I have to watch what I'm typing a little closer. I meant to say "You can't buy the parts this cheap."
Joe Gray W5JG On Sun, Dec 14, 2014 at 8:56 AM, Chris Albertson <albertson.ch...@gmail.com> wrote: > It's not worth making a PCB, not when you can buy the whole thing already > assembled for $3 with free shipping. I use these just as if they where a > single chip and put them in a socket. See eBay 141505833625 as an example. > Those holes are in 0.1 inch centers so you can figure out the size. (I > get 1.3 inches long.) direct link > <http://www.ebay.com/itm/ARDUINO-PRO-MINI-Nano-Pro-Mini-atmega328-Compatible-Nano-5V-16M-/141505833625?pt=LH_DefaultDomain_0&hash=item20f267aa99> > > I'll write up what I built. It would be good to see the range of these. I > tried to make mine as simple an low cost as possible without regard to > anything else. Just to find the bottom line. I doubt I would have met > that gaol by using a bare AVR chip. That is NOT simple because it requires > so much more skill from the builder and with an entire working Arduino > selling for $3 how much could you save? Actually the chips on that $3 > board cost more than $3. (I don't even see how shipping from China can be > that cheap.) > > On Sat, Dec 13, 2014 at 10:56 PM, Patrick Tudor <ptu...@ptudor.net> wrote: >> >> >> > On Dec 13, 2014, at 9:47 PM, Chris Albertson <albertson.ch...@gmail.com> >> wrote: >> > >> > Actually I've added some features to it like a 2 line by 16 character >> LCD >> > display and some status LEDs. And I can log data to a computer via a USB >> > cable so it is easy to plot data and it is using my more expansive mast >> > mounted timing antenna. >> >> >> Just in case any of you like reading Arduino code, for fun or functions to >> copy-and-paste, >> the code for my PCB that combines an ATMega328p with an Adafruit GPS and >> 16x2 LCD to display GPS info as it sends the PPS out the DB9 DCD is at >> GitHub. >> It's not exactly, say, measuring oscillator cycles (yet... ) but it's >> perhaps >> a good introduction for someone who's never ever before used anything >> Arduino. >> (And now that I've done more PCBs with Cypress and FTDI chips, I wish I'd >> put >> that straight on my board instead of as a future daughterboard, but, >> feature creep.) >> >> https://github.com/ptudor/jemma-clock >> >> PT >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > > -- > > Chris Albertson > Redondo Beach, California > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.