But you will have to pay import dutyby annodomini2 - General
Larry_Pfeffer Wrote: ------------------------------------------------------- > Larry_Pfeffer Wrote: > -------------------------------------------------- > ----- > > > I just found out about a low-cost board with an > > LPC1768 chip, with the I/O lines broken out to > > header pins. > > > > > > roducts_id=65 > > > > The price is rigby annodomini2 - Controllers
Step distance setup correctly in the firmware?by annodomini2 - Reprappers
aka47 Wrote: ------------------------------------------------------- > Bodgeit pretty much has connecting both layers > covered. > > For protecting your baords and components try any > of the usual PCB chemicals suppliers for conformal > coating. (spray on coating ina an aerosol can) it > works fine. > > If you want something a little faster and more > local try anby annodomini2 - Controllers
I believe BodgeIt was building one from Kitchen mounting blocks.by annodomini2 - Plastic Extruder Working Group
Or just get rid of those, (IMO) stupid, TTL signals anyway. Beagle's concern has got nothing to do with industry and more praticallity, 3.3v will suffer from more EMI as a percentage than 5v.by annodomini2 - Controllers
casainho Wrote: ------------------------------------------------------- > SebastienBailard Wrote: > -------------------------------------------------- > ----- > > I've added [] and [] to the wiki. > > > > > > onics > > > > > > onics > > > > It may be good to give Generation 4 its own > forum, > > since we'll see a lot ofby annodomini2 - Next Wave Electronics Working Group
casainho Wrote: ------------------------------------------------------- > annodomini2 Wrote: > -------------------------------------------------- > ----- > > If you want a cheap LPC1343 look at LPCxpresso, > > their £20 and come with free dev tools and a > full > > JTAG. > > > > Ok its not the open solution, but it will help > > with development. &by annodomini2 - Next Wave Electronics Working Group
If you want a cheap LPC1343 look at LPCxpresso, their £20 and come with free dev tools and a full JTAG. Ok its not the open solution, but it will help with development.by annodomini2 - Next Wave Electronics Working Group
casainho Wrote: ------------------------------------------------------- > annodomini2 Wrote: > -------------------------------------------------- > ----- > > Another point 1 key feature of the LPC13 series > is > > they have integrated USB ISP bootloader, which > > makes the flash of the device behave like a > > conventional USB memory stick. This is > >by annodomini2 - Next Wave Electronics Working Group
Another point 1 key feature of the LPC13 series is they have integrated USB ISP bootloader, which makes the flash of the device behave like a conventional USB memory stick. This is 'programmed' at the factory in the boot ROM. So no messing around with ICSP programmers.by annodomini2 - Next Wave Electronics Working Group
The LPC13xx series is cortex M3 The LPC11xx series is cortex M0by annodomini2 - Next Wave Electronics Working Group
dissidence Wrote: ------------------------------------------------------- > hmm i dont know about running each stepper at a > different voltage, i think that would make it > allot harder. but i would like to see a single > power plug on the backplain so that it would be > less clutter on the device overall. i am also > thinking it might be a good idea to make some sort > of pby annodomini2 - Controllers
nophead Wrote: ------------------------------------------------------- > Yes but safety regulations require the maximum > load to be stated correctly, so these are > fraudulent. They rely on the fact that PC's don't > take the load they state under normal > circumstances. > > If it is a 450W PSU you should be able to load it > up to 450W, keeping each rail within its currby annodomini2 - Mechanics
JohnWasser Wrote: ------------------------------------------------------- > "RS232" should mean +/-12V serial > "TTL" should mean 0-5V serial > Is there a term that implies 0-3.3V serial? Technically TTL is 5v, but many modern microcontrollers operate at 3.3v not 5, hence the 2 different types. I beleive TTL was used because its convenient, changing the context to be TTL meaning ic ouby annodomini2 - Controllers
Try the obvious, removal and reinstall. I know it sounds a bit windows, but linux isn't perfect eitherby annodomini2 - Reprappers
Did you install it through the application manager or manually?by annodomini2 - Reprappers
JohnnyCooper Wrote: ------------------------------------------------------- > > These things are just begging to have hydraulic > linear actuators strapped to either side of the > moveable jaw. The digital output is already taken > care of which begs for DC servo implementation > driving the hydraulics. Couple of things, Hydraulic cylinders suffer from very high static frictioby annodomini2 - Kartik M. Gada Humanitarian Innovation Prize
Looks to me like gEDA's not installed correctly from the initial error messages. Which distro are you running?by annodomini2 - Reprappers
Hey all, I've been posting a while, also based in Cheltenham, want to know if any of the Cheltenham users are still active, none look to have posted for a while? Annoby annodomini2 - United Kingdom RepRap User Group
My plan would be open source, stupid not to in the spirit of the reprap, the AVR chips are more expensive than the LPC, but if you wish. Environment compatibility is irrelevant, its just adapting the core operations to provide a similar interface, this can be done for most micro's that support ISP.by annodomini2 - Controllers
johnrpm Wrote: ------------------------------------------------------- > I know nothing about licensing issues, but fully > support the open source > nature of Reprap and will help wherever possible > in the collective effort, but as soon as any > commercialism becomes apparent, I am out of here. > In the past I have felt cheated when a forum or > community introduces the monby annodomini2 - Administration, Announcements, Policy
BeagleFury Wrote: ------------------------------------------------------- > annodomini2 Wrote: > > Finally the cost of the shield type systems is > > higher than a dedicated system and can offer > > technical problems in the operation of the > system. > > Cost seems like a lesser concern than availability > and flexibility (electronics-wise). > > It's sortby annodomini2 - Controllers
BeagleFury Wrote: ------------------------------------------------------- > >> Personally I think there is actually a need to > move away from Arduino or at least the AVR 8bit > core. > > I disagree. I still feel the officially > documented electronics should include "simple to > build", "easy to find a place to purchase one", > and "inexpensive". > > If yoby annodomini2 - Controllers
Bruce Wattendorf Wrote: ------------------------------------------------------- > I am all for that since it is 32 bit. I just do > not know about anybody else? > > > It would be cool to go with a processor that has > room to grow and have enough power to do every > thing and then some. > I don't know how much resistance we would get. > > here is a good start toby annodomini2 - Controllers
Personally I think there is actually a need to move away from Arduino or at least the AVR 8bit core. I respect its an easy stepping stone for most to get into electronics/software, but the capabilities of the AVR 8-bit core are limited and the larger devices which are being approached such as the mega (ATmega1280) in order to attempt to compensate for these inadequacies are starting to show. Tby annodomini2 - Controllers
article on makerbot Programming 300 arduinosby annodomini2 - Firmware - mainstream and related support
It is but there are 2 variants of the USB to RS232 serial cable 1 for 5v chips and 1 for 3.3v chips. If you're prepared to put up with 3.3v you can hack a Nokia CA-42 data cable. There about £2 or $3by annodomini2 - Controllers
A main board idea has been posted before, if you search back through the Electronics forum, an individual has done one based on an STM32 Cortex-M3 ARM chip, as has been said there needs to be a cost benefit. Also the board needs to be very reliable, the main benefit I see will the separate motor boards is the capability to replace them if they break. The stepper drivers are $30 assembled from maby annodomini2 - Reprappers
Basically you can have one or the other. If you already have a Sanguino and are building the board yourself, then use the Sanguino (unless its needed for other things), you don't need the soldered on part in this case. Otherwise if you buy the assembled kits from Makerbot, it will come with the LQFP part soldered on no need for the Sanguino. (Unless you need the debugging capabilities.by annodomini2 - Controllers