Arduino Definition and 140 Threads

Hey guys, I am trying to come up with an idea to measure incident intensity of headlights from an oncoming car for one of my uni projects. This wasn't specifically assigned project topic, we get to choose what we want to do. It's my Instrument and Measurement unit, and I had this idea thought it...

http://www.infineon.com/dgdl/Infineon-IRS2453D-DS-v02_00-EN.pdf?fileId=5546d462533600a40153567ac42f2814 I currently have a H-Bridge circuit and would like to use the IRS2453DPbF to power it. I would like to do this using an Arduino but am unsure on how the Arduino connects up to the driver. It...

I need to make an electromagnet that would generate a force to lift 1/2-1kg, and would use a current of 100mA, if not possible 200mA would be fine as an Arduino supplies a maximum of 500mA and 5V, and if 1kg is not possible then 1/2Kg would be fine, please help me in my calculation. and which...

I'm creating a project where the motors have to be triggered by a photodiode. A light provides a steady stream of current to the photodiode and when that incident light is scattered, the motors move. But in reverse bias a photodiode needs to have a dark environment to provide 'infinite...

Hello I'm trying to radio control a 24V 250W DC motor using Arduino. Instead of buying a real RC ESC I thought I might as well build an H-bridge myself and learn something along the way. I was thinking that I can use some logic level MOSFETs like the IRL7833 or something similar (this one is...

Hello, I am doing an arduino project and I need a bit of help with a code. What I am doing is I am setting an Infrared led to pulsate at different frequencies and I use IR phototransistor to capture that light. Then the phototransistor sends the data back to the arduino and here I need to add...

i ve got an Arduino Uno R3 and the OV7670 camera module SD Module and a Wifi shield . ive done tweeting with arduino using twitter library http://playground.arduino.cc/Code/TwitterLibrary i was wondering Is there any library to post images in a tweet? or some other hack?

not sure why I am getting a syntax, I am new to programming so trying something simple. Can somone please explain why I am getting this error? int LED = 11; // on/off battery 2 control int LEDP = 5; void setup() { pinMode (LED, OUTPUT); pinMode (LEDP, INPUT)...

Hello, I have an arduino code for driving a peltier pile to a given set point (TEMP_SP). I am trying to input the set temperature from Matlab GUI (with different protocols, user will enter n temperatures and the time intervals, arduino will implement the PID controller and output the...

I'm looking to build an Arduino that is capable of following a line depending on a colored strip on the ground, either black or white. I think I might use a LDR, but not quite sure where to even start to be honest. My office is having an Arduino contest, and I just want the Arduino to carry...

I want to use a differential amplifier to separate the digital and analog ground portions of a circuit, but am not confident in my understanding of the datasheet of the amps I have on hand (amp03). http://www.analog.com/media/en/technical-documentation/data-sheets/AMP03.pdf I think that...

What do you guys think of Arduino? I have been using to build little autonomous robots and it seems to work pretty well other than storage and voltage limitations. Is there anything better i could upgrade to or should i just stick with it?

hi every one , I'm a student in university , i have a projet it's about calculate speed of waves in liquid by to piezo electrique , one workd like emmeter and the other receppter , the distance betwin the two piezo is fixe , the probleme is i nedd to calculat the time betwin the moment who i...

I'm enjoying playing around with Arduino. It's very nice and intuitive, and it was a great introduction to electronics for me. But I've heard some people complaining that Arduino makes you lazy, and that you should learn how to program PIC instead. Thing is: apart from undertanding better the...

Hey folks. I've done a little bit of research into model rocketry and I'm stuck with the idea of designing and projecting a rocket to put into practice all the engineering I'm learning in college - I'm into MechE. I want to start simple, doing a few tests and learning the basics - types of...

I really like Mechanical Engineering. I'm now at the second year of my undergrad and I'm now taking some specific courses in engineering - after a whole year of calculus and physics. I think it's the broadest engineering, and I'm an admirer of the aerospace industry and would like to work with...

I need to program an arduino robot to execute a series of actions when there is an obstacle infront of him. Actions like: stop>go backwards>stop>shift left>go forward>stop>shift right> continue forward. With this the robot will avoid obstacles while keeping his original dirrection. The problem...

I am currently using the Adafruit Motor Shield in conjunction with an Arduino Motor Shield to control two 7.2V DC Motors. The DC Motors are being powered by a 7.2V, 3000 mAh Nimh battery. When the two DC Motors are being powered in parallel directly by the Nimh battery, they are able to move...

I'm working on a turbocharger controller that has to do a lot of real-time (well, close to it) work, it's powered by an Arduino Mega 2560, which has lots of memory, but is quite stingy on processing power.. and to make it harder, transfer has to be done over a serial port to another unit...

how can I control 2-way motor, to be specific I want to change direction after few rpm, is it possible to do it without arduino

Hi. I am working on a project that requires moving a small camera on a platform in a linear fashion. I have a rectangular board and this camera need to move from one end to the other controlled by an arduino or something similar. I don't even know how to begin to approach this problem. I am...

I want to be able to tip a can by building a device that fits inside the can and is able to tip it even when the can is completely closed. I have a motor and an arduino to control it. Would I be able to tip it by spinning a weight around the vertical axis of the can? Or would action and...

I have completed a small project of ac circuit analysis on intel galileo in arduino. I want to make a GUI now. How should I proceed? I know C and a little C++.

I connected the A0 pin of arduino uno to +5V and read the voltage using analogRead () and displayed the result and elapsed time on the serial monitor. Its reading only 30 samples per second. What's going wrong? How do I change the clock prescaler for the ADC?

Dear everyone, I trying to save serial monitor in the text file, but I still do not know how, could you please help on this problem? Here is the codes with random numbers are set up, and I would like you save all data into the text file, Thank you very much, Nate Duong, long Channel1a;long...

I want to work on building a quadrotor or rover using Arduino/AVR. What is the best way to get started? Should I buy a kit with instructions? This is my first time venturing into robotics using microcontrollers. I am not sure if buying a kit is more useful (or maybe a specific kit produced by...

Hi all, I'm looking to get started with a multitouch project using stereovision. Since I'm only interested in 2D for the moment I'm looking for a cheap line scan camera that I could use for the project. Ideally with an Arduino or that I can directly plug in the computer. The idea is to put 2...

Hey for a while I thought that I would have to always lug around my huge HP laptop in order to code for my Arduino... seeing as my slim, sleek, light weight chrome book has an OS that revolves around apps rather than programs. But then found out about a thing called Codebender (...

A friend of mine wrote some code in C# that he is wanting to use in order to basically make a house controlled by voice commands he would input via microphone connected to his computer. He wrote some code and asked for my opinion and I have no idea how to read C#. Anybody help me find where he...

So I was starting a project and have run into a small issue. I was following a tutorial and the code is not compiling correctly. The error reads as: Arduino: 1.6.3 (Windows 8.1), Board: "Arduino Mega or Mega 2560, ATmega2560 (Mega 2560)"...

I am making home automation model and I have few sensors installed to sense some changes in the environment to detect any changes. So these sensors provide me data , but I want to know what changes does Human body exerts on the environment it enters, so that I can install those sensors which...

Hi all, Hopefully this is the right subforum. I have a question related to Arduino sensors. Q:Generally, when do you need to be worried about losing data from having long wires from your sensor to your Arduino board? Details:For example, I've been looking at two sensors. Sensor 1: MLX90614...

I am trying to achieve real time plotting of accelerometer data using an arduino, an Xbee, and Matlab. Usually when the Matlab program gets data, it gets something like this: ~ #� ' X: -2 Y: 20 Z: 4080 t: 33232 ~ !� ' X: 4 Y: 2 Z: 4066 t: 33255 b~...

Greetings! I'm working on a project involving multiple different Arduinos spaced about 500 feet apart. I have a master Arduino which I plan on being an Arduino Mega and 5-8 separate slave Arduinos (probably Arduino Nanos) which feed basic data like switch values to the master. I would like to...

I am an electrical engineering student. I have been on summer break for a few weeks now and I had time to work on my project. This is not a school project but something I had wanted to complete for a while. I haven’t decided what I am going to do with it yet. I just built it for the fun of it...

Hello guys! i am electrical & electronic engineering, 2nd year (almost done) hopfully 3rd year in the upcoming term after summer, and i chose my modules for next year but i haven't taken any computing or microprocessors module as I am really bad with them, but I am buying an arduino next week...

If I am using a continuous rotation potentiometer on a pulley, and I want to use an Arduino to convert this reading into an angle as part of an angle control system, then what are the limitations for how fast the pulley can turn? Specifically, if the pulley is turning at 450RPM, will a...

So I have looked over a few other posts and do not feel like they are covering what I would like done. So I am currently using an Arduino Uno for the controller and am wanting to use an onboard Raspberry Pi in order to run the code and will be attached to my schools wifi in order to have a...

hello there, i just want to ask some questions related to PID controller. currently, i have run zumo robot to detect line by using PID controller approach ziegler nichols method..however, by testing P,PI, and PID, P gives the most accurate when zumo follows the line..which is better actually? P...

Hi, thank you for your help in advance. I have a circuit configured as shown in this image. I got this arrangement from an earlier thread. An arduino controls a DC solid state relay, and it works fine when my load is a simple LED. The arduino is controlling through a digital output header and...

I want to supply some LED's and a motor from an outside source of electricity (i.e. a battery pack, wall outlet, batteries in series, etc.) and want to use the Arduino to be able to "switch" on and off these sources so that I am able to control long strands of LED's with the Arduino (for like a...

Hello , everyone! Recently I've bought the arduino board with the arduino breadboard syb 46 https://drive.google.com/file/d/0B4BDjpN_PwarV3VJMU84R2RUS0E/view?usp=sharing.The problem is I don't understand how to use it. I can't understand the scheme of this model of breadboard, where is plus and...

Hey everyone, I'm a student working on building a wind tunnel with some classmates. I'm in charge of figuring out the drag and lift force sensors. I'm currently looking these two components: http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_2128260_-1...

I'm an Arduino electronics hobbyist I'm not a professional electrical engineer. How would I mount a small ultrasonic sensor on a continuous rotation servo, without tangling the wires? How would I fix this problem easily and what's the most common way to mount electronics in a rotating object...

If you were starting with no applicable background, no engineering degree, nothing except for a lot of free time and a moderate amount of money to spend, how would you become Tony Stark? No limits on time, whether it's 6 months or 60 years, how would you go from Joe the VCR clock programmer to...

Hello, I am new to any type of engineering and just have been working with Arduinos and other microcontroller lately for fun. I am creating a prototype for a project that requires me to use a 9V power supply with 1Amp to power the Arduino(note, the arduino only needs around 300mA to run). I...

I can find instructions and videos everyone for how to control a remote control car with buttons on a smartphone screen. However, what I'M hoping to do is control an arduino equipped motorized car using the gyroscope and accelerometer contained within the phone. I have found the Wireless IMU...

Hi guys I hope you have time to take a look at my calculation and tell me if this is possible to achieve. I have to make a project, where I have to rotate an object which will resist more and more to the rotation. The protocol is: Rotate the object with a torque of 5 Nm until the resistance...

So I've been researching whatcould be the sensor/s that would do what the picture depicts: I have camera A behind camera B. What I'm trying to achieve is: to point the position of camera B when B passes on the field of view of A. When B pases in front of camera A the Screen of camera A will...

Hi everyone, so I was relooking into the external EEPROM problem I had earlier for the Arduino, and am thinking that I am missing even just a basic understanding of it. So I'm using this https://www.sparkfun.com/products/525 EEPROM which should have 256kbits of space. I am hoping to save 4...