Instructables: question - arduino http://www.instructables.com Fri, 24 May 2013 16:35:45 PDT BLOX v1.01 Adafruit Motor Shield? http://www.instructables.com/answers/Adafruit-Motor-Shield/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif vek11 Hi,I have this motor shield and I would like to know is its possible to use its max 2 servos and 2 dc motors at the same time and how much power do I need if I have two standard ra 130 motors and 4.8-6v servos?
By: vek11

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Thu, 23 May 2013 14:43:39 PDT
Pump control - Uni or Bi polar stepper motor? http://www.instructables.com/answers/Pump-control-Uni-or-Bi-polar-stepper-motor/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Hammock Boy I am working on a robot that includes several annular gear pumps. We are using the MZR 2521, manual: (please see section 5.5) http://www.micropump.com/support_documents/manual_mzr-xx21.pdf product page: http://www.micropump.com/product_detail.aspx?ProductID=62 In the description they say that you...
By: Hammock Boy

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Mon, 20 May 2013 16:27:03 PDT
Newbie Alert!Is it possible to make a 8x8 led matrix with 74hc595 shift registers w/ arduino? http://www.instructables.com/answers/Newbie-AlertIs-it-possible-to-make-a-8x8-led-matr/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif scooter2013 If so can someone help me with the schematic? And also I'm using an arduino uno r3 if that helps? I kind of would need help with the programming as well. I have transistors (2N3904) and resistors (100 Ohm/200 Ohm) too.  Thanks for the help!
By: scooter2013

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Mon, 20 May 2013 14:36:57 PDT
tv out arduino code stops? http://www.instructables.com/answers/tv-out-arduino-code-stops/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 I recently wrote some code for an arduinio to read an encoder and display it via RCA.  Problem is, it sometimes freezes on a blank screen when I'm turning the encoder.  Any ideas why? the code is below.  And yes, I know that the interrupts mess with the signal and it flickers, I want to know why it ...
By: jduffy54

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Thu, 16 May 2013 18:17:14 PDT
increase analog read resolution arduino? http://www.instructables.com/answers/increase-analog-read-resolution-arduino/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 Is there a simple, hardware based way to use two analogRead pins on an arduino together for higher resolution?  I have a project that only needs two analog values, but the more accurate the value the better.  I do NOT want an external ADC, I am aware they exist, but I don't have time to get it shipp...
By: jduffy54

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Tue, 14 May 2013 15:42:12 PDT
Why do we connect Grounds when connecting (while hacking) one circuit to another? http://www.instructables.com/answers/Why-do-we-connect-Grounds-when-connecting-while-h/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Mikuchan I am learning how to Hack Wheelchair joysticks and other simple controllers.. problem is I don't understand "Why do we connect Grounds of the controller and Arduino in these cases ?" Like here (example A): http://mowstation.blogspot.com/2011/09/how-to-wire-up-joystick.html and here (example B): ht...
By: Mikuchan

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Mon, 13 May 2013 11:03:16 PDT
I have a seeed studio music shield how do I get it to work? http://www.instructables.com/answers/I-have-a-seeed-studio-music-shield-how-do-I-get-it/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif nerd7473 I need to know so i can play music with my arduino
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Sat, 11 May 2013 10:37:41 PDT
If I update my arduino software will it make me have to install the drivers again? http://www.instructables.com/answers/If-I-update-my-arduino-software-will-it-make-me-ha/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif nerd7473 I was just wondering because I want to update the software.
By: nerd7473

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Sat, 11 May 2013 06:30:12 PDT
arduino code stalls in mid program? http://www.instructables.com/answers/arduino-code-stalls-in-mid-program/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 I'm using a rotary encoder, and to test it, I wrote a program with an interrupt on pin two that counts (with a state machine for the direction and two parts per cycle), but whenever I spin the encoder too fast, the program simple stops sending values.  Its running on an uno with a FTDI friend (becau...
By: jduffy54

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Fri, 10 May 2013 15:23:53 PDT
Can a arduino pin mode be changed mid program? http://www.instructables.com/answers/Can-a-arduino-pin-mode-be-changed-mid-program/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Hi, I'm working on a project that requires a reading to be taken from a pin (digital) and then that pin needs to be supplying power. Can I change the pinmode from input to output mid program, or do I need transistors to switch it between different pins instead?
By: David97

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Tue, 7 May 2013 01:28:44 PDT
Multiple Photocell Problem (Arduino)? http://www.instructables.com/answers/Multiple-Photocell-Problem-Arduino/ http://www.instructables.com/files/deriv/FC1/7H9I/HFSH51Q0/FC17H9IHFSH51Q0.SQUARE2.jpg http://www.instructables.com/files/deriv/FC1/7H9I/HFSH51Q0/FC17H9IHFSH51Q0.SQUARE.jpg http://www.instructables.com/files/deriv/FC1/7H9I/HFSH51Q0/FC17H9IHFSH51Q0.SMALL.jpg D5quar3 Hello, I have a problem with using more than 1 photocell. I am using the AnalogReadSerial example to test each one and they are giving me junk. I have tried just one wired to the board and it works fine, but when i wire 4 into a breadboard it gets messy.                                              ...
By: D5quar3

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Thu, 25 Apr 2013 23:57:32 PDT
Arduino Duemilanove USB Cable? http://www.instructables.com/answers/Arduino-Duemilanove-USB-Cable/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif electronicz What USB cable can be used to program this arduino?
By: electronicz

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Thu, 25 Apr 2013 12:37:36 PDT
Playstation 2 Joystick (totally removed) connecting to Arduino UNO board...etc.? http://www.instructables.com/answers/Playstation-2-Joystick-totally-removed-connectin/ http://www.instructables.com/files/deriv/FYE/IGB6/HFPTH96A/FYEIGB6HFPTH96A.SQUARE2.jpg http://www.instructables.com/files/deriv/FYE/IGB6/HFPTH96A/FYEIGB6HFPTH96A.SQUARE.jpg http://www.instructables.com/files/deriv/FYE/IGB6/HFPTH96A/FYEIGB6HFPTH96A.SMALL.jpg trandazzo2 Hello all... Been working on this for a while now.  I purchased a generic playstation 2 (ps2) gaming pad, hand or controller (your preference).  I completely removed BOTH the joysticks from the unit as the native state of how they were, would not work for the project.  I DO NOT want wireless, and th...
By: trandazzo2

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Wed, 24 Apr 2013 11:36:42 PDT
How to use Arduino UNO as ISP to burn bootloader AND upload program to ATMEGA328? http://www.instructables.com/answers/How-to-use-Arduino-UNO-as-ISP-to-burn-bootloader-A/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ddolbi1 Hi, I am new with Arduinos. Well actually, I know nothing about it. My friend bought me an Arduino UNO because he knows I like building stuff. I have a project that I want to carry out, but I just do not know how to program an AVR! I searched online for hours, but I can't seem to find the exact ste...
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Thu, 18 Apr 2013 13:41:28 PDT
arduino? http://www.instructables.com/answers/arduino-5114/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif tealk hello everyone. i am really intrested in electronics so i am looking forward to buy arduino . so my question is which one to buy? i really like UNO because its cheap and most of projects that i saw here are using uno.
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Thu, 18 Apr 2013 08:45:46 PDT
How to use Mouse.Move() http://www.instructables.com/answers/How-to-use-MouseMove/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jwelch2017 I am using the new Arduino Due to try and move a mouse on my Macbook pro. On the Arduino website it says that I should be able to just add numbers into Mouse.move(xVal, yVal, wheel). I have tried adding numbers in the xVal and yVal positions ranging from .5 to 1000000, but the mouse never moves. I a...
By: jwelch2017

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Mon, 15 Apr 2013 10:08:53 PDT
Do you have the Arduino code for keypad, PIN (password), change/customize the PIN via the keypad and LCD? http://www.instructables.com/answers/Do-you-have-the-Arduino-code-for-keypad-PIN-pass/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif F22-Raptor Hello All, I've been researching this for a while but I still can't find anything to meet my requirements: - the setup is based on Arduino UNO - enter a PIN of 4 digits via keypad - have multiple PINs such as master, user 1, user 2 - show the digits (or *) entered on an LCD - give the user the opti...
By: F22-Raptor

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Mon, 15 Apr 2013 09:37:02 PDT
Can someone lase help?why does it say ROW0 was not declared in this scope in void setup? http://www.instructables.com/answers/Can-someone-lase-helpwhy-does-it-say-ROW0-was-not/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif endara int keyscan() { const int led2pin = 10; const int led3pin = 9; const int led4pin = 8; const int buzzer = 12; const int LidSw =  13; const int ROW0 = 7; const int ROW1 = 6; const int ROW2 = 5; const int ROW3 = 4; const int COL0 = 3; const int COL1 = 2; const int COL2 = 1;     const int keys[12]={   ...
By: endara

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Wed, 10 Apr 2013 12:09:53 PDT
Need help with arduino! I need something to be powered at a certain time. http://www.instructables.com/answers/Need-help-with-arduino-I-need-something-to-be-pow/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Iraz Okay so I'm making something and I really need to know if you wanted to power something at a certain time for example lighting up an LED at 6:00, how would you do it? Please reply  fast! Thanks!
By: Iraz

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Sun, 7 Apr 2013 15:16:29 PDT
Can the arduino detect frequencies? http://www.instructables.com/answers/Can-the-arduino-detect-frequencies/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif knektek I want to make a spectrum analyser and I want to use a micro controller, but I don't know how. I want to know if the arduino (any one) can split up the different frequencies and output them, so I can use it as an input to an LED driver (LM3915). This will allow the LEDs to be at full brightness and ...
By: knektek

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Sun, 7 Apr 2013 11:46:52 PDT
Programming an Attiny85 with Arduino Uno as ISP, but I keep getting Serial was not declared in this scope? http://www.instructables.com/answers/Programming-an-Attiny85-with-Arduino-Uno-as-ISP-b/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif meanbean The sketch runs fine on the uno, but as soon as I switch the board to Attiny 85, i get an error that says serial was not declared in this scope.  Any help is greatly appreciated! Here is the sketch for reference. #include const int relay = 9; //Relay Control const int RECV_PIN = 8; //IR Sensor ...
By: meanbean

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Thu, 4 Apr 2013 16:51:28 PDT
How do I wire up an arduino, keypad, display to a stepper motor? http://www.instructables.com/answers/How-do-I-wire-up-an-arduino-keypad-display-to-a-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif d-porscheguy I know the basics of how stepper motors work and I'm learning about arduino boards work. How do I connect an arduino board, number pad, and digital display to control distance a nema 23 motor travels on a geared rack? I would like to be able to enter a number on the keypad, such as 12.5, have it sho...
By: d-porscheguy

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Tue, 2 Apr 2013 16:29:49 PDT
How to get a arduino to use 3push buttons as inputs, and output a different signal on a speaker http://www.instructables.com/answers/How-to-get-a-arduino-to-use-3push-buttons-as-input/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif dsm5286 Hey all,  I am new to the whole arduino using world.  I have a project that uses 3push buttons, a  breadboard, arduino, lcd display, and speaker. The goal is to write program to play a certain freq. signal through the speaker, (each pushbutton has it's own frequency for the signal) when each of the ...
By: dsm5286

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Mon, 1 Apr 2013 10:20:04 PDT
multiple processes in arduino? http://www.instructables.com/answers/multiple-processes-in-arduino/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 Is there an easy way to run multiple voids at the same time on an arduino uno? preferrably without aditional libraries, but I cannot flash AVR code to it (must be through IDE).  I do NEED to run the processes at the same time, no they do not share pins or variables, and the timing does not need to b...
By: jduffy54

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Tue, 26 Mar 2013 21:25:58 PDT
Arduino DC-DC converter? http://www.instructables.com/answers/Arduino-DC-DC-converter/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif DanNixon I have an Arduino project which drives a set of 12V LEDs using NPN transistors, I had been using the linear regulator on the Arduino to convert 12V to 5V for the Arduino and Ethernet shield, however I have some IL1205 DC-DC converters which could also be used, personally I think the IL1205s are the ...
By: DanNixon

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Tue, 26 Mar 2013 12:10:16 PDT
ATtiny85 Supported Commands? http://www.instructables.com/answers/ATtiny85-Supported-Commands/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif WWC Lately i have had a problem with certain sketches not working correctly on an ATtiny85-20PU. The blink sketch works fine on the ATtiny85 but this sketch below will not, also this sketch below does work correctly on an Arduino board. The list of supported commands for ATtiny85 are pinMode() digitalW...
By: WWC

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Mon, 25 Mar 2013 20:57:31 PDT
How to send internet packets between two arduinos? http://www.instructables.com/answers/How-to-send-internet-packets-between-two-arduinos/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif spaceman12 For a project I am working on i am wondering if there is a way to send internet packets between two arduinos. The set up would be to have both arduinos have ethernet shields. One shield is connected to a computer and the other to a router or other internet connection. The arduuinos need to communica...
By: spaceman12

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Mon, 25 Mar 2013 13:33:31 PDT
bi-color LED sketch will not work? http://www.instructables.com/answers/bi-color-LED-sketch-will-not-work/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif atlas2 I have downloaded the BiColorLED.pde sketch but I cannot get it to work and I cannot figure out what I am missing? I am trying to follow the Basic exercises on a Mac using Arduino, but I cannot get this one to work.
By: atlas2

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Fri, 22 Mar 2013 06:45:31 PDT
I have looked for days to find the answer, but the question remains... What if any common electronics use an atmega8? http://www.instructables.com/answers/I-have-looked-for-days-to-find-the-answer-but-the/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif GunzoZabuza I want a free midi controller. Im not afraid of fabrication, just price tags... Looking into the price difference of a solder remover vs buying new components. I have an enormous stock pile of all kinds of electronics, and after looking threw computers, DVR boxes, and radios, I am left with nothing.
By: GunzoZabuza

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Thu, 21 Mar 2013 10:16:04 PDT
Easyest way for a arduno interrupt to call a funtion? http://www.instructables.com/answers/Easyest-way-for-a-arduno-interrupt-to-call-a-funti/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David97 Hi, I am trying to build a arduino speedometer for my go kart. I need a function that is called everytime a pin goes from low to high using a reed switch. The curcumfrence of the wheel is about 1m. The absoltue maximum this kart will be able to go is about 100km/h (28m/s). So the arduino pin will n...
By: David97

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Wed, 20 Mar 2013 23:35:35 PDT
How to use an ultrasonic proximity sensor to create vibrations? http://www.instructables.com/answers/How-to-use-an-ultrasonic-proximity-sensor-to-creat/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif hackery21 Ok so I want to use something like http://www.parallax.com/Store/Sensors/ObjectDetection/tabid/176/ProductID/92/List/1/Default.aspx?SortField=ProductName,ProductName and http://tinyurl.com/cxlp8jz to create a small system that vibrates when an object is in the way of the detector. To elaborate, Some...
By: hackery21

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Mon, 18 Mar 2013 18:54:09 PDT
I want to turn on/off an LED light from my bluetooth enabled mobile (iphone) phone http://www.instructables.com/answers/I-want-to-turn-onoff-an-LED-light-from-my-bluetoo/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif senmal  I've heard about Arduino however the circuit board is very large, is there something smaller I could use instead or another method. i've seen this video about a bluetooth mini car would it be possible the make the LED device as small as that? http://www.youtube.com/watch?v=9Wd4nt_d2Ig If someone c...
By: senmal

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Mon, 18 Mar 2013 01:02:15 PDT
Arduino EPROM Programming? http://www.instructables.com/answers/Arduino-EPROM-Programming/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Krayzi99 Ok, so I have decided to make an EPROM programmer so I can upload NES games to cartridges ( home-brew, not pirated. ) Does anyone know how to do this? I am a novice at coding, and, when it comes down to wiring, I can't really discern which resistor goes here and there and what value it should be, th...
By: Krayzi99

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Sat, 16 Mar 2013 10:51:35 PDT
How do you make 2 LED's fade (PWM) consecutively on an Arduino? http://www.instructables.com/answers/How-do-you-make-2-LEDs-fade-PWM-consecutively-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Density I want 2 LED's to fade one after another but i can't figure out the code yet. 
By: Density

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Sat, 16 Mar 2013 09:04:05 PDT
Where to go If I want to implement one of the step-by-step Instructables in Germany - Augsburg ? http://www.instructables.com/answers/Where-to-go-If-I-want-to-implement-one-of-the-step/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif tdk4 Dear All, I will be in Germany for like 4-6 months within the next 3 weeks. I don't know anything there so I wanted to ask: 1) Will be the tools expensive there? (like bread boards, PCBs, Multimeter, etc) 2) Is it something handy if I have a design (like Bed design in one of the Instructables) to ...
By: tdk4

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Fri, 15 Mar 2013 16:25:23 PDT
Arduino with timer? http://www.instructables.com/answers/Arduino-with-timer/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif mrmerino I'm not very good at coding so I want to come to you guys again. I need help with a sketch or code that allows me to have three inputs and one output. When one button is pressed, that Arduion pulls the output high for an amount of time dependent on which button is pressed. These times are 3 seconds,...
By: mrmerino

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Tue, 12 Mar 2013 07:32:51 PDT
Why can't I compile the following Arduino code? http://www.instructables.com/answers/Why-cant-I-compile-the-following-Arduino-code/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif RockyRun This always stops at: nunchuck_get_data(); and the error on the bottom says: 'nunchuck_get_data' was not declared in this scope.  I do not understand that message.  I got the code from Arduino Cook Book Edition 2 and I have the Arduino Uno.  It's so discouraging some times.  I am trying to get going...
By: RockyRun

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Sun, 10 Mar 2013 16:24:05 PDT
Looking for help with a simple enough idea? http://www.instructables.com/answers/Looking-for-help-with-a-simple-enough-idea/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ajamesr I say simple enough, but obviously not simple enough for me.  But for someone out there this is probably something you could do in your sleep.... Looking for a setup that has two buttons. When button 1 is pushed, button 2 must then be pushed to register a count of "1" on a display.  And then button...
By: ajamesr

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Wed, 6 Mar 2013 03:07:35 PST
Acess all 23 arduino pins? http://www.instructables.com/answers/Acess-all-23-arduino-pins/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jduffy54 I have an arduino project that is pressd for pins, and I remembered that on Jameco, it mentions that it has 23 I/O pins.  http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_2129334_-1  I am wondering if anyone knows how to use these pins within the IDE (can I just address pin 20-22?...
By: jduffy54

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Tue, 5 Mar 2013 16:19:57 PST
which micro controller should i use for designing a closed loop control for a quad copter and why ? http://www.instructables.com/answers/which-micro-controller-should-i-use-for-designing-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif engr_sameer
By: engr_sameer

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Mon, 4 Mar 2013 09:23:08 PST
how does arduino and bluesmirf communication work? http://www.instructables.com/answers/how-does-arduino-and-bluesmirf-communication-work/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif abdul3 how do i read the tx data and make out what it is sending and receiving? like example i want to read each address and save it..
By: abdul3

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Wed, 27 Feb 2013 15:44:24 PST
How to use a rtc Data logger to set pre determined times in a table/chart ? http://www.instructables.com/answers/How-to-use-a-rtc-Data-logger-to-set-pre-determined/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif instructrk How to use a rtc Data logger to set pre determined times in a table/chart formation to activate when all parameters are true? Parameters would be if its the correct time, and If a button is pressed during the TIME FRAME of the time(30min window) And if another parameter such as a sensor is true. Tab...
By: instructrk

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Wed, 27 Feb 2013 10:19:14 PST
Arduino Code? http://www.instructables.com/answers/Arduino-Code-3/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif giray123 I have a simple problem that I could not solve for days. I am trying to write a code that takes an input from Serial Communication port such as: "00aaaaaaa12dddddddd23vvvvvvvvvvvv" and divides into one string matrix and one array such as String[] = {"aaaaaaa","dddddddd","vvvvvvvvvvvv"} int Array[...
By: giray123

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Mon, 25 Feb 2013 16:03:09 PST
arduino + jquery mobile + SD demo site with jquery and on/off swithes. The UI for it and run it from SD http://www.instructables.com/answers/arduino-jquery-mobile-SD-demo-site-with-jquer/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif nikkpap Home Automation v.1   Home Automation Lights     Light 1   Off   On   Light 2   Off   On   Light 3   Off   On   Light 4   Off   On   nikkpap & duckdodgers - Copyright 2013
By: nikkpap

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Mon, 25 Feb 2013 01:50:51 PST
Help on interfacing CAT35C104 Serial EEPROM to my arduino UNO please.? http://www.instructables.com/answers/Help-on-interfacing-CAT35C104-Serial-EEPROM-to-my-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Mudbud Hey, I'm still semi new to Arduino, but I can read/write to analog/digital pins and communicate via I2C and SPI with other devices and micro controllers, but those are more widely known and I have here with me a ton of 8 PIN DIP, CAT35C104 Serial EEPROM IC's.. And with all that EEPROM lying around I...
By: Mudbud

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Sun, 24 Feb 2013 22:39:57 PST
How do I use Arduino to make 5 servos move at random intervals? http://www.instructables.com/answers/How-do-I-use-Arduino-to-make-5-servos-move-at-rand/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif puregoldner Hey thanks for taking the time to help me out. I am unsure of which inserts I should connect 5 servos to on the arduino board, would I need a breadbox for this? I understand the usb provides only 5 volts of electricity, doubtfully enough for all the servos. Would I have to connect an external power...
By: puregoldner

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Tue, 19 Feb 2013 14:43:25 PST
Looking for an RGB color table, constant intensity? http://www.instructables.com/answers/Looking-for-an-RGB-color-table-constant-intensity/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif quatch Hi, looking for a constant intensity RGB color table to use with a RGB LED. In R, I'd generate a color sequence like this: p=colorRampPalette(c("blue","cyan","green","yellow","red"))(255);data=data.frame(red=substr(gsub("#","",p),1,2),green=substr(gsub("#","",p),3,4),blue=substr(gsub("#","",p),4,5)...
By: quatch

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Sun, 17 Feb 2013 12:01:23 PST
How to use IR remote with Arduino LCD menu? http://www.instructables.com/answers/How-to-use-IR-remote-with-Arduino-LCD-menu/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Timofte Andrei Does anyone know how to edit an Arduino LCD menu sketch to work with an IR remote control instead of using 4 physical buttons? I'm using this menu http://www.coagula.org/content/pages/tutorial-manage-menu-and-lcd-display-arduino but I have troubles in editing the code to use the IR remote control......
By: Timofte Andrei

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Sat, 16 Feb 2013 02:52:42 PST
Help with code on 4 x 4 x4 LED cube with Arduino? http://www.instructables.com/answers/Help-with-code-on-4-x-4-x4-LED-cube-with-Arduino/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jatinbatra Recently i made a LED cube, on my own, and  i want it to display characters, alphabets numbers going layer by layer using the concept of multiplexing and POV (persistence of vision) , i googled a lot, searched on instructables too!! but was unable to find an easy code to do what i want, i am only a ...
By: jatinbatra

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Sat, 16 Feb 2013 02:18:50 PST
dkduino and usb serial converter driver http://www.instructables.com/answers/dkduino-and-usb-serial-converter-driver/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif The nerdling i have a dkduino and a usb to serial converter, both running on a profilic usb to serial chip, when i look at them in device manager, th has a code 10, ive tried updating the drivers and whatnot, what should i do?
By: The nerdling

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Fri, 15 Feb 2013 20:10:46 PST