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Showing posts from January, 2012

Arduino mega at2560 overclock 20mhz

i hope someonr me. i've ask intalian forum without success ( me doesn't work ) i need use at2560 @ 20mhz becouse need drive matrix display ( 2 project 1 sure 3216 bicolor 3 panel , 1 rgb matrix panel adafruit) so why need more "power"! they suggest me change ( add) in board.txt file atmega configuration @ 20mhz (done) now 20mhz oscillator board doesn't work becouse bootloader don't accept new oscillator. so need bootloader works @ 20mhz. think should burn via icsp. so posted ( see in italian section) hex file bootloader 20mhz oscillator. the problem appear when ili try burn it. ( see picture error) the original bootloader 21kb while midified 25kb could post working bootloader atmega2560 run @ 20mhz ? thank much daniele quote so why need more "power"! are sure code optimised , cannot use arduino @ native speed ? Arduino Forum > Using Arduino ...

3D Printed Smart Watch Bluetooth/UART Feedback and Guidance

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hey arduino forum over past month or have been designing atmel/arduino powered smart watch, reason posting here request feedback , guidance on programming interface , watch in general, watch bluetooth enabled, have oled screen , 5 way joystick. concern whether should allow programmed on bluetooth or have ftdi or other usb uart chip on board (the watch have bluetooth regardless). have achieved arudino programming on bluetooth in other projects, requires bluetooth virtual com port drivers , small reset circuit. ask opinion on whether should make watch programmable on bluetooth or using uart, having trouble deciding. a few solutions thought of: - bluetooth , reset circuit only - pads available on circuit board user add reset components if want program on bluetooth - adding usb uart chip wired programming - using avr 2 serial lines both can used without need of header switch modes here youtube video made lots more detail if interested in watch, check description overview , specs:...

Print Optimization

my printer looking ai or eps file logo working on. have created vector image in fw , can not see how him format needs. in fact, can not see how save either of options. have way in fw handle this? have tried opening png created in fw in photoshop in past , loses vectoring. tia fireworks not designed print. won't want. need to use illustrator or photoshop. fireworks web or screen graphics. hth, tony "otbdesign" <webforumsuser@macromedia.com> wrote in message news:eh8d2t$hl6$1@forums.macromedia.com... > printer looking ai or eps file logo working on. > > have created vector image in fw , can not see how him > format > needs. in fact, can not see how save either of options. > > have way in fw handle this? have tried opening png created in > fw in > photoshop in past , loses vectoring. > > tia > More discussions in Fireworks adobe

[Conseil]Dialogue bluetooth entre 2 arduino

bonjour, je viens vers vous afin de m'aider dans une recherche. j'ai fouillé partout sur le net la recherche d'une solution pour dialoguer entre 2 arduino via bluetooth. l'objectif dans un de mes futurs projets et d'envoyer des instructions depuis l'arduino 1 vers l'arduino 2. il existe des trucs que j'ai testé et qui ne marche priori pas, car je dois oublier quelque chose j'ai testé d'un pc vers arduino, j'arrive allumer une led mais entre arduino rien,nada je possède 2 uno et au choix  bt hc-06 et hc-05 dans ma démarche je me sers du hc-05 en master et hc-06 en slave (et j'ai mixé dans tous les sens) m05+s06/m05+s05/m06+s06/m06+s05). je me suis inspiré de ce site: http://phillipecantin.blogspot.fr/2012/01/arduino-bluetooth-link.html avec les codes: code: [select] //master code void setup() {  serial.begin(115200);  serial.print("$$$");  delay(100);  serial.println("sm,1...

Different bitrate for serial TX and RX?

regarding communications arduino on serial port: is possible atmega328 , "standard arduino libraries" (or small modifications) receive data @ different (lower) speed compared transmit speed. application in mind: after setup routine, main loop log data received on slow serial communication , forward on higher speed serial-to-bluetooth module. no. Arduino Forum > Using Arduino > Microcontrollers > Different bitrate for serial TX and RX? arduino

Regolare luminosità lcd 1602

buongiorno tutti, mi chiedevo come fare per regolare la luminosità dello schermo lcd 1602. attenzione parlo della luminosità e non del contrasto. ho cercato online ma non trovo nulla al riguardo, eppure ci sarà un modo no?! grazie si puo' fare sia via trimmer che via pwm, tu come vuoi farlo ? ti allego uno schemino semplice semplice il calcolo dei componenti va fatto in base al modello di display, volendo andare sul sicuro puoi mettere 330 ohm come resistenza ed 1k per il trimmer. se vuoi salire di luminosita' fino al massimo possibile servono appunto dati del led Arduino Forum > International > Italiano > Hardware (Moderator: leo72) > Regolare luminosità lcd 1602 arduino

Raspberry 2 USB power problem - Raspberry Pi Forums

hi, sorry bad english, hope understand! think have problem raspberry pi 2. raspberry 1 (model b) when rasp shutdown tv , usb devices power off. same boot: usb devices , tv power on raspberry. raspberry 2 doesn't make same thing! when shutdown devices remaining powered , on boot no devices power on! more accurate, on boot there second usb devices power off , cause os can't recognize device @ startup. can me? it's "feature", it's normal or it's problem of raspberry 2? os, in both rasp1 , rasp2, osmc, think it's same other distributions. me! making other tests, confirm when plug current cable rasp 2 there second of power exit usb port, flash (look yellow usb in video: https://goo.gl/photos/azk5vtj4k26juchs9 ). cause hdd (also other device) start , stop in second, , not recognizable in boot time. it's correct? why old raspberry doesn't make same thing? it's possible disable thing? hope can me! thanks. raspberrypi

olika moduler - Joomla! Forum - community, help and support

hej Är ute efter flera moduler, ställer alla frÃ¥gor samma inlägg. * en modul/component är en kalender där bÃ¥de bloginlägg och utsatta "möten" ska visas med markerad siffra. bara admin ska kunna lägga diot saker. * modul/component för presentation ? typ cv *  bästa dokumenthanteraren? * hur begränsar man contents att bara visa typ sju rader och resten visas vid "läs mera". och hela tiden visas fullbredd. mvh micke Board index Joomla! International Language Support International Zone Swedish Forum Äldre versioner Forum Joomla! 1.0 Komponenter, moduler och Mambots

Menu structure - Joomla! Forum - community, help and support

hi, i new joomla , having problems creating menus. want menu "company" in topmenu has following structure: philosophy history milestones what type choose company , type submenus. confused. welcome joomla! , joomla! community. hope experience of both mine has been. as creating menus, have created content add menu? you may want read through minidoc: anna's joomla tips http://forum.joomla.org/index.php/topic,5503.0.html idea of how joomla! works. these tips written in easy understand english (non-technical) , excellent place start fresh joomla!. these may useful resources you, don't know skill level start @ beginner , work more experienced absolute beginners guide joomla! : http://forum.joomla.org/index.php/topic,47524.0.html faq: i'm joomla end-user newbie, best place start? http://forum.joomla.org/index.php/topic,8542.0.html visual tutorials http://www.joomlatutorials.com/joomla_tutorials/ (excellent resource, have visual tutorials relating joomla!) joomla! ...

How to get an output voltage of 9V from arduino uno?name some ic's for it.

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i want know ic's can me a  9v output .this ic's connected 5v point on arduino uno. this needed me run few things.  google: 5v 9v step-up power keep eye on total power requirement... Arduino Forum > Using Arduino > General Electronics > How to get an output voltage of 9V from arduino uno?name some ic's for it. arduino

I2C - job control turned off - Raspberry Pi Forums

hello, i'm using rpi 2 b, v1.1 , want connect pi i2c slave(pic16f88). rpi doesn't boot, if connect pic sda/scl, if pic isn't connected power. occurs message : sh: can't access tty; job control turned off have tried same rpi b+, v1.2 , didn't message. in both cases can't find pic through sudo i2cdetect -y 1 have read many issues job control turned off, haven't found 1 i2c problem. added in config.txt avoid_safe_mode=1 (some user suggested that) can me? could post photo of connections made pi? raspberrypi

Extended menu suckerfish-horizontal bug in IE7 - Joomla! Forum - community, help and support

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suckerfish-horizontal  sublevel displayed in ff, ie6 , opera not in ie7. problem sublevel position shifted right, seems belong next mainlevel item submenu  . experiencing same problem this? any help great thanks had same issue, found solution here: http://forum.joomla.org/index.php/topic,124039.0.html here's code fixed .  op. code: ul#mainlevel li ul{   top: 20px; left: 1px; } seems fix it, , not break ff. Board index Joomla! Older Version Support Joomla! 1.0 Extensions - 1.0.x Modules

locked by a template

i trying put photo album on page , says cannot because of code locked template. can template make album work. must have done inadvertently template, because able use album on other pages. < http://www.centerstreetartisans.com/krauss/index2.shtml > here page album still works. < http://www.centerstreetartisans.com/huttonh/index.shtml > thanks, nancy in template did make area want change editable region More discussions in Dreamweaver support forum adobe

Flash v 10 not compatible

i using i.e. 7 , comcast calling flash play ver 9 other sites call different versions. not sign if automatic upgrade kills capability. in comcast's case says when go video content on comcast.net page need flash play 9 , provides link adobe, had version 10. install , still cant run content. think there bug in ver 10, should allow older version run don't think? or link specific version requested site (less optimal). whats answer, archived version 9 , unistall 10 , install 9 or there going fix in flash soon? tnx i have had similar problems , have found solution hope. problem in windows. went control panel uninstall programs , uninstalled "move movie network'. after doing shut down computer , on again. installed flash player 10 , have working thru veoh use tv , movies. suggestion. worked me , maybe too. More discussions in Using Flash Player adobe

Thread: Business Card Templates

does out there know if tools/templates in open office creating business cards? if not know if applications (other open office ) can use, in ubuntu me endeavour? howard roark, try this: http://extensions.services.openoffic...emplatepack_ii Forum The Ubuntu Forum Community Ubuntu Official Flavours Support New to Ubuntu [ubuntu] Business Card Templates Ubuntu

10 Ways You Know Your Internet Connection Is A Little Slow - Joomla! Forum - community, help and support

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10 ways know internet connection little slow 1. text on web pages displays morse code 2. graphics arrive via fedex 3. believe heavier string might improve connection 4. post message favorite newsgroup , displays week later 5. credit card expires while ordering online 6. espn web site exhibits "heisman trophy winner" ...for 1989 7. you're still in middle of downloading popular new game, "pacman" 8. talk on 'net phone' sounds forrest gump 9. receive e-mails stamps on them 10. when click "send" button, little door opens on side of monitor , pigeon flies out.  roflmao funniest thing have read in ages. Board index Joomla! Official Sites & Infrastructure Sites & Infrastructure - Feedback/Information Archived Boards - All boards closed Humor, Fun and Games

controling 2 relays independantly

hi i have managed after frustration double relay module work...hooray, cant find (and believe me ive looked days) regarding code create timed stop between relay1 & relay 2 -to allow motor come stop before rotating in opposite direction. this code im using, works need insert (millis) break/stop void setup(){ pinmode(11,output); pinmode(12,output); } void loop(){ digitalwrite(11,low);                            // somehow need insert code make 5 second break between digitalwrite(12,high);                             relay 1 , relay 2 delay(500); digitalwrite(11,high); digitalwrite(12,low); delay(500); } this im trying achieve relay 1 on 5 secs then  break/stop relay 2 start 5 secs after stop then break/stop the 2 relays must never on @ same time. i trying turn motor 1 way, let stop,  then turn other way as have said have manag...

duplicateMovieClip

hi . m trying load jpg image(1.jpg) frm same folder ve fla file throught moviecliploader class. problem once image has been loaded swf cant duplicate it. m trying duplicate onloadinit event listener. please me . code follows.this code in first frame of root timeline , m working in flash 8. _root.attachmovie("gr", "mc", 0); mc._x = 275; mc._y = 200; var imgloader:moviecliploader = new moviecliploader(); var imglis:object = new object(); imglis.onloadinit = function(mc:movieclip) { mc.duplicatemovieclip("zz", 10, { _x : 100 } ); }; imgloader.addlistener(imglis); imgloader.loadclip("1.jpg", mc); read entry duplicatemovieclip() carefully. says can't duplicate dynamically loaded content. you either need load multiple times – should cached , not take long. or if using flash 8 might able change bitmap , duplicate that. More discussions in ActionScript 1 and 2 adobe

Sound Impact Sensor, lost :(

i working in group on project using parallax sound impact sensor , aren't best programmers in world. on parallax website there "basic stamp(r)  2 program, not sure means exactly, anyways trying work arduino , don't know how can work. here code parallax website. , appreciated.   code: [select] ' {$stamp bs2} ' {$pbasic 2.5} do if in0 = 1 ' when noise detected, display debug home, "sound detected!", clreol ' message pause 1000 else ' if no sound detected, debug home,"all well", clreol ' display well. endif pause 10 ' short delay loop ' repeat a basic stamp different type of microcontroller, using different interfaces , totally different programming language. (a version of basic.) it looks me "sound impact sensor" pulls digital input pin high when detects impact. that's vibration sensor i've created does. should able wire input digital input in on a...

IMU and Arduino: with or without an on-board digital processor?

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hi all, first of let me it's week i'm studying imu , how use it, i'm totally new type of sensors. i've read intersting post (http://www.starlino.com/imu_guide.html) how , handle gyroscope/accelerometer info directly kind of sensors , see microcontroller (an arduino in our case) expected calculate roll , pitch (and yaw). i have few questions: 1) there lots of breakout boards on market, of them provide sensors (like 1 form adafruit http://www.adafruit.com/products/1714 or 1 sparkfun https://www.sparkfun.com/products/10724), other include digital processor (like 1 https://www.sparkfun.com/products/11028). don't see relevant difference in price (between $40 , $50), guess real differences in sensors, correct? it's not easy me understand have in datasheets: info sensitivity seems same boards... 2) looking @ example code provided manufacturers, seems me board dsp (or dmp sparkfun call it) able provide roll/pitch/yaw info no need additional code, correct?...

vocEd program needs help with install - Joomla! Forum - community, help and support

here problem: we trying install joomla 1.0.11 on web server has cgiwrap program running in background. the problem cgiwrap somehow keeping index.php program in joomla installation executing.  each time try access page, error saying page not exist. the admin has solution works servers , create directory contains directory structure of joomla installation.  catch of folders in new directory must empty , no other files in directory -- empty folders exact duplication of file directory structure of joomla installation.  idea cgiwrap program somehow "helped" existance of second "shadow" directory find proper files , execute it. i've tried using method , double , triple checked file directories congruency , not work me.  there way around cgiwrap issue?  btw, installation of joomla on other servers don't have cgiwrap running have no issues whatsoever.  in instance cgiwrap running on unix server problem occur. any ideas on how correct problem??? ...

Problem reading data from SD card and use it to connect on WiFi

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hey guys i've been struggling problem , hope can me out. i created text file on sd card containing 2 strings ssid , pass connect on wifi network using arduino wifi shield, , i've been trying read them file , use them connect but, everytime try error led on. i've tried declaring strings in code directly , works, reading them file can't connection, thou debugged while , strings file printing intended on serial output. any appreciated. obs: structed code read file being first line of file ssid , second line pass. using 1.02 ide edit: sorry guys found out problem, not checking carriage return ('\r'). i managed working, dont need reply! anyway code: code: [select] #include <spi.h> #include <wifi.h> #include <sd.h> file myfile; const char conf[]  = "conf.txt"; int status = wl_idle_status; const int i1 = 1; const int i0 = 0; int = i0; const int tendelay = 10000; void setup(){  serial.begin(9600);  initial...

Car reverse camera - Raspberry Pi Forums

i want put raspberry pi screen in car. had idea put camera module @ of car , use reverse cam. when put in reverse gear, reverse light comes on, want trigger gpio pin (eg relay) question: there program can start simple bash script, allows me see live video feed camera module? , max length of camera cable? the best way extend rpi camera module use https://www.tindie.com/products/freto/p ... extension/ allows camera module 15 ft away rpi. have 2 of these , makes easier position camera module in high window or other remote location , have rpi away elements or in more convenient place. problem have had when using max length hdmi cable usb devices plugged in draw power. other that, solution works great , should work ok backup camera long can route hdmi cable , weather proof camera end of cable against elements. raspberrypi

Two Images w/no dead space

i have 2 images connect each other no space in between! the top/right located here the bottom/left located here in dreamweaver, when insert pictures, there's huge gap in between them. want both connected together. please show page have them together, gap. looking at 2 separate pages tells me nothing. walt "guy21420" <webforumsuser@macromedia.com> wrote in message news:e8719s$c46$1@forums.macromedia.com... > have 2 images connect each other no space in between! > > top/right located > http://img.photobucket.com/albums/v30/chronei/test_top.jpg > bottom/left located > http://img.photobucket.com/albums/v30/chronei/test_left.jpg > > in dreamweaver, when insert pictures, there's huge gap in between them. > want both connected together. > More discussions in Dreamweaver support forum adobe

Default DS18S20 example returns perplexing results

greetings, i beginning play dallas semiconductor ds18s20 , onewire library , out of gate seeing strange results. i using default temperature sensor example. i'm connecting single ds18s10 pin 10 of leonardo 4.7k pullup resistor, not using parasitic power. sketch compiles, uploads, , runs fine either arduino 1.0.5 or 1.5.7 on mac os x mavericks. seems see ds18s20 , extract serial number, seems pass crc check. temperatures negative territory. respond temperature changes, it's clear data being read, not interpreted correctly. at first blush i'd guess there byte order problem or byte misalignment or of type, without proper debugger i'm stabbing in dark. there peculiar arduino on mac perhaps missed when library made? best googling skills not helping. here's output few runs sensor between fingers raise temperature. code: [select] rom = 10 3d ae 62 0 8 0 2c  chip = ds18s20  data = 1 ff 0 0 ff ff c 10 38  crc=38  temperature = -33.00 cel...

Badgeuse RFID d'entrée et de sortie et système de facturation

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bonjour à tous, dans le cadre d'un stage dans une start up, j'ai comme projet de confectionner une badgeuse afin d'effectuer un suivis simplifié et plus précis sur l'ensemble des activiés des membres. le est donc de creer une badgeuse d'entrée et de sortie et d'y gérer la gestion en sorte que les membres de l'atelier peuvent y rentrer 7jr/7 24h/24. la gestion par badge ainsi que l'utilisation des machines doivent permettre la reservation de créneau horaires , l'acces à l'atelier, la mise en fonctionnement des machines ainsi que la faturation des prestations des comptes des utilisateurs. pour le moment j'ai commandé un lecteur rfid 13.56mhz et je l'ai programmé, ainsi j'arrive à lire mes badges et à la fois à affiché sur un écran lcd si la carte est autorisé ou non mais aussi à allumer des led rouges et vertes suivant le fontionnement ou non du badge. a present, il me faut faire en sorte que quand je détecte un b...

Trouble installing printer in cups - Raspberry Pi Forums

i trying install epson r2880 in cups.if click "install printer" administration page. lists printer in printer list. select it, hit continue, , brings screen name printer , share it. click continue , box listing epson models comes up. first 3 entries epson stylus photo r2880 -cups + gaprint v6.2.9(en) epson stylus photo r2880 inkjet printer driver(esc p-r)for linux epson stylus photo r2880 inkjet printer driver(esc p-r)for linux click on second entry, hit enter( there no continue button). ask make of printer. goes driver select screen hundreds of entries. scroll down entries listed above , select. goes make screen , loops make screen, model screen , keeps looping between 2 screens, never exiting looping. jim alfiesty wrote: i trying install epson r2880 in cups.if click "install printer" administration page. lists printer in printer list. select it, hit continue, , brings screen name printer , share it. click continue , box listing epson models comes up. fir...

Inviare con il Serial.XXXX un float come numero BINARIO

salve tutto il f, stavo cercando di plottare un float utilizzando il comando serial.print e poi serial.write....senza raggiungere lo scopo. avrei bisogno di poter plottare monitor un float completo cioè tutti 32 bit da cui è composto. avete idea di come fare?! ah...buon inizio settimana tutti alex. hai già provato con code: [select] serial.print(val, bin); dove val è il valore in virgola mobile? Arduino Forum > International > Italiano > Software (Moderator: leo72) > Inviare con il Serial.XXXX un float come numero BINARIO arduino

CRC Problems with NRF24L01P

hi, i' ve got  strange  problem with  two  nrf24l01p  comunications. sometimes  i've got   corrupted data. try set crc 8bits or 16 bits  doesn't change thing. for test, send same message : 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 1 1 80be01 11.100000381469727 22.200000762939453 33.29999923706055 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 1 1 ab01 1234 11.100000381469727 22.200000762939453 33.29999923706055 but received bold message. can me find solution. don't understand why received when crc activated. thanks help. Arduino Forum ...

some question of lily pad

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hello. i'm republic of korean. i want use lilypad vibe board. link. http://www.youtube.com/watch?v=yj639_ez6tm lilypad vibe board operates led  form? --> https://www.sparkfun.com/products/11008 what question? try explain question bit better. // per. Arduino Forum > Using Arduino > Motors, Mechanics, and Power (Moderator: fabioc84) > some question of lily pad arduino

Forum Font

can please set font(s) used in preferences? this new 1 sucks oil browser , setup. not zoom well, last one. i'm sure looks better on someone's screen me it's yet forum malady. holy crap, you're absolutely right. this font bad. i don't know happened, when changed. i online laptop earlier today , didn't see problem font. but now, desktop (zoomed in, 3 taps on ctrl +), it's bad has been ok months. i'm using firefox, if helps in determining might wrong. Arduino Forum > Community > Website and Forum > Forum Font arduino

Vitesse d'envois de tram sur l'ethernet - Raspberry Pi Forums

bonjour à tous ! voila, j'ai un problème sur lequel je planche depuis quelques temps maintenant et que je n'arrive pas à résoudre. j'ai développé un petit programme (sous qt), qui se sert de la librairie pcap (pour envoyer des paquets agencé entièrement par mes soins), et qui envoie via l'ethernet ces trams. voila mon problème, ces trams sont en faite des images, que je dois donc envoyé à une certaine cadence, qui est sous linux et sur le raspberry pas du tout respecté.. je n'envoie ces image (qui ne font que 42ko) à plus de 2-3 secondes d'intervalle… j'ai donc essayé le même programme sous windows, qui cette fois-ci, les envoies sans soucis par intervalle de 32ms. etant obligé de me servir d'un raspberry pour mon application (et ne voulant pas utiliser quelque chose d'autre :p), je me tourne vers vous pour m'aider !!! merci d'avance ! bonjour, je ne connais pas qt, mais as-tu essayé de poster ici ? a+ raspberrypi

zoom media gallery not displaying images - Joomla! Forum - community, help and support

i have installed zoom gallery , none of photos showing when go online.  have uninstalled , installed , cleared database still won't show photos.  have feeling has 1 of folders images uploaded into.  have chmod settings i'm not sure.  little more experience tell me whether or not settings of each folder have same , for.  friend of mine installed same programme worked him okay there nothing wrong actual programme. i have though if physical error - chmod or like, start zoom not have created directory or uploaded images; , getting different error. i @ individual gallery permissions inside zoom first place start - make sure galleries set viewable public. failing that, if concerned permissions can recomend installing joomlaxplorer - file manager plug-in joomla , easiest way i've found of adjusting these. gareth Board index Joomla! Older Version Support Joomla! 1.0 General Questions - 1.0.x ...

Thread: Continual Installation Problems with wubi

until few days ago, had xubuntu 8.10 installed on second laptop - old toshiba satellite pro 4600 - via wubi. hadn't used few months, when fired there number of updates needed. think 250, after did first 30 or so, got error messages , update aborted. so, there being option upgrade 9.04, took that. didn't install either, , when rebooted, hung @ point of doing swapfile(s). going horribly wrong, popped windows 2000 , uninstalled xubuntu control panel. then, downloaded fresh .iso of xubuntu 9.04 , put onto usb stick, defragged c drive, rebooted windows , ran wubi had extracted new .iso. @ start, went ok, install hung @ point said creating virtual partitions. so, cancelled install, , rebooted. surprised find xubuntu option on splash screen (as 1 windows 2000), thinking go nowhere, selected , pleasantly surprised see xubuntu seemingly loading normal. went various installation screens, gave me following error message: ...

Thread: fan stops cooling

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hi all! fan stops cooling when reaches 50 degrees celcius! after revs @ low level. no problem in winxp. had ever since started playing linux on half year ago.. can understand can never explore possibillities ubuntu has offer while problem occurs Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [ubuntu] fan stops cooling Ubuntu

Hostname SSH error - Raspberry Pi Forums

hi guys, quick question really. have rpi set web server , connecting externally (outside lan) , internally via ssh. problem is, when change hostname on pi, internal ssh connection via mac totally fine no problems. when try connect via iphone ip address, doesn't work. try connect through dynamic dns address (no-ip) , yields same problem. change hostname standard (raspberrypi) it's totally fine. i'm presuming there file somewhere need change setting match up? have ideas? many thanks, brad brad, did have setup router ports 80 , 443 (http , https) handled rpi? routers work on lan-hostnames... hth, gerard raspberrypi

Optokoppler + DIP-Schalter

hallo zusammen, ich habe erst mein erstes arduino-projekt gestartet und laufe da in die erste frage. ich möchte mit dem arduino eine fernbedienung steuern. programmlogik scheint soweit zu passen. meine frage bezieht sich eher auf die schaltung zwischen arduino und der fernbedienung. auf der fernbedienung ist ein dip schalter. diesen dip-schalter möchte ich mit optokopplern überbrücken, um die einzelnen dip-schalterstellungen automatisiert umzustellen. dafür bin ich vom arduino digitalausgang und einem vorwiderstand die anode des optokopplers und von dessen kathode nach ground. collector und emitter habe ich jeweils ein beinchen des dip-schalters gelötet. nun funktioniert es nicht ganz wie ich möchte und ich vermute ich muss collector und emitter vertauschen bzw die kabel den zwei beinchen des dip-schalters vertauschen. kann das sein? herzlichen dank im voraus, mike der optokoppler haben meistens einen npn transitor als ausgang. der emittor muß auf den...

Symbol Layer Bug?

hi, not sure if bug or not. thought might have quick fix problem: i doing lip syncing, using graphics symbol pick syllable person saying changing frame of graphics symbol shown. of sudden, 200 frames down line (i did mouth on 1 layer), graphics symbol wouldn't change different frame within itself. i'd experienced before, ignoring in past, it's getting annoying. happened randomly guy's arm when changed bend of elbow trying replace symbol. it's starting hinder production speed. is glitch? how fix (without ditching layer , starting new one)? in advance. More discussions in Adobe Animate CC - General adobe

Success in 2, not so easy nights - Joomla! Forum - community, help and support

what trial, have perservered.  i've been doing manual install, , after night , half, backed ver 1.0.10 , able successful install.  had cheat. my host allows database creation v-deck panel.  following lines editied out of install2.php $sql = "create database `$dbname`"; $database->setquery( $sql ); $database->query(); $test = $database->geterrornum(); if ($test != 0 && $test != 1007) { db_err( 'stepback', 'a database error occurred: ' . $database->geterrormsg() ); } at point after that, more editing on install files successful, sort of.  first, sorry, don't have notes on remaining edits, there commenting out error messages , allowing page continue.  actually, install went far page 2.  kept getting permission denied page.  set file , directory permissions 777 while.  wheeeee.  never got past page 2. after had manually set administrator.  easy.. almost.  creating users table data easy.  exported installation , imported ins...

Thread: Straight Insertion Sort and Double-Linked List?

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hello! have sort double-linked list via straight insertion sort. problem seem somehow wrong. got segmentation fault after third time cycle starts, using numbers: 3 5 4 2 7 6 8 9 1 help. i'm more looking hint of i'm doing wrong ready-to-use code. source attached below... attached files kpp.cpp.zip (1.4 kb, 10 views) use debugger gdb step though code. ran through list 2<->1, output: program received signal sigsegv, segmentation fault. 0x080494a6 in straightinsertionsort () @ kpp.cpp:203 warning: source file more recent executable. 203 if(p->next->prev||p->prev) p->next->prev=p->prev; (gdb) p p->next $4 = (linked_list *) 0x0 p->next null pointer p->next->prev undefined on first sight algorithm seems strange too, inserti...

Help- OpenCV, face recognition - cannot open display - Raspberry Pi Forums

hello everybody, use ssh pc pi , use webcam camera c270. want recognize face, have stuff : (video:3718): gtk-warning **cannot open display : : 1.0 here code : import sys import cv2.cv cv optparse import optionparser min_size = (20, 20) image_scale = 2 haar_scale = 1.2 min_neighbors = 2 haar_flags = 0 def detect_and_draw(img, cascade): # allocate temporary images gray = cv.createimage((img.width,img.height), 8, 1) small_img = cv.createimage((cv.round(img.width / image_scale),cv.round (img.height / image_scale)), 8, 1) # convert color input image grayscale cv.cvtcolor(img, gray, cv.cv_bgr2gray) # scale input image faster processing cv.resize(gray, small_img, cv.cv_inter_linear), cv.equalizehist(small_img, small_img) if(cascade): t = cv.gettickcount() faces = cv.haardetectobjects(small_img, cascade, cv.creatememstorage(0),haar_scale, min_neighbors, haar_flags, min_size) t = cv.gettickcount() - t ...

Electrical Spec's - Raspberry Pi Forums

hi all, i've seen different reports can please advise on current levels interface pins can sink & source including 3.3v & 5 v pins can figures both pi b+ & pi b2 sorry i'm sure has been asked before figures find involve discussion people quoting different figures, figured place official & correct info mark i don't think there official figures, partly (for 5v lines in particular) depends on else have connected. if need more 50ma 3.3v , 100ma on 5v should think using external supply on safe side. raspberrypi

sell seats on line

i know complicated thing set .but there anyway or ready made prog allow theatre sell tickets on line thier web site .... or if not need this. thanks mike you need use coldfusion or asp or php set service of nature. if google search, sure you'll find lot of sites offer templates such service fee. still need modify code suit requirements. dreamweaver alone cannot you. want make database driven site store information provided customer in database thats accessible theatre staff. need secure payment service accept credit card information , process you. google , you'll lot of answers. More discussions in Dreamweaver support forum adobe

[Bindable] ArrayCollection

here code, problem set modules fires once, , not fire when collection changes, additem() used on collection. class containing array collection [bindable] public class app { public function modules():arraycollection { return this._modules; } private var _ modules: arraycollection = new arraycollection (); public static function instance():app { if(!app._instance) app._instance = new app (); return app._instance; } private static var _instance: app; } here binding mxml modules=”{app.instance.modules}” here set modules above , there no get. public function set modules(modules : arraycollection):void { alert.show("modules="+modules.length); } modules called once , never called again when collection changes, verified creating click event manually updates modules, debugging here code test click event: public function onclick():void { this.modules = webapplication.instance.webcmsmodules; } also works if use var instead of set problem need fire code when modules se...

how to balance quadcopter

i bought gy-521 imu balance quadcopter. now use value angle_x gyro control  motors symmetric each other pid algorithm. i roll  , cant blance, me pls , thanks. code: [select] void loop() {   esc1.write(u1);       esc2.write(u2);       esc3.write(u3);       esc4.write(u4);       delay(200); if (serial.available() > 0) {   cmd = serial.read(); } if (cmd == 'a')   { // value enough make quadcopter lift off ground     u1=46;     u2=110;     u3=115;     u4=113;           } if (cmd == 'b') { //// stop motors   u1=0;   u2=0;   u3=0;   u4=0; } ///////////////////////////////////  pid, balance quadcopter unsigned long = millis();   double timechange = (double)(now - lasttime);   if(timechange>=sampletime)   { errx= abs(0-angle_x); err_del= errx - last_err; if (angle_x <...

Driving C/Cathode RGB LEDs with MAX7221?

is there way drive common cathode (4-pin) rgb leds max7221 chips? (http://datasheets.maximintegrated.com/en/ds/max7219-max7221.pdf) thanks not really. @ none make sense. make table cross reference digit pins segment pins there no pattern it. chip designed common-cathode 7-segment displays segments connect led cathode , digit pins connect led anode. if in jam , had leds running chip take me hour make table , hour write sketch electronically doable.it has enough sink current  you have calculate value current limit resistor connected iset. warning: if iset pin-18 connect directly +vcc without resistor , power turned on destroy led connected between digit pins , segment pins in about 1 ms ! read section rset explaining how calculate resistor value. schematic on datasheet provides example reference. your cross reference table should have digit pin numbers on left side of page , segment pin numbers across top. 2 intersect draw leds cathode toward digit pin...