Hi guys, I've built Jaluino v1.2, LED is blinking ! I miss part for 3.3V but I should get in few days. I'll post something on jalliblog soon.
Cheers, Seb -- Sébastien Lelong http://www.sirloon.net http://sirbot.org 2009/9/4 Sebastien Lelong <[email protected]> > Hi guys, > > About 3.3V regulator, I now know I've options on eBay for 3.3V with LM1086. > But I also found this one: LM1117T. Is it possible to use it ? Dropout > voltage: 1.2V > > > http://cgi.ebay.fr/LM1117T-LM1117-Low-Dropout-Voltage-Regulator-3-3V-800mA_W0QQitemZ400068667962QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5d25f36a3a&_trksid=p3286.c0.m14 > > > > Cheers, > Seb > -- > Sébastien Lelong > http://www.sirloon.net > http://sirbot.org > > > 2009/9/2 Richard <[email protected]> > > >> >> >> On Sep 2, 6:28 pm, Sebastien Lelong <[email protected]> >> wrote: >> > > I have made two boards, one (V11) for LF33CV and one (V12) for >> > > LD1117V33 so you can choose which one you want >> > >> > OK, to sum up: >> > >> > - V11: 3.3V with TO220 package, pinning Input Ground Output (LF33V) >> >> Yes >> >> > - V12: 3.3V with TO220 package, pinning Ground Output Input >> (LD1117V33, >> > LM3940, LM1086) >> > >> >> Yes for LD1117V33 and LM1086 but LM3940 is a Input Ground output thus >> V11 >> > >> > >> > > On 2 sep, 14:29, Sebastien Lelong <[email protected]> wrote: >> > > > Is L78L33ACZ an option ? TO-92 package, could be used instead of >> TO-220. >> > > But >> > > > only 100mA output. I don't know if electrical specs are compatible >> too... >> > >> > > I rather use a TO-220 one with more power so you don’t blow up so easy >> > > (its still a testing board). >> > >> > > I thought making 2 pcb’s solve the problem of the two different TO220 >> > > pinning , are you adding a third option TO-92 Thanks :-). >> > >> > Sorry... but I found this one used in a "Duino328 board", that's why I >> > suggested it. >> > >> > >> > >> > > Please check this: >> > >> > >http://cgi.ebay.com/980ct-Voltage-Regulators-Linear-IC-LDO-5A-3-3V-TO. >> .. >> > >> > Looks good, but I don't plan to buy 980pcs for 1211$ ! >> >> Oeps, sorry >> > >> > >> > >> > >http://cgi.ebay.com/NATIONAL-LM1086CT-3-3-3-3V-1-5A-LDO-Regulator-12P. >> .. >> > >> > Seems ok for me. >> > >> > >> > >> > > What about Conrad, is this an option? >> > >> > >http://www.conrad.fr/webapp/wcs/stores/servlet/CatalogSearchFASResult. >> .. >> > >> > Sure, but it's like Farnell, they have lots of things, but shipping is >> high. >> > I tend to search on eBay because of low prices, it may not be the best >> > option now, but since it's about prototyping and testing the board, I >> try to >> > lower my costs... Once we're pretty sure about the design, we'll provide >> BOM >> > from Farnell or Conrad, and to have an idea about the costs when >> ordering >> > from "rated" company. >> > >> OK, i understand but don't you have a local store in paris where to >> buy components because ebay is very limitted and not always cheaper >> >> > >> > >> > > I will upload the two boards in SVN this evening with V11 and V12 >> > > addition if its OK with you >> > >> > OK, great ! >> >> Don >> >> > >> > Cheers, >> > Seb >> >> Greetz >> >> Richard >> >> >> > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
