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so got little 7-segment bubble display 4 digits sparkfun. got 1 of shift registers ( 74hc595n ). i've had success in past getting these work together. have issue. i'm trying timer using these. coded number, 300, scetch 4 different values: a=0,b=3,c=0,d=0. after squashing bugs, works.... except when reaches 0267, digits except last go blank (it remains on 8) , stops counting. thinkng arduino (uno) going bad after abuse sent through, uploaded code new(er) uno. still acts same. seems though stops executing code after time. the 2 conditions in loop are code: [select] now=millis();    while(millis() - < 1000){ and code: [select] seconds = (a*1000)+(b*100)+(c*10)+d; if(seconds>0){ neither of 2 designed stop execution of code. code: [select] // define numbers const int numbers[] = {0b11111100,0b01100000,0b11011010,0b11110010,0b01100110,0b10110110,0b00111110,0b11100000,0b11111110,0b11100110}; // 0-9 // set enable pin const int en = 10; // set low when ...

hello i've bought raspberry pi 2 b recently, , somehow cannot 64gb samsung evo microsdxc uhs-1 working. have tried numerous methods; including: 1) booting whilst placing noobs (having exfat) 2) booting whilst placing noobs on 750mb partition fat32 3) writing image of raspbian wheezy on microsd using flashnul (win32diskimager froze) 4) booting whilst placing noobs on varying size of fat32 partition. i've tried booting 16gb samsung pro mircosdhc ush-1 , works card, using other projects. help! wilco for booting problems there this: viewtopic.php?f=28&t=58151 more point read other sticky: viewtopic.php?p=677748#p677748 raspberrypi

hi there ! don't know if noticed release of game "little space duo" linux : http://www.jugilus.com/index.html non-free game, once released windows, , today available mac , linux. quite polished puzzle-arcade game, polished graphics , sound remember old c64 musics (with today audio effects). unlike budget games don't have plot , colorful graphics, little space duo can considered finished game (i don't talk free games are, mostly, unfinished , boring) bought $10 , finished yesterday. wonder if can near future of linux gaming, : - big companies such ea or activision don't @ linux marketshare tiny (it not interesting port game less 10,000 copies sold) - id software seems abandon linux support - runesoft don't port linux games anymore - lgp releases 3 games / year, of them 4 times more expensive windows version (unlike lsd, same pricing policy each platform) - boxed copies imply postal fees, unlike downloadable ga...

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why hate ubuntu much, , yet debian same thing! (gentoo biggest joke in world btw) let me post before gets closed Forum The Ubuntu Forum Community Ubuntu Community Discussions The Cafe 4chaner's hate Ubuntu users Ubuntu

ciao tutti, è da un po che non frequento il forum e ogni tanto torno alla carica con miei progetti stampalati  premesso che ho cercato nel forum e con google ma non ho trovato molto, quello di cui avrei bisogno è uno shield (tipo waveshield) per riprodurre dei files audio wav in loop, senza che si senta lo "stacco" tra un ciclo e l'altro ovviamente, e che abbia due canali audio. esiste qualcosa del genere? grazie per l'aiuto lo stacco non dipende dall'hardware ma dal software,    che qualità wave vuoi ottenere? lettura da sd o da eerom esterna? Arduino Forum > International > Italiano > Hardware (Moderator: leo72) > shield per audio wav con loop e due canali? arduino

alright, designing own air ride system using arduino , 8 solenoid valves, 4 rotary position sensors, , touchscreen controller. have done fair bit of research , have touchscreen working menus want done. have not ordered parts yet, trying wiring schematic ready go before start ordering parts. these valves going (link below). 12v, 3/8", closed solenoid valves (part no: vxd2130-03n-6g1b) http://www.smcpneumatics.com/pdfs/vxd2.pdf i have arduino mega board. based wiring schematic around playground solenoid tutorial (http://playground.arduino.cc/uploads/learning/solenoid_driver.pdf). used same schematic 8 times. from top bottom connected pins 30-37. schematic: i wanted ask, 2 pins above pin 22 +5v out, , 2 pins below pins 52 , 53 ground correct? your wiring diagram useless unless label nets, i.e connections in each of 2 parts have posted. it's impossible tell pins on arduino connect transistor etc. btw, diagramming tool using.? ...