13 at my local Fry's. They come in aluminum and black anodized. The board slides right in to the grooves. GREAT quality. You can go with just about any box and mounting style you like, though.
#44
Yeah, I'm a little late too. I'd like to get a board if available.
Ken
Ken