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Showing posts from July, 2010

proximity sensor + electret microphone = no compatible??

hey guys, i having trouble when connect , infrared proximity sensor ( http://www.sparkfun.com/products/242 ) , preamplified electret microphone ( http://www.sparkfun.com/products/9964 ). when connect sensors separately, work perfect, when connect both electret microphone reads signal of 1023 (5v) @ time. do have voltage different power sources? weird. thanks, here leave electret mic sketch read signal if necessary. code: [select] const int micpin = a2;    int valuemic = 0; int valuemicmax = 512; int valuemicmin = 512; void setup() {   serial.begin(9600); } void loop() {   (int =0; < 100; i++){     valuemic = analogread(micpin);     if (valuemic > valuemicmax){       valuemicmax = valuemic;     } else {      if (valuemic < valuemicmin){       valuemicmin = valuemic;       }     }    }   valuemic = valuemicmax-valuemicmin;   serial....

[OT] De vuelta y con propósito de enmienda :-)

hola amigos muchos y compañeros todos. estoy de vuelta después de un tiempo desconectao totalmente, os deseo un feliz año nuevo, y buenos deseos para todos en esta nueva etapa. vamos ver qué tal se porta este nuevo año, seguro que lleno de nuevos proyectos para todos. un abrazo. this multi-part message in mime format. ------=_nextpart_000_0012_01c72e6e.86c66e20 content-type: text/plain; charset="iso-8859-1" content-transfer-encoding: quoted-printable bienvenidos hijo del rock'n'roll le saludan los aliados de la noche... lucas sevilla www.lucassevilla.info www.gestproyect.info=20 "fco. moreno" <funmaker@quitaestoya.com> escribi=f3 en el mensaje = news:endh3b$1rl$1@forums.macromedia.com... hola amigos muchos y compa=f1eros todos. estoy de vuelta despu=e9s de un tiempo desconectao totalmente, os = deseo un=20 feliz a=f1o nuevo, y buenos deseos para todos en esta nueva etapa. vamos ver qu=e9 tal se porta este nuevo a=f1o, seguro que lleno...

Controllare Arduino tramite iPhone

salve tutti, come da oggetto vorrei controllare una scheda arduino+ethernet shield tramite un iphone/ipad. la scheda ethernet è quella ufficiale con w5100. preferirei non usare app touchosc. sarei orientato ad una architettura jquerymobile e senza passare da un pc di appoggio (ad esempio tramite processing e gestione seriale da parte di arduino). si trova documentazione in merito? saluti tutti. ciao harduino87, un chiarimento al tuo topic: il tuo dubbio riguarda lato iphone, quindi costruire un app, oppure lato arduino quindi mettere in piedi una soluzione per la ethernet shield? ciao Arduino Forum > International > Italiano > Generale (Moderator: leo72) > Controllare Arduino tramite iPhone arduino

Any experts on embedding a video in a page?

i have created video embed in website. goal have video play on page automatically , have button click sound. currently have link page explaining media player required , link download media player seems cumbersome; http://www.gigharborrealestate.com/photostory.htm the link directly video http://www.gigharborrealestate.com/gigharbor640.wmv try http://www.swishzone.com/index.php?area=products&product=video&tab=overview its amzing tool. -- ayokunle joel-taiwo "egigharbor" <webforumsuser@macromedia.com> wrote in message news:en3s18$ah9$1@forums.macromedia.com... >i have created video embed in website. goal >to > have video play on page automatically , have button > > click sound. > > have link page explaining media player > required > , link download media player seems cumbersome; > http://www.gigharborrealestate.com/photostory.htm > > link directly video > http://www.gigharborrealestate.com/gigharbor6...

Register user question about the SQL database - Joomla! Forum - community, help and support

can pull registered user other database phpbb forum? i trying make easy login , have login 1 time read news , forums. you need sort of bridging component db/user info between joomla , phpbb can shared. unified logins should work after that. see joomla phpbb integration forum here: http://forum.joomla.org/index.php/board,216.0.html Board index Joomla! Older Version Support Joomla! 1.0 Administration - 1.0.x

External swf madness

i trying load external swf movie clip, when test file movie playing larger made movie clip loader. add following script swf movie trying load, , keeps scaling larger, not work on swf trying link to? have checked settings on both .flas , far can tell have them not scale either? advice appreciated always. thanks... load external swf empty movieclip target. long _level0 stage large enough display external swf display in full without resizing. More discussions in ActionScript 1 and 2 adobe

Questions about arduino UNO and my project

hi folks, i´m newbie arduino , eletronics, must after entered new "world" or arduino, realize bring toghether of wanna projects. i´ve aquired arduino uno, in order develop aquarium monitor system, many did in other sites , forum. i´m having issues capabilities of arduino, , if able deal sensors. question @ point related capacity of arduino , it´s pins. my project involves: 1) lcd module 4 switches keypad. 2) rtc module 3) ethernet , sd shield, access information on web , store sensor parameters on sd. 4) 1 temperature sensor probe 5) 1 ph probe 6) 2 relay modules, access hardware (pumps , so) 7) dimmable control leds, moonphase , so. can arduino uno support connections @ once? or run out of pins , need multiplex? any great daniel you might have pin conflict 1) , 3). i'd suggest wandering on shieldlist.org, looking shields, , verifying won't conflict. most rtc modules use analog pins 4 , 5. you're quite vague on 7). overall looks yo...

Thread: 'wbinfo -u' does nothing

i've followed samba how to, , says wbinfo -u should show users on domain. returns nothing. i'm trying join ubuntu 9.04 desktop client samba pcd. code: net rpc join -d mydomain -u me says: code: joined domain mydomain Forum The Ubuntu Forum Community Ubuntu Specialised Support Ubuntu Servers, Cloud and Juju Server Platforms [ubuntu] 'wbinfo -u' does nothing Ubuntu

Ausgang per Web schalten mit PHP

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hallo, allerseits, ich versuche mich gerade daran, den digitalen pin3 per webseite bzw. aus zuschalten. arduino ethernet -->webserver -->php-seite mit button und aus mein problem ist, mal wieder der anfang, einen sketch habe ich schon angefangen, aber ob er funktioniert weiß ich nicht, weil ich nicht weiß wie die php seite aus sehen muss   ich dachte da oder so,aber mehr weiß ich auch nicht.. mein sketch bisher sieht aus: code: [select] /*  webclient  es soll mittels einer php-seite, die auf einem webserver liegt,  ein oder mehrere ausgänge an/aus geschaltet werden. */ #include <spi.h> #include <ethernet.h> // ethernet einrichten byte mac[] = {  0x90, 0xa2, 0xda, 0x00, 0xee, 0xf3 }; // mac-adresse arduino ethernet byte ip[] = {192,168,178,230}; // ip-adresse arduino ethernet byte gateway[] = {192,168,178,1}; // gateway byte subnet[] = {255,255,255,0}; ipaddress server(192,168,178,111); // ip-adresse server char host...

multi rotary encoders via shiftIn

hello guys, got program that's not working ;-) what i'm trying read couple of rotary encoders, calculate if encoder turned cw (+1) or ccw (-1). when reading encoders put values in byte, gives me (when turning encoder 1 cw): 01111111 11111111 00111111 11111111 10111111 11111111 11111111 11111111 01111111 11111111 i decided ignore 11111111, means: sequence cw rotation: 00 10 11 01 sequence ccw rotation: 00 01 11 10 so not working: the values on place. when turning cw -1 or 1, same when turn in opposite direction. the 4th value of int encoders1[3] 280?? well, that's what's on display... here code: code: [select] //define pins are int latchpin = 8; int datapin = 11; int clockpin = 12; //define variables hold data //for each shift register. byte switchvar1; byte oldswitchvar1; int encoders1[3]; // include library code: #include <liquidcrystal.h> // initialize library numbers of interface pins liquidcrystal lcd(7, 6, 5, 4, 3, 2); ////-----------------------...

looping back through pagination

i have web page displays single record @ time , arrows go next or previous record in database. able loop beginning , start on when user gets end (xy enterprise) i'm not sure start. ideas how might this? alternatively might ok hide previous error if user on first record , hide next record when user on last record. More discussions in Develop server-side applications in Dreamweaver adobe

2 LPD8806 LED Strips controlled simultaneously

i kind of noob when comes programming, know little. can 1 change code can control 2 separate strips simultaneously running different variations of colorwipe() function. thank you    quote #include "lpd8806.h" #include "spi.h" // example control lpd8806-based rgb led modules in strip /*****************************************************************************/ // choose 2 pins use output. // can valid output pins. int datapin = 2;    int clockpin = 3; // set first variable number of pixels. 32 = 32 pixels in row // led strips 32 leds per meter can extend/cut strip lpd8806 strip = lpd8806(32, datapin, clockpin); // can use hardware spi, ultra fast writes leaving out the // data , clock pin arguments. 'fix' pins following: // on arduino 168/328 thats data = 11, , clock = pin 13 // on megas thats data = 51, , clock = 52 //lpd8806 strip = lpd8806(32); void setup() {   // start led strip   strip.begin();   // update ...

issue with 5490 perfboard setup

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hello, world. long time listener, first time caller. i'm hoping right section. a couple caveats: i not engineer, nor play 1 on tv. thus, ignorant re. exact physics behind doing. i not programmer, either, i've had luck arduino. hurray, arduino! ok, here's issue. looking fade high powered (2.5-3.5v, .5w) leds tlc5940. have tlc5940 libraries, , have run code intend run (a variation on example sketch "fades") on breadboard. breadboard powered 9v wall wart running 7805 circuit smoothing caps etc, , although not own oscilliscope, told setup makes relatively smooth, noise-free ~5v power supply. have not had problems in past. here's schematic: the problem arose after finished soldering. i've built board had on breadboard, including power supply, basic 555 flip-flop switch controlling power arduino, , tlc5940 rigged per "hardware setup" pics here. when hook arduino headers on board i've built , hit switch, 4.96v arduino. rest of board o...

IOError: [Errno16] Device or resource busy - Raspberry Pi Forums

probably supernoob question, supernoob pi , python. i'm testing out code raspberry pi user guide page 195, modified user can end script bit more gracefully. code: select all #!/usr/bin/env python import rpi.gpio gpio import time led_pin = 18 gpio.setmode(gpio.bcm) gpio.setup(led_pin, gpio.out) loopcontrol = 1 while loopcontrol == 1: gpio.output (led_pin, true) time.sleep(2) gpio.output (led_pin, false) loopcontrol = int(raw_input("press 1 loop again: ")) , getting following error: pi@raspberrypi ~ $ sudo python gpiooutput.py traceback (most recent call last): file "gpiooutput.py", line 9, in <module> gpio.setup(led_pin, gpio.out) file "/usr/local/lib/python2.7/dist-packages/rpi.gpio-0.2.0-py2.7.egg/rpi/gpio/__init__.py", line 103, in setup f.write(id) ioerror: [errno 16] device or resource busy pi@raspberrypi ~ $ if change led_pin number, 23, , move circuit appropriately, runs fine....

SSR Controling a massager, but only works on one speed... help

i have solid state relay http://www.ebay.com/itm/180842481825?sspagename=strk:mewnx:it&_trksid=p3984.m1439.l2649 i , messing around old messager. http://compare.ebay.com/like/220979207835?var=lv&ltyp=allfixedpriceitemtypes&var=sbar my goal make more vibrate @ 1 speed. the thing can pulse using blink script , works fine trying do. thing work on highest speed. know (if anything) can fix this? apologize if basic question. first real experiment arduino. that ssr looks on / off control type, not phase angle proportional type. turning on off blink led program going nothing you. an ssr turn off on mains cycle after input signal removed, don't have control. Arduino Forum > Using Arduino > Project Guidance > SSR Controling a massager, but only works on one speed... help arduino

mac osx 10.5.8. arduino 1.0 mega2560 replacement board and STILL not uploading..

hi. posted couple of posts arduino mega2560 ( 8u2 not 16u2 ) not uploading , arduino reporter spewing out: avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_getsync(): timeout communicating programmer avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_getsync(): timeout communicating programmer avrdude: stk500v2_receivemessage(): timeout avrdude: stk500v2_receivemessage(): timeout etc... well, kind people nichegeek in china sent me new board , again have same problem. the port connected is: /dev/tty.usbmodem1d11 the board selected mega2560/adk no response board on upload of simple sketches... same garbage sp...

Cannot SSH with RPi using PuTTy! - Raspberry Pi Forums

i'm tear hair out! i've read countless how-to's on connecting rpi using putty, , mine isn't working. i've tried using 2 networks (computer , rpi both connected home wi-fi, , both connected phone tether), neither work. if ping rpi address in cmd terminal, pings perfectly. however, whenever try , connect rpi "network error: software caused connection abort". don't know else try here. i've tried on cygwin well, didn't have success there either. ssh enabled on rpi, , seeing computer can ping rpi, has software issue somewhere? what ip address of both rpi , pc netmask how have connected [wireless or wired] router ip address raspberrypi

Thread: Please help package manager broken on fresh install

running hardy server on amd64 $ sudo apt-get update hit http://security.ubuntu.com hardy-security release.gpg ign http://security.ubuntu.com hardy-security/main translation-en_ca ign http://security.ubuntu.com hardy-security/restricted translation-en_ca ign http://security.ubuntu.com hardy-security/universe translation-en_ca ign http://security.ubuntu.com hardy-security/multiverse translation-en_ca hit http://security.ubuntu.com hardy-security release hit http://security.ubuntu.com hardy-security/main packages hit http://security.ubuntu.com hardy-security/restricted packages hit http://security.ubuntu.com hardy-security/main sources hit http://security.ubuntu.com hardy-security/restricted sources hit http://security.ubuntu.com hardy-security/universe packages hit http://security.ubuntu.com hardy-security/universe sources hit http://security.ubuntu.com hardy-security/multiverse packages hit http://security.ubuntu.com hardy-security/multiv...

modules headings missing - Joomla! Forum - community, help and support

hi in explorer have module table headings missing , heading on search page missing. i'll keep looking them let me know if can see why! thats looks in ie only? http://joomla.ds1171.dedicated.turbodns.co.uk/index.php?searchword=west+ham&option=com_search&itemid= search page heading because have no menu item search component. if create menu item > component > search and not publish it, should give title search page. Board index Joomla! Older Version Support Joomla! 1.0 General Questions - 1.0.x

Arduino as a Guitar Effects Switching Controller Question

hi, i'm guitarist , computer programmer (c/c++). i'm giving guitar effects setup overhaul. what i'd build switching system enables me footswitch between different effects loops. require 1 loop active @ time. i'd switching foot-controlled, 1 switch each effects loop. i'd switching work when footswitch particular channel pressed, channel switched on while others switched off (hope that's clear). i plan on using runoffgroove splitter/blend <http://runoffgroove.com/splitter-blend.html> basic circuit, need figuring how make switch controller. use arduino or else me better? there arduino projects use similar switching? other advice welcomed. cheers, chris so want use arduino control relays between green send & return, , red send & return, example? that'd pretty basic stuff do.  read digital input, when goes low switch being closed, open current closed relay , close next 1 in sequence. ...

Thread: Variable help

i creating 4 character variable with: od -an -n2 -x /dev/random how can put colon in middle command? e.g have 7a6f , want be: 7a:6f. how can achieve this? code: od -an -n2 -x /dev/random|sed s/\ ../\&:/ the first character output of od command space on debian (ie output " 1234") if ubuntu different (ie output "1234") use code: od -an -n2 -x /dev/random|sed s/../\&:/ Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [all variants] Variable help Ubuntu

Playing Mp3 With Arduino

hello guys i'm new here, for school project need know idea possible or not. have 5 buttons 5 different mp3 files to each button. want play track1 when press button1, track when press button2 etc.. now question is, possible without mp3 shield? thanks in advance. quote now question is, possible without mp3 shield? spend time investigating how mp3 file constructed. format available. then, @ processing power required decode mp3 file, , able answer question (hint, answer no). Arduino Forum > Using Arduino > Project Guidance > Playing Mp3 With Arduino arduino

Thread: CANNOT get sound to work. Sound cards not displayed.

i'm new xubuntu user bare me... switched windows xp... don't want go back... have geforce6100pm-m2 mobo, sound blaster audigy, , logitech z-10 speakers plugged usb , onboard sound (the first 1 worked me, temporaraly). got little display work on z-10's... sound used work on , off me , driving me nuts. followed https://help.ubuntu.com/community/soundtroubleshooting multiple times , got more 1 result. first sound worked , thought solved problem, when shut comp down , started up, didn't work. tried other steps , see z-10 usb speaker option in mixer. other cards not displayed @ when "aplay -l". but, when "lspci -v | less" see these: code: 00:05.0 audio device: nvidia corporation mcp61 high definition audio (rev a2) subsystem: elitegroup computer systems device 2609 flags: bus master, 66mhz, fast devsel, latency 0, irq 5 memory @ fe024000 (32-bit, non-prefetchable) [size=16k] capabilit...

Error with VB2010

hello, i have arduino send values vb2010 , depending on value, displayed in different label. below vb code: code: [select]     sub eventhandler(byval sender object, byval e system.io.ports.serialdatareceivedeventargs) handles serialport1.datareceived         dim datareceived boolean = false         dim recstr string = ""         while not datareceived             dim recval integer             recval = serialport1.readbyte()             if recval = 10 or recval = 13 then                 datareceived = true             else                 recstr = recstr + chr(recval)             end if         end while         if recstr <> ...

Amplifying signal with a Transistor?

hi, i building paper speaker driven digital output arduino, audio quiet. speaker quite small @ moment, 4ft in diameter eventually. what want amplify signal can increase volume. when connected amp, speaker loud enough, since creating sound rapidly switching digital pin on , off (rather inputting audio), don't want use amp. can make simple circuit make speaker louder? i've been researching last couple of days (assuming use transistor ) quite confused, , don't want mess without understanding circuit, since i'm worried damaging arduino. any appreciated, or @ least pointer in right direction. thanks, ben. maplins recommended transistor, bought them. don't entirely understand info on datasheet, dubious using (also looks requires 11 v input?? or 11v?): http://www.taiwansemi.com/db/pictures/modules/pdt/pdt060207001/ts7800_a07.pdf here schamatic want.   it's supposed solenoid, want.   you can delete diode speaker. ...

Enable Features based on User Login or Implied Group - Joomla! Forum - community, help and support

the ability have features available users based on user login essential "need" enterprise use of joomla.  software developer of acrobat , other adobe products, know without having ability control features available based on key information (e.g., serial number, license id, or in joomla's case: user name), not possible differentiate product various audiences use it.  differentiation enables skus such standard , pro versions of product, , allows creation of new skus based on particular set of features being enabled based on key information. while there few extensions (e.g., jaclplus) deal access level issues, there 2 major problems adopting them: not core, not feature-specific - need differentiate must built kernel of product.  every feature area of product should first check if feature enabled key data (again, in joomla's case, login user name).  features (either core features or extensions) developed third party developers, sure begin feature calling core function i...

Thread: Kubuntu on Acer Aspire One; monitor/screen problem.

i installed kubuntu 9.04 on netbook (acer aspire one). works good, , it. problem i'm having screen. every time close lid of netbook, screen turns off , when open lid, wouldn't turn on, computer still running. it's not on sleep or anything. hello, have tried @ power management settings? there can define system should if close lid. maybe problem can solved adjusting these settings. best regards chf Forum The Ubuntu Forum Community Ubuntu Official Flavours Support New to Ubuntu [kubuntu] Kubuntu on Acer Aspire One; monitor/screen problem. Ubuntu

Thread: Formatting 1.5 GB hard drive

i'm trying format 1.5 tb sata hard drive. when used gparted, error: not add operation list. partition cannot have length of -1 sectors. i'm using fresh install of 8.04. thanks! apparently not giving proper size partition. can post screenshot gparted? Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [ubuntu] Formatting 1.5 GB hard drive Ubuntu

Pullups for SPI voltage level translator

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hi all, i using 8-bit bidirectional voltage translator (txb0108; http://www.ti.com/lit/ds/symlink/txb0108.pdf) step down spi signals arduino display 3.3v 2.5v. question whether or not pullups needed between arduino , voltage translator. here schematic of translator: i have pull-down on output enable pin suggested in datasheet. understanding when outputs disabled, pins in high impedance state, prevent excessive current drain/sourcing while mcu initializes outputs. once output enabled, i'm little less sure. reasoning , because there inputs on "low voltage" side (nets marked _l) - i.e. on display - pullups needed keep pins in definite state when aren't actively being driven low. i'm not sure mcu -> voltage translator. should there pullups on line also? the device cannot tolerate pullups or pulldowns unless very weak (greater 50k).  drives weakly in steady state, strong drive on transitions.  smart device. so if worried in...

[RISOLTO] [OT] Display LCD HD44780 a 3,3V

sto cercando da alcune settimane un classico display cristalli liquidi ma con alimentazione 3,3v invece dei classici 5v con cui si trovano giro questi display. il problema è che su ebay si trovano o display grafici, che hanno un connettore con fili minuscoli inutilizzabili da un hobbista, oppure qualcosa tipo 16x2 ma in spedizione dalla cina. preferirei un venditore sul suolo europeo. conoscete qualcuno che li abbia? provato su rs, distrelech, digikey o quel sito che suona come robotic, non ricordo il nome preciso, ciao giorgio Arduino Forum > International > Italiano > Generale (Moderator: leo72) > [RISOLTO] [OT] Display LCD HD44780 a 3,3V arduino

Komponenten manuell installieren? - Joomla! Forum - community, help and support

hallo, hab das problem das bei mir der safemode on ist und ich somit die komponenten installieren kann. wie kann ich diese nun manuell installieren? der safemode-patch hat bei mir nicht funktioniert und der webhoster möchte den safemode nicht disablen... moin moin du bei mir war der safemod auch on, klappt aber mit der installation der komponenten trotzdem, hast du es mal probiert. manuelle installation: module/komponente/mabos entpacken auf deinen server im joomla verzeichnichs ordner:administrator--->components--->com_installer--->component/module/mambot hochladen, dann im adminbreich unter instalieren gehen rufst dann einen der bereiche auf, gehst auf installation aus verzeichnis  du brauchst dann nur noch ende den ordner namen eingeben. sunnyhh Board index Joomla! International Language Support International Zone German Forum Archiv Joomla! 1.0 Komponenten...

Background Colors

i new dreamweaver. have set background color on index page , wanted on pages. when looking @ index page , page in dreamweaver both background color want. index page looks great second page top rest of page in explorer or firefox white. how make pages background color like? thanks use css , attach style sheet every page. then specify background color of page (and font color, etc.) use f1 in dw on how attaché style sheet. hth, jon "graycin12" <webforumsuser@macromedia.com> wrote in message news:enm05l$ap3$1@forums.macromedia.com... >i new dreamweaver. have set background color on index >page > , wanted on pages. when looking @ index page , > > page in dreamweaver both background color want. index > page > looks great second page top rest of page in > explorer or > firefox white. how make pages background color > > like? > More discussions in Dreamweaver support forum adobe

Nick's Pong Clock, Arduino and Sure 2416 panels advice

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hi all, newbie both these forums , arduino in general go easy on me  i built pong clock going instructions on nick's blog ( http://123led.wordpress.com/about/ ) , has gone swimmingly. made few adjustments design code near enough code verbatim. i'd add functions (like dimming panels after 10pm) finding difficult decipher guts of sketch. know of threads can find more information regarding controlling these panels? i've read few posts of wesfw these forums , know laid down lot of groundwork libraries nick's clock uses tia, hope right section    hi, , welcome ! since admit being newbie might worth checking out info on pwm brightness control of leds since that's how these displays work.  place start jeremy blum youtube tutorial, here: http://youtu.be/_lccgfsmor4  give basic concept if don't have covered. the displays have brightness level capability, work you.  sketch clock uses in fade functions here:...

Running snort on Arduino

##disclaimer## i'm new electronics, if questions come across stupid please bare me. have start somewhere. ##end## ok. give brief outline of project. attempting run snort on arduino. doing using microsd store , run program from. th problem having that, don't know how run program microsd. if give me guidance/tips on how achieve this, appreciated. quote i don't know how run program microsd you can't. best can have interpreter running reads commands sdcard. what snort? Arduino Forum > Using Arduino > Project Guidance > Running snort on Arduino arduino

Raspberry Pi Forums - Login

username: password: i forgot password resend activation email remember me hide online status session   register in order login must registered. registering takes few moments gives increased capabilities. board administrator may grant additional permissions registered users. before register please ensure familiar our terms of use , related policies. please ensure read forum rules navigate around board. terms of use | privacy policy register raspberrypi

Leds and piezo (playmate for kids)

hello . i hope fine you, m brand new in forum , bit stressed how write mu questions (and in english moreover) so m building activities , playmate kids. intention transform piezo in (choc sensor) , when kids "shocking" piezo leds turn on. and want on scratch arduino (cause found more playable kids) bu m strulling hard electronic (it doesnt work) so coud feedbacks (i attached fritzing pattern) cause m lost. and want 6 piezos (i built wood , stuff playmate) have got clues ? cause first wanted in series (only 1 piezo work on same time,  quiet simple. (i wrote cause cause fail) thanks if support me im new challenges (and if need have got pictures waht done) hi, welcome forum. first off not make question poll, use pole when want people vote on question, should use start new topic. next when posting schematics best post them in form can read. not has fritzing because think bad thing use. best posting schematic not physical layout picture next impos...

Hospital Bed - Raspberry Pi Forums

hello, i'm quadriplegic , best friend siri , use siriproxy control devices have. have electric bed has functions head up/down, foot up/down , raise/lower. wired controller has 6 buttons , plugged in using 10p10c rj-50. uses 7 pins 2-8. fooled around them through rj-50 break out board , found pin 2 must ground because when pins 3-8 connect pin 2 perform function. using siriproxy control gpio's i,m doing.i need on wiring please. should use transistors, relay's or need @ put pin2 ground , pins 3-8 gpio. in advance input. it depends on how current connections take. i'd assume not lot push buttons. in case i'd go simple opto-isolators keep pi electronics separate bed electronics. connecting other pins pin 2 makes bed function. doesn't mean ground (unless tested meter). +5v or +3.3v or low voltage. you'll need check polarity first. don't see real problems getting working. circuit crude ascii art each pin. code: select all ...

cafe_townsend tutorial similiar file

i new flash had created biz proposal mimicking cafe townsend tutorial. created web page display swf file , uploaded it. once uploaded, swf file not pulling in external images. duplicated structure on testing server , works when post our server, background images not showing up. i found page http://livedocs.macromedia.com/dreamweaver/8/using/wwhelp/wwhimpl/common/html/wwhelp.htm?c ontext=livedocs_parts&file=gs_05_a9.htm where comments posted other people having same issue , 1 guy says figured out. me , our guy have been messing day long , have not found way images show. any ideas?????? sounds may have crossdomain issues - serach crossdomain.xml file "jason_sot" <webforumsuser@macromedia.com> wrote in message news:eo4ihs$r68$1@forums.macromedia.com... >i new flash had created biz proposal mimicking cafe > townsend tutorial. created web page display swf file , > uploaded > it. once uploaded, swf file not pulling in external images. > duplicated...

NAS performance? - Raspberry Pi Forums

hi all, tinkering type of guy... so, rpi seems nice project-- though not sure want one. maybe mame emulator, little xbmc box or tiny nas... it's last option have technical questions. right now, have open router netgear (wnr3500l) http://www.netgear.com/home/products/wi ... 3500l.aspx has usb port (2.0) have 2tb setup ersatz-nas serves media streaming boxes through smb shares... rpi nas setup outperform this? thinking i'd take cpu load off router , have better performing system overall... here specs of router: broadcom 480 mhz mips® 74k cpu, 128 mb nand flash , 128 mb ram insight appreciated! hello, connected hard disk (80gb it's old hard disk) raspberry make small nas , result excellent! performance, open 2 files (movies) 1gb each, on smart-tv , on pc without suffering slowdown. installed "transmission" make little torrent downloader, have not yet had chance test feature. raspberrypi

No tables in database

hi, i want connect ms access database. i use dreamweaver 8. it seems have succesfully set de testing server, although have doubts. my site's url in dreamweaver (local info) url used visit site browser ( http://www.portugalimo.com, if decide take look, it's old site) my testing server prefix http://localhost/ anytime add more information, http://localhost/wwwroot, setup @ bindings fails. so 4 points have three: - site (directory) - document type (asp javascript) - testing server (/see above) but if want connect query lost. i have database selcted dns, when select error msg: unable retrieve tables connection, click define to.... i have tried everything, without succes. my database contains several tables , queries, why can't them? hope can me out this. thanks, eric hi again, already found problem, had choose "microsoft acces driver" instead of "driver microsoft access", bit confusing. now try retrieve data database, wish me luck! regards, eric M...

amp | watt hour meter

i've built voltage , current monitor using acs715 pololu. i'm calculating hours using millis, , total amp hours consumed. millis unsigned long, i'd see hours in operation in format 1.25 hours, not jumps 0 - 1 - 2 etc. photo's, schematics etc. posted @ http://tech.groups.yahoo.com/group/arduinohome/ . code: [select] /* sketch describes how connect acs715 current sense carrier (http://www.pololu.com/catalog/product/1186) arduino, and read current flowing through sensor. vcc on carrier board arduino +5v gnd on carrier board arduino gnd out on carrier board arduino a0 insert power lugs loads positive lead circuit, arrow on carrier board points load, other lug connects power supply positive */ int batmonpin = a4;    // input pin voltage divider int batval = 0;       // variable a/d value float pinvoltage = 0; // variable hold calculated voltage float batteryvoltage = 0; float ratio = 3.2;  // change match measured ration of circuit ...

Change FileName to correct location

hello, i have 19 quicktime movies on projector, work fine when on pc when on cd "where is" box looking in "c:\documents , settings\ryan\director\mov\movie.mov". ive noticed in director "filename" in movie properties points directory, when try change "\mov\movie.mov" automatically changes was. ideas on how can fix this? thank in advance. ryan on wed, 03 jan 2007 18:58:36 gmt, razta101 posted in macromedia.director.basics: > hello, > ive noticed in director > "filename" in movie properties points directory, when > try change "\mov\movie.mov" automatically changes > was. ideas on how can fix this? that's way works. did try suggestion posted previous thread? here, i'll expand on you. do not replace 'the moviepath' in below example. use way it's written. note movie script cannot placed anywhere in score. -- movie script on startmovie searchpaths = [the moviepath, moviepath &"m...

inline advertisement - Joomla! Forum - community, help and support

how can put inline advertisement realizing here http://www.joomla.org/content/blogcategory/20/37/&nbsp; ? thanks andrea not hard do try adding code: select all <?php mosloadmodules ( 'user3' ); ?> just above or before code: select all <?php mosmainbody(); ?> in template index.php after can use googlead module , put in user3 module position. can use google ad module http://extensions.joomla.org/component/ ... itemid,35/ http://extensions.joomla.org/component/ ... itemid,35/ Board index Joomla! Older Version Support Joomla! 1.0 General Questions - 1.0.x

random Seed ohne analog read

Image
hy, ich habe ein arduino uno und möchte auf meinem 4x4x4 led cube mittels zufallszahlen eine animation laufen lassen... habe aber probleme mit random seed, zufällige "startpunkte" für die "pseudo" zufallszahlen: - srand(time(null)); kann man ja leider in der arduino ide nicht nutzen - alle i/o pins sind belegt durch den cube, daher kein analogread möglich (oder können andere pins "missbraucht" werden ?! ) - und randomseed(millis()); bringt auch immer wieder die gleiche animation welche (einfache) möglichkeiten gibt es noch, zufällige "seeds" zuerzeugen ? mfg hobo könntest du nicht einfach beim start des sketches ein paar werte über die analogen eingänge lesen und nur die jeweils niedrigstwertigen bits verwenden? die sollten eigentlich immer ziemlich rauschen, egal den eingängen hängt... die bits könntest du dann alle hintereinander schreiben und die daraus entstandene zahl randomseed weitergeben. das dürfte ja ei...

Alimentando perifericos - Raspberry Pi Forums

hola, tengo una unidad lectora/grabadora de dvd externa. se conecta mediante 2 claves usb para coger la alimentación correcta. pretendo conectar el dvd la raspberry mediante un concentrador usb alimentado. esto son dos enchufes en la pared, uno para la raspberry y otro para el concentrador. ¿quiero ahorrarme 1 enchufe?¿como lo hago? ¿quizá comprando un cargador dual, pero...? ¿de que amperaje?, los hay de 1 y 2 amp ¿quizá enchufando la raspberry al concentrador usb que viene alimentado? el que sepa de electrónica y me pueda dar la respuesta correcta esta pregunta se lo agradecería mucho. gracias de nuevo jvisier wrote: hola, tengo una unidad lectora/grabadora de dvd externa. se conecta mediante 2 claves usb para coger la alimentación correcta. pretendo conectar el dvd la raspberry mediante un concentrador usb alimentado. esto son dos enchufes en la pared, uno para la raspberry y otro para el concentrador. ¿quiero ahorrarme 1 enchufe?¿como lo hago? ¿quizá comprando un c...

Login to gange - Joomla! Forum - community, help and support

flere - men ikke alle - brugere på mit site fortæller @ det ofte er nødvendigt @ logge ind gange. det virker simpelthen ikke første gang. ved nogen hvad det skyldes? kan det ændres? friis wrote: flere - men ikke alle - brugere på mit site fortæller @ det ofte er nødvendigt @ logge ind gange. det virker simpelthen ikke første gang. ved nogen hvad det skyldes? kan det ændres? jeg har samme problem - kører med cb. jeg har lokaliseret fejlen, men ikke årsagen. "registered" bliver ikke registreret userdatabasen alle brugere. når du kigger backend ser det ganskevist rigtigt ud, men mysql databasen mangler "registered" ganske enkelt feltet "usertype" nogle brugere. når du har identificeret de brugere der har problemet, kan du få deres usertype rigtigt registreret ved @ ændre den til noget andet, og så tilbage til "registered" igen. som sagt har jeg ikke lokaliseret årsagen endnu, men jeg har en mistanke om @ det går galt når jeg godkender brugere fra...