Instructables: question - arduino Sun, 29 Mar 2015 02:36:54 PDT BLOX v1.01 How to program the XS3868 bluetooth audio module through arduino? LazyH Hello, I have a few of these xs3868 bluetooth audio modules that I used in some speaker systems I built for myself, but now one of my friends wants me to build him a custom speaker with a custom bluetooth device name and passcode. So I thought, ok, I read a little about programming with the AT comma...
By: LazyH

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Sat, 28 Mar 2015 16:25:57 PDT
Programming Atmega8 using arduino troubleshooting? AVISHKAR_ I am making a POV (persistance of vision) project using atmega8 ,which is being programmed by arduino (uno) as ISP i am following this  tutorial videos and blink led code is working well    for me as in the video, I tired the same code by changing the delay for verifying whether the circuit works pr...

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Wed, 25 Mar 2015 20:18:05 PDT
how can i control 6 motors with arduino Mega using PWM? FaheemK1 i have arduino mega and 6 motor of 7.4 V each . i want to create a drone so i want to control each motor . can anyone of you tell me the circuit or may be any Arduino shield that i can use.
By: FaheemK1

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Mon, 23 Mar 2015 05:00:14 PDT
How to make a graphite arduino piano? 1101Snehil Hey frnds! I got inspired by this project:      and a new project came in my mind which will use arduino but i'm not good at programming. As in the above mentioned project the graphite worked as a variable resistor. Is there a wa...
By: 1101Snehil

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Sun, 22 Mar 2015 04:04:28 PDT
Where is the 3.3V regulator on this board? newbie007 I need a 3.3V for one of my projects and decided to scavenge one from an old Arduino clone I had lying around. Only problem is I can't figure out where the 3.3V regulator is!! The board has a 3.3v pin and I've also measured a steady 3.3V output using a multimeter but all I can see on the board is a ...
By: newbie007

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Sat, 21 Mar 2015 11:15:29 PDT
Arduino lag problem Victor8o5 I'm trying to convert my Arduino into a square wave generator to test various flybacks. The problem is the functions seem to lag the process down, I've separated the generator() sequence from the rest of the program to isolate it from lags, but executing the analogread() the while() and digitalWrite...
By: Victor8o5

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Wed, 18 Mar 2015 14:27:38 PDT
about programming emf (Electromagnetic Field) detector dzikriyana Excuse me, I would like to inquire about emf detector. I saw one of the projects in make emf with arduino, with LED bargraph. but here I replaced it with a small audio (8 Ohm), but why not come up with the perfect voice? This is my remake program   if(val = 1){                    val ...
By: dzikriyana

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Thu, 12 Mar 2015 06:58:40 PDT
What Arduino board to use? benmurton As a university project we are making a robot based around a arduino board. The arduino board need to be able to control four stepper motors, two solenoids and have inputs from six analog sensors. The stepper motors will be contolled via EasyDriver stepper motor driver
By: benmurton

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Wed, 11 Mar 2015 19:25:52 PDT
quadcopter with kk board and arduino? cthaliyath We are using a kk board 2.1.5 to control the  quad copter  and it works just fine.Well now we want to move a bit further and start making our own self stabilization algorithms based on slam algorithms . I want the public's opinion on using both the KK board (to auto stabilize ,don't want to mess ar...
By: cthaliyath

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Tue, 10 Mar 2015 20:39:56 PDT
Shift Mosfet and H-Bridge for Arduino Question? rinozen Hi guys, Im Rinozen.. Im newbie on Arduino and Electronic ^_^ Anyway, can you guys please help me? Look at the schematics i've uploaded. Are there something wrong about the track? And what value for the Resistors and Capacitors for the right choice? Sorry about my english ^_^ Thanks for reply... ...
By: rinozen

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Fri, 6 Mar 2015 15:11:12 PST
Arduino soda fountain? kjsrocks I would like to make a arduino soda fountain but i need some advice. Heres my plan Take an 8 channel relay board hook it up to the arduino. Then I take a 8 key keypad and hook to the arduino. I would buy 8 solenoid valves and hook them to relays. The valves would hold 1 water line and 6 flavors. Th...
By: kjsrocks

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Fri, 6 Mar 2015 05:10:20 PST
My Arduino Uno is not showing up as a USB port!!! Please Help! hbade I am currently trying to convert my old shitty keyboard into a MIDI controller and have everything hooked up to a breadboard and Arduino Uno but the Arduino will not show up as 'USB Serial Port" as the website says it will. It is showing up in the device manager under "Ports" named "Arduino Uno (COM...
By: hbade

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Thu, 5 Mar 2015 22:46:42 PST
peculiar issue with arduino clones; thoughts? zack247 So a little while back, I bought about 10 arduino nano clones. I'd used the nanos before, and really like the form factor, so i got some off of ebay. they worked great, and you'd know no difference in performance compared to other boards, these new ones seemed to boot faster even. unlike most, the o...
By: zack247

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Wed, 4 Mar 2015 17:03:15 PST
Hello i have an EPSON EM-11 but i can find any thing abouted(voltage, amps, rotation degrees)? Azouza_Benz
By: Azouza_Benz

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Wed, 4 Mar 2015 11:21:26 PST
Question about flight controller for Quadcopter Gidovoskos Hey lads, After research I found that most of Quadcopter Projects use Multiwii as a flight controller. I would like to ask some things. 1) Multiwii is used ONLY for RC control or you can control your Multicopter using a PC/Mobile through Wi/fi local network ? 2) Can you have Arduino Mini / Arduino...
By: Gidovoskos

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Sun, 1 Mar 2015 14:04:41 PST
How to connect a GSM shield with an Arduino uno board? Huda103 I connected the GSM shield and typed down a code of receiving an SMS, and it keeps showing an error about the serial port type.. I am not a professional person, I am working on my graduation project and can't go further due to this error..any one can help, please?
By: Huda103

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Sat, 28 Feb 2015 03:11:16 PST
how to control arduino uno with smart phone using wifi module? uday kumar44 i want to do a quadcopter which was controlled by smartphone & arduino with wifi interference between them...... can u guys tell me how to connect arduino uno & smartphone & wifi module.
By: uday kumar44

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Fri, 27 Feb 2015 23:42:17 PST
Can't find a library or manual for my rfid reader? JakeWhelchel So I recently got one of these  and it mentions I should download the manual for insturction on the commands, but I can't find the manual or any libraries for the life of me! So i was wondering ...
By: JakeWhelchel

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Mon, 23 Feb 2015 01:43:15 PST
I am not so good in programing arduino and i have some problems, but can't find answer anywhere monpg2 i am have this errors  Arduino: 1.6.0 (Windows 7), Board: "Arduino Pro or Pro Mini, ATmega328 (5V, 16 MHz)" Build options changed, rebuilding all Using library Sprite in folder: C:\Users\Hrvoje\Documents\Arduino\libraries\Sprite (legacy) Using library Matrix in folder: C:\Users\Hrvoje\Documents...
By: monpg2

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Sun, 22 Feb 2015 11:56:06 PST
What really happened to my Arduino Uno R3? 1nventor My Arduino  Uno R3 was working properly, but I connected it to a power supply board along with relays and GSM modem and some voltage fluctuations and blinking occurred. I immediately disconnected everything from it and connected Arduino to my PC. But I was not able to upload any programs to it. avr...
By: 1nventor

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Mon, 16 Feb 2015 19:13:49 PST
How many super bright white LEDs can be connected in series and in parallel to an Arduino pin? steve.tofflemire I'd like to make an 8x8x8 LED cube with super bright white LEDs with the Arduino. I've thought of two ways to do this. I just want to know what my limitations are and if I should use red LEDs instead and what are the limitations on them? I'm using an Arduino Uno R3.
By: steve.tofflemire

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Mon, 16 Feb 2015 18:12:47 PST
How do I expand the number of Arduino I/O's when using the 74HCT165 and 74HCT595? PLTWcole Thank you for responding.
By: PLTWcole

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Thu, 12 Feb 2015 10:22:16 PST
how do I use km44c256bp 8? dancrute I have a few old computers and I am just starting in arduino and am wondering if I can use the km44c256bp 8 and a range of other components. I am getting right in to arduino side so looking to build all sorts of things cuz being on the farm I see a lot of potential in electronics but need I bit of g...
By: dancrute

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Thu, 12 Feb 2015 01:13:19 PST
Where is Girino-Fast-Arduino-Oscilloscope? BobTurtle I have just joined and would like to work with my Grandson on the Girino-Fast-Arduino-Oscilloscope. But I have been unable to find a link to it.
By: BobTurtle

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Wed, 11 Feb 2015 15:20:42 PST
How to use nokia lumia 1020 replacement camera for use in arduino or rasbpi KemalF How can you use a nokia lumia 1020 replacement camera for use in arduino or rasbpi? I could not find a pinout sheet for the camera module, so i have no idea what to do or where to start.
By: KemalF

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Mon, 9 Feb 2015 17:50:19 PST
Arduino Due not working? Arya42 I tried to connect my Arduino Due to my pc to upload a program but it is not recognized by my computer. I updated the IDE to the latest that includes Due board selection, but I can't download drivers to use it. Nothing is listed in Device Manager and I tried both the programming port and the native ...
By: Arya42

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Thu, 5 Feb 2015 10:27:20 PST
How to know if Arduino is working? SowmenD I bought the RAMPS and Arduino Mega 2560 and 5 stepper drivers. I plugged in everything to the pc and everything was working perfectly. I installed all my arduino drivers easily. Then at my friends place when I plugged the psu to the mains and turned everything on, 1 of the stepper drivers started s...
By: SowmenD

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Thu, 5 Feb 2015 07:37:45 PST
How to use Arduino Due? Arya42 I want to use a servo on an Arduino Due like I would on the Uno (use digital pin+ground+5vpin) but I am confused about the 3.3v limitation. The Due has a 5v pin on the board along with a 3.3v, but the website says 5v is not safe for it. Does that mean the 5v pin can't be used like the one on the Uno...
By: Arya42

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Wed, 4 Feb 2015 21:55:40 PST
How to run Ardublock in Ubuntu torx I wanted to ask a question to the community of instructables, hoping to solve my problem: I've been trying for a few days to integrate ardublock with arduino 1.5.8 within Xubuntu. All attempts that I made following the various indications,:
By: torx

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Wed, 28 Jan 2015 15:17:13 PST
Please help with my Arduino program (controlling servo)? Shizen I started trying the Arduino programming 1 days ago so I'm not sure what is wrong with my program (also, sorry for the messy look) const int buttonPin = 2;     int buttonState = 0;         #include Servo myservo;  int n = 0; int pos; int lc = 0; void setup() {   myservo.attach(9);   pinMode(butto...
By: Shizen

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Wed, 28 Jan 2015 05:50:20 PST
Arduino+pir sensor+sender to receiver+LED? ibenkos I want to make something that alarms me when there is movement outside my door, with an arduino uno and pir sensor, and in my room I have another arduino uno with an LED that blinks when there is movement on the arduino outside. And i want the whole thing wireless. How can I do that? and what is the...
By: ibenkos

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Sun, 25 Jan 2015 16:41:26 PST
i want to know the arduino program for controlling 2 motors using rf module? harish.rahman.75 i want to know the arduino program for controlling 2 motors using rf module.i am using a arduino duemilanove & motor driver shield 
By: harish.rahman.75

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Tue, 13 Jan 2015 21:02:27 PST
what are all the android apps can be used to control arduino via Bluetooth? harish.rahman.75 i am planning to control the arduino board via Bluetooth that's why i want to know which android app can be used to control. Can any one suggest me the apps
By: harish.rahman.75

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Fri, 9 Jan 2015 05:49:30 PST
sketch for arduino obstacle robot using seed motor shield v2.0? salvador.lopez1 hi everybody, im barely started writing sletch so i need help, i build a obstacle robot and i used  arduino uno r3 seeed motor shield v2.0 one servo tamiya twin motor gear box hc-sr04 sensor  so i dont really know how to start writind the sketch.....
By: salvador.lopez1

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Sat, 3 Jan 2015 23:51:54 PST
Usb keyboard as lots of switches for arduino? kjsrocks I was just wondering if anybody here knows what would have to be done to use a usb keyboard with the arduino mega ADK to control the outputs of the mega basically a big keypad
By: kjsrocks

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Sat, 27 Dec 2014 08:31:02 PST
Help with an Arduino powered TV remote? texpert So I'm going to attempt to build a TV remote using an IR transmitter and an arduino.  I was looking up the codes for the IR codes for the TV that I have, and so far all I have found is just this website that provides a bunch of hexadecimal numbers for each function of the TV.  But I don't really kno...
By: texpert

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Fri, 19 Dec 2014 23:00:15 PST
220V AC Voltage regulator, controlled with micro controller? goehler_dk Hi I'm fairly new to Arduino (I'm actually using Netduino), and I have been puzzling with making a voltage regulator, for a 100W lightbulb. But my issue is, that I would like to control it digitally, with a micro controller - and not with the usual potentiometer. Is there some kind of digital pote...
By: goehler_dk

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Mon, 15 Dec 2014 10:45:32 PST
Arduino Morse Code decoder? Mad Fox I want to make an arduino morse code decoder, which will print the result on a 16x2 LCD. The input will be 3 button, 2 will be the "_" and "." respectively, the 3rd one will be the "space" button, when press will decode the code which was input. If input was wrong then it will display a "?" mark. An...
By: Mad Fox

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Fri, 12 Dec 2014 23:57:18 PST
read external 6V power source via 5V driven arduino? marc_is_curious I need to check external 6V voltage for a servo circuit on my 5V USB driven arduino uno - in order to not waste power & "over-power" the arduino's analog pin reading the external 6Vt: - should i use a voltage divider with high resistor values? i look forward to your advice …
By: marc_is_curious

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Wed, 10 Dec 2014 07:17:59 PST
3.3V voltage regulator for diy "bare-bone" arduino? marc_is_curious I would like to use whether six AA or one 9Volt external battery for a diy "bare-bone" arduino* (*just the 328p atmega, 8MHz oscilator, capacitors, resitor, LED) & tested LM317, LD1086, LM1117 voltage regulators (it's a "budget" project – hence didn't try any step-up/step-down switching regulators t...
By: marc_is_curious

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Wed, 10 Dec 2014 07:14:46 PST
how to control servo motor(analog or digital servo) with ps2 remote and Arduino Uno r3? vrushank26 hello, I just want to control my servo Pan tilt with my ps2 remote and arduino uno R3. It means when i press the Triangle(Green) button it will move clock wise, and when i press X(Blue) button it will move counter clock wise. and this condition will true when button will press. unless it stop at cur...
By: vrushank26

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Mon, 8 Dec 2014 23:56:31 PST
Arduino NFC trigger? Jonathanrjpereira Hi, I'm making an Arduino powered NFC trigger? I want to control it from my phone. As soon as I switch my phones NFC ON, the Arduino should get triggered. I'm aware that the circuit will contain an Arduino board, a nfc shield , relay. But I need to do this on a budget. So i need to know which is the...
By: Jonathanrjpereira

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Mon, 8 Dec 2014 01:07:38 PST
how to build a smart power meter ? MohammedT1 Hi , can i build a device that can measure the power usage in my house by using arduino or Raspberry PI ?
By: MohammedT1

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Mon, 1 Dec 2014 14:36:57 PST
Where can I find large seven segment displays? furrysalamander My neighbor wants me to make a scoreboard for his ping pong table, but I'm having difficulty finding something to use as the display.  Seeed Studio has some,, but they come in individual segments.  Sparkfun has some as well,...
By: furrysalamander

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Sun, 30 Nov 2014 19:17:35 PST
How can "my project" get featured? iam_maker_leo I'm beginner of Instructable... I uploaded a project 2 weeks ago... This does not get "featured". I know that it is not awesome build... In this time, I have a question..... HOW CAN MY PROJECT GET FEATURED? I am preparing one project more.... I want to get featured... Please Let me know
By: iam_maker_leo

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Thu, 27 Nov 2014 20:02:25 PST
arduino, servo + external power: ground to arduino, double power's runtime? marc_is_curious hope you may have a spare second to send an input & looking forward to your reply! ----------------------------------------------------------------- ----------------------------------------------------------------- arduino, servo + external power, potentiometer, switches ground to arduino once i c...
By: marc_is_curious

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Tue, 25 Nov 2014 19:50:39 PST
What are some compatible displays for Arduino Uno? SuperScourge I'm gonna create a little half scale Arcade machine (out of cardboard if I can) just for fun so I can know how to code the screen but I don't know what displays can work for the Arduino Uno and I've found one at Sparkfun which is the touch one for it but that's too Expensive! So what are some displ...
By: SuperScourge

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Sun, 23 Nov 2014 22:53:00 PST
How do I play a song from my computer using arduino? jvan27 Hello! I am a maker beginner and I need some help!  :( I am trying to make a device that detects when it is moving and then plays a song from the computer. Right now I have an accelerometer from adafruit which is attached to the adafruit flora. the information is being displayed through the serial ...
By: jvan27

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Sun, 23 Nov 2014 21:28:22 PST
My coding in Arduino has an error? adriana.massie.9 I got a robot kit form Radio shack and I had the choice to build the line following robot or the walking robot. So i built the walking one. I download the program(Arduino) and everything. So when i click the verify button and error thing comes up. It tells me that"MakeItRobotics does not have a name...
By: adriana.massie.9

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Tue, 11 Nov 2014 13:01:24 PST
RFID or Smart Card Cashless Payment System? 7_7 Hello! I was wondering if it was possible to make a cashless (apart from adding funds) payments system. I was thinking it could be done with an Arduino and RFID reader/writer OR smart card reader/writer. The balance would be stored on the card (AFAIK data can be stored on the cards) and when the pe...
By: 7_7

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Mon, 10 Nov 2014 11:22:55 PST