It looks nice. Where you will order the pcb? Olimex? Vasi(funlw65)
On May 19, 10:02 pm, Florin Tanasa <[email protected]> wrote: > On Wednesday 12 May 2010 09:47:11 vasile surducan wrote:> On Tue, May 11, > 2010 at 10:02 PM, Florin Tanasa > > <[email protected]>wrote: > > > > Hi Vasile, > > > > On Tuesday 11 May 2010 07:03:11 vasile surducan wrote: > > > > On Mon, May 10, 2010 at 12:46 PM, Florin Tanasa > > > > <[email protected]>wrote: > > > > > Hi Vasi, > > > > > > On Monday 10 May 2010 22:10:44 funlw65 wrote: > > > > > > Hi Florin, > > > > > > > Be careful, test the 555 pulse generator on a breadboard first. It > > > > can > > > > > > > be very noisy (at least SN7400N quadruple 2-input NAND gate, used > > > > > > by me as train pulse generator, it was). If you have too many > > > > > > pulses as normal then you must use an "optocoupler" between (or > > > > > > maybe using an 12F675 as pulse generator with a potmeter on an adc > > > > > > input to increasing/decreasing frequency?). > > > > > > Thanks for the tips. > > > > > Hi all, > > > > > I change the schematic and now looks like easypic6 :) > > > > > Other opinions? > > > > > > I guess you're on the same boat with Vasi (looking at the > > > > > pictures > > > > of > > > > > wind rattle with romanian and EU flag on the tail...) > > > > Something like that, but now I change the tail with a new, now I do not > > > have > > > any flag. > > > > > Your schematic has too small fonts on VDD and VSS and is hard to > > > > read. If you want opinions, please edit your schematic in such manner > > > > it can > > > > be > > > > > easily read. > > > > Fonts are really pretty low for VDD, now we have expanded. > > > Thank you for your attention. > > > You are using two supply voltages on your board. > > Are you sure your LCD/GLCD/DS18B20/555/DS1307 does not work at 3.3V ? > > > Your keypad does not have a common interrupt output? > > > On PWM and power outputs connectors you need an open collector and a > > positive power voltage rather than GND which is useless. > > > You have the same ground for both analog inputs and power outputs (mostly > > PWM which are noisy as hell) > > > There is no loESR capacitor on your board. It must be at least one in the > > PWM/power section. > > > SW7 is short-circuiting SW1 to SW6, why is that necessary? > > > RV1 to RV3 are useful if are connected to something (analog encoder, > > actuator feedback, etc) and having three hand-actioned potentiometers on > > the same board can be used with difficulty. > > > Clock calendar is just a fancy extension, on most PICs is not necessary, > > and if you don't have battery backup can be useless. > > > Instead of JP10 and JP11 why don't you connect RV5 between VEE and +5V. > > > My consulting fee is 50 euro/hour for amateur designs. > > > thank you, > > Vasile > > Hi Vasile, > Thanks for answers. > You're a good man. > > Hi all, > I made some changes to the shield and with great difficulty I made the PCB > design. Tracks have 0,25 mm thick. > Attach some pictures of kicad. > In the image snapshot8 because I do not have header with long pin I was > thinking to put strip pin on the copper side. > -- > Florin Tanasahttp://sites.google.com/site/florintanasa/ > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To post to this group, send 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/jallib?hl=en. > > shields_kicad_jaluino_glcd.pdf > 152KViewDownload > > snapshot5.png > 140KViewDownload > > snapshot6.png > 130KViewDownload > > snapshot7.png > 153KViewDownload > > snapshot8.png > 203KViewDownload -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send 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/jallib?hl=en.
