Hi Sean, Found the code at Github...will be looking forward to the schematic once you post it....thanks again
Robert W8UUU On Jul 18, 11:49 am, Sean Voisen <[email protected]> wrote: > Hi Robert, > > Thanks! The code is on > Github:https://github.com/svoisen/mercury_retrogradeThe schematic is not. I > think I still have it in Eagle - I will try to get that posted up > there as a PDF as well. But you are right, it's a 3-axis > accelerometer that is used to detect shakes and tilts. > > The clock is 6-way multiplexed using a single 74141 driver. Also there > is no RTC. Instead I use the Atmega with 16Mhz crystal to keep time > and use a supercapacitor for backup power. It keeps surprisingly good > time. You're free to try the design - I'll let you know when I get the > schematics up - but a clock with buttons would certainly be easier :) > > Sean > > > > > > > > On Fri, Jul 15, 2011 at 9:24 AM, neutron spin <[email protected]> wrote: > > That clock has to be one of the coolest I've seen!....One > > question...do you need to shake it that hard to change modes?....A > > tilt switch like in my Android is very easy to activate but you > > probably need more axis or modes so ...(X/Y/Z) so accelerometer was > > needed. I do have an Arduino that is collecting dust on a shelf...The > > IDE was sort of flaky to me...perhaps I should dust it off and give > > your design a try...if it is OK with you...Is all the info on > > Github....schematic, etc.? If the code is available that would at > > least get me started. I have some IN-15's I believe with sockets > > laying around here ....I think once I made something that works it > > would give me more confidence in tackling more advanced > > projects....thanks again > > > Regards > > Robert > > > On 15 July, 11:44, Sean Voisen <[email protected]> wrote: > >> If you're a bad/beginner programmer, I think the easiest way to get > >> started is to build your own simplified Arduino clone on a breadboard > >> or perfboard and use the Arduino IDE and libraries for programming. > >> Get an FTDI adapter from Sparkfun and an Atmega328 with the Arduino > >> bootloader already on it. (The alternative is to buy an Arduino and > >> pop the chip out.) Build your clock around your perfboard clone. There > >> are tutorials scattered about the Internet on how to build an Arduino > >> clone on breadboard/perfboard, and the Arduino schematics are readily > >> available. > > >> This is exactly how I built my first > >> clock:http://voisen.org/portfolio/mercury-retrograde/(I'llhappily share > >> the source if you want it.) > > >> Sure, Arduino is hyped, but there's a reason for that. The Arduino > >> "Wiring" libraries are really the key. They make AVR programming super > >> simple by abstracting away the complexity of AVR Libc. This eliminates > >> the need for AVRStudio (a beast of a program) or buying an AVRStudio > >> compatible programmer (expensive). Once you're comfortable with the > >> Arduino libraries, it's much easier to move to straight AVR Libc if > >> you want. > > >> Really the Arduino isn't anything special. It's just an Atmega328 > >> microcontroller + USB + power supply in a nice form factor with nice > >> libraries and an (albeit crappy) IDE. But it has a huge and friendly > >> user community, and tutorials/examples galore. > > >> My two cents, > >> Sean > > > -- > > You received this message because you are subscribed to the Google Groups > > "neonixie-l" group. > > To post to this group, send an email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group > > athttp://groups.google.com/group/neonixie-l?hl=en-GB. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
