Search found 42 matches

by evanrich
Fri May 18, 2012 9:54 am
Forum: BatchPCB
Topic: Dummy layers to get 4-layer rules in DRC?
Replies: 5
Views: 1628

Re: Dummy layers to get 4-layer rules in DRC?

The board is $8 instead of $2.5 and I don't really mind as the alternative is my other supplier at $200. My other supplier would give me 5 panels of 90 boards pr panel in 5 days though. I just don't need $200 worth of junk if they don't work... Also, I actually may need to go 4-layer so then the la...
by evanrich
Thu Feb 02, 2012 10:33 am
Forum: PCB Design Questions
Topic: my first,simple PCB design in eagle-did I do it right?
Replies: 16
Views: 6066

Re: my first,simple PCB design in eagle-did I do it right?

Not bad for a first attempt at hand routing. (12 mil trace can handle half an amp so you are probably ok) 12 mil can handle more than that. depending on temperature rise allowance, it can handle ~1A. I've got 16mil traces, can handle 1.2A Also, you should google what a decoupling capacitor is for, ...
by evanrich
Mon Jan 30, 2012 12:11 pm
Forum: PCB Design Questions
Topic: possible to have two power polys on the same layer?
Replies: 2
Views: 611

Re: possible to have two power polys on the same layer?

I guess you're right, I just figured that it would fill the best of both out, but what you said makes sense. I tried it on a small area and it worked as intended, so I'll just have to hand draw the entire 5v plane out. Edit: I guess what I am looking for is if there is a way to have a wire expand ou...
by evanrich
Mon Jan 30, 2012 12:07 pm
Forum: PCB Design Questions
Topic: EEPROM and Eagle
Replies: 2
Views: 1676

Re: EEPROM and Eagle

^^ Agree. I've made dozens of parts myself. just grab the data sheet and start copying. Very easy to do.
by evanrich
Thu Jan 26, 2012 4:40 pm
Forum: PCB Design Questions
Topic: possible to have two power polys on the same layer?
Replies: 2
Views: 611

possible to have two power polys on the same layer?

In eagle, specifically 6.1, is there a way to have two power polys (+5 and GND) on the same layer, but of course isolated? I've got 5V and GND traces all over the place, and I'd like to be able to lay down planes for 5V where possible to increase current capabilities. I have a problem though, becaus...
by evanrich
Thu Jan 05, 2012 4:10 pm
Forum: PCB Design Questions
Topic: I want to have my prototypes robot assembled
Replies: 4
Views: 950

Re: I want to have my prototypes robot assembled

dorkbotpdx and advanced assembly I am working with so far there awsome! Dorkbotpdx has fast boards and made in USA. How much are you paying for assembly? I'm workign on a 39.3x54mm board, that has 40-some parts on it, 1/3 are 0402 or QFN packages...very hard to hand solder. I have been using stenci...
by evanrich
Thu Jan 05, 2012 4:06 pm
Forum: SparkFun Product Questions
Topic: Who assembles your boards?
Replies: 2
Views: 456

Who assembles your boards?

Do you do it in-house with an oven? or do you send them out somewhere else?
by evanrich
Fri Aug 05, 2011 8:39 am
Forum: SparkFun Site Questions/Comments
Topic: Poor to Non-existant customer service department
Replies: 1
Views: 926

Poor to Non-existant customer service department

I've been in a customer or technical support position my entire life, so I think I might know one or two things about providing decent customer service. Up until now, Sparkfun seems to have decent customer support, but I cannot make that claim anymore. I placed an order at the end of July for qty 5 ...
by evanrich
Fri Jul 22, 2011 9:41 am
Forum: BatchPCB
Topic: order status screwed up?
Replies: 2
Views: 1054

order status screwed up?

so looking at the order status, I see this:
Image

still shows processing, yet for 2 days now my order has been on it's way to me. Is your system broken?
by evanrich
Thu Jul 21, 2011 8:25 am
Forum: Arduino
Topic: RFID(CR003t) Not working with uno
Replies: 5
Views: 900

Re: RFID(CR003t) Not working with uno

you can start with something like this: int incomingByte = 0; void setup() { Serial.begin(9600); } void loop() { if (Serial.available()) { incomingByte = Serial.read(); } Serial.println(incomingByte,BYTE); } however this will only read one byte. What you need is something more like this: int incomin...
by evanrich
Wed Jul 20, 2011 11:21 pm
Forum: Arduino
Topic: RFID(CR003t) Not working with uno
Replies: 5
Views: 900

Re: RFID(CR003t) Not working with uno

dude, u have the same reader?... Cr003t? I'll try this out.. I am going to get confirmed 125khz rfid tags tday.. Had unconfirmed tags maybe 13.somethint mhz. So, this returns absolutely no seriial value initially if NO tag is present? Thanks a ton :) No, I am not using a passive reader, but from th...
by evanrich
Wed Jul 20, 2011 5:57 pm
Forum: Arduino
Topic: RFID(CR003t) Not working with uno
Replies: 5
Views: 900

Re: RFID(CR003t) Not working with uno

I got this rfid reader today and it dosnt seem to work.. as i understand, if i connect it's tx to arduinos rx, it should give me an STX value of 02h. Or something like that.. So.. How is this supposed to work exactly.. My code is: int incomingByte = 0; void setup() { Serial.begin(9600); } void loop...
by evanrich
Mon Jul 18, 2011 9:38 am
Forum: BatchPCB
Topic: Can you do castellated pads with BatchPCB
Replies: 4
Views: 1949

Re: Can you do castellated pads with BatchPCB

Is it possible to do castellated pads, which appear like a normal circular pad cut in half, with BatchPCB? These are boards that you place flat onto another board, and solder in the cup. http://screamingcircuits.typepad.com/.a/6a00d8341c008a53ef010535d51230970c-800wi Thanks! -Seth you should try co...
by evanrich
Mon Jul 18, 2011 9:37 am
Forum: BatchPCB
Topic: where to order PCBs from
Replies: 1
Views: 981

Re: where to order PCBs from

I've looked for a long time, and BatchPCB seems to be the cheapest so far. You could try one of the chinese suppliers, like PCBCART.com, but they have high setup fees for the first run of each design. My recommendation, consolidate your order, so you run 4 or more designs at once...you'll save on th...
by evanrich
Tue Jul 12, 2011 8:59 pm
Forum: BatchPCB
Topic: Status tracking spreadsheet
Replies: 1
Views: 802

Re: Status tracking spreadsheet

1520 processed on the 1st :)