Instructables: question - arduino http://www.instructables.com Wed, 4 May 2016 12:50:33 PDT BLOX v1.01 how to control DC motor go forward, reverse and stop with IR sensor? http://www.instructables.com/answers/how-to-control-DC-motor-go-forward-reverse-and-sto/ 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 승주권 hello to use arduino, i am trying to control DC motor via IR sensor, but  i have no idea how to coding the source put in the conditions the conditions are under parts - 1. arduino Mega 2. IR sensor 3. DC motor 4. L298n(motor driver) Current state  = DC motor STOP / IR sensor ON --- CONDITIONS...
By: 승주권

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Tue, 3 May 2016 12:37:05 PDT
how can i do submit button when i click it i go to URL example google.com in arduino ethernet shield code?? http://www.instructables.com/answers/how-can-i-do-submit-button-when-i-click-it-i-go-to/ 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 ahmad_pika91
By: ahmad_pika91

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Sat, 30 Apr 2016 09:51:01 PDT
how can i protect my arduino ethernet shield code with password, then who enter the ip address is requested for passwrd? http://www.instructables.com/answers/how-can-i-protect-my-arduino-ethernet-shield-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 ahmad_pika91
By: ahmad_pika91

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Sat, 30 Apr 2016 09:49:11 PDT
Need help to make the stepper motor rotate in forward and reverse direction using limit switch? http://www.instructables.com/answers/Need-help-to-make-the-stepper-motor-rotate-in-forw/ 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 MELVINJ5 This is the code I used to forward the stepper for 360 degree,reverse the motor for 360 degree without using the switch. I need help to make the motor rotate in forward direction for 180 degree only after we click a limit switch and when we click the switch again,the motor have to rotate in reverse ...
By: MELVINJ5

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Sat, 30 Apr 2016 06:00:07 PDT
making an LED blink? http://www.instructables.com/answers/making-an-LED-blink/ 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 Gaudnarok so im doing a school project, and i can't figure out this circuit that my teacher recommended me use. can someone explain it to me? i am trying to make the circuit on a bread crumb board (i think they are called that) and i am not sure what i am supposed to do. i am going to use a 555 timer.
By: Gaudnarok

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Fri, 29 Apr 2016 03:45:20 PDT
arduino wifi shield code what is wrong? why i cant turn on and off the led? http://www.instructables.com/answers/arduino-wifi-shield-code-what-is-wrong-why-i-cant-/ 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 ahmad_pika91 #include #include IPAddress ip(192, 168, 0, 120); char ssid[] = "TP-LINK_7035CE";     //  your network SSID (name) char pass[] = "(sabra*123)";        // your network password WiFiServer server(80);     // create a server at port 80 String readString;         // stores the HTTP request ///////...
By: ahmad_pika91

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Wed, 27 Apr 2016 00:42:32 PDT
How can I make my arduino communicate with a Windows 10 computer with a C application? http://www.instructables.com/answers/How-can-I-make-my-arduino-communicate-with-a-Windo/ 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 IsaacPierce Hi I was hoping someone could help me with this. I am very new to the C programming language and I am trying to write a  simple program with a button that when clicked sends my arduino a "1" so that my arduino knows to send me some sensor readings. My arduino is on COM5. if you know anything about t...
By: IsaacPierce

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Tue, 26 Apr 2016 15:14:09 PDT
Unable to retrieve Rfid variable. http://www.instructables.com/answers/Unable-to-retrieve-Rfid-variable/ 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 HiteshP16 I am unable to retrieve string (RFID) from Arduino connected to Android app through Bluetooth . Arduino code #include #include #include #define SS_PIN 10 #define RST_PIN 9 char command; String string; MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class MFRC522::MIFARE_Key key; byte nui...
By: HiteshP16

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Wed, 20 Apr 2016 12:18:30 PDT
Turn multiple LEDs on when motion is detected? http://www.instructables.com/answers/Turn-multiple-LEDs-on-when-motion-is-detected/ 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 xMisaaaki Hi, I'm working on a code where the situation is "if motion sensor reads movement, turn one led on'. This has to happen three times. When the motion sensor read 3 times a movement, the third and las led will turn on, which activates the servo motor to move. Right now I'm stuck at some points in the...
By: xMisaaaki

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Mon, 18 Apr 2016 06:42:25 PDT
Arduino Code for LEDs http://www.instructables.com/answers/Arduino-Code-for-LEDs/ 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 AlexH155 I am trying to get it to work so one button turns on and off the lights and then another button that switches one set of lights on then when pressed turns those off and puts on another set on. Basically one set of yellow lights on then when the button is pressed they turn off and the red lights go o...
By: AlexH155

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Sat, 16 Apr 2016 12:57:29 PDT
3D printing stand alone heated bed controller with Arduino? http://www.instructables.com/answers/3D-printing-stand-alone-heated-bed-controller-with/ 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 ad5000 So I saw a video today with the 3D printing nerd and he showcased his gmax 3D printer with and a new heated bed, and it had a seprate heated bed controller. The video here in case you want to view it, http://youtu.be/ohPhMVtxsK4 and gcreates website for the heated bed itself, https://shop.gcreate.co...
By: ad5000

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Wed, 13 Apr 2016 15:08:05 PDT
How do I get RPi flask server to control Arduino over wifi? http://www.instructables.com/answers/How-do-I-get-RPi-flask-server-to-control-Arduino-o/ 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 ThothLoki I have a RPi web server running flask and a wifi enabled Arduino in my garage to monitor and control various items. I need a way to control the Arduino from the RPi-hosted web page. I am just stumped at how to do this over ethernet/wifi/TCP/IP. Any suggestions and help is greatly appreciated!
By: ThothLoki

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Mon, 11 Apr 2016 21:02:55 PDT
Bluetooth, RGB sensor and Android app http://www.instructables.com/answers/Bluetooth-RGB-sensor-and-Android-app/ 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 CourageQ This code is supposed to convert information from a color sensor and display what ever color is shown to the sensor as RGB values on the android app.  How can one incorporate bluetooth functionality to the following code?  Any help will be more than greatly appreciated. Even a donation  This is the ...
By: CourageQ

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Sat, 9 Apr 2016 11:04:43 PDT
Help programming arduino project for RC planes and xbox 360 controllers http://www.instructables.com/answers/Help-programming-arduino-project-for-RC-planes-and/ 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 lug big lug Hi there Instructable community! I am working on building a control hub for my drone project and know little to no programming. Would it be possible for one of you wonderful people to help me out by putting together/writing code to fit these requirements for me? I will fill in any needed informatio...
By: lug big lug

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Tue, 5 Apr 2016 17:23:53 PDT
controlling 100 rgb leds from arduino? http://www.instructables.com/answers/controlling-100-rgb-leds-from-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 uditha mihiranga Hey there i got 100 of 5 mm rgb led diodes. so i want to run them as string lights. so can i do it via arduino? if it is possible please tell me how to do it. thanks
By: uditha mihiranga

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Mon, 4 Apr 2016 23:41:27 PDT
How to control 6 servos with 6 potentiometers wirelessly using arduino and nrf24l01 wireless tranciever? http://www.instructables.com/answers/How-to-control-6-servos-with-6-potentiometers-wire/ 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 Science102 I am building a robot arm and am using the master-slave control system with it. In other words I am doing the arduino "knob" example but with 6 servos and 6 potentiometers. I already have the code written for this but it is with a wired connection. I need to wirelessly do this with 2 arduinos and th...
By: Science102

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Sun, 3 Apr 2016 18:55:06 PDT
Xbee interfacing -Need to send PIR sensor value and Gas sensor value from Tx end to Rx end.Read details for further info http://www.instructables.com/answers/Xbee-interfacing-Need-to-send-PIR-sensor-value-and/ 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 gsuresh1 Hi all, I am building a robot for my project and currently i am facing some issues with it.. Hope someone could help me resolve it. ! Thanks in advance for your help and support !! :-) Detailed specs : First of all i use 3 arduino - 1 at TX (user end) and 2 at RX (Bot side). Now , I am using a PI...
By: gsuresh1

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Sat, 2 Apr 2016 20:26:27 PDT
PIR motion sensor,DC motor and Speaker alarm system help? http://www.instructables.com/answers/PIR-motion-sensorDC-motor-and-Speaker-alarm-system/ http://cdn.instructables.com/FRX/1MYB/IMDZCTDE/FRX1MYBIMDZCTDE.SQUARE2.jpg http://cdn.instructables.com/FRX/1MYB/IMDZCTDE/FRX1MYBIMDZCTDE.SQUARE.jpg http://cdn.instructables.com/FRX/1MYB/IMDZCTDE/FRX1MYBIMDZCTDE.SMALL.jpg TianL4 I'm trying to create an alarm system using a PIR motion sensor, DC motor and a speaker so when someone gets close to it the DC motor should vibrate and sound and alarm through the speaker. (using and Arduino UNO) I've got  an external 9V battery powering it. the PIR and sound works fine I just want ...
By: TianL4

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Thu, 31 Mar 2016 19:09:20 PDT
Need help to move a solenoid to sound http://www.instructables.com/answers/Need-help-to-move-a-solenoid-to-sound/ 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 lonesoulsurfer Hello all, I am working on a project where I need a solenoid  move to sound.  I was thinking of using an Arduino and a microphone to achieve it but I'm a little stuck.  The goal is to have music playing and have the solenoid move to the music.  I also want it to move to noise so that's why I went do...
By: lonesoulsurfer

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Thu, 31 Mar 2016 17:11:29 PDT
Help building a CNC/3D printer? http://www.instructables.com/answers/Help-building-a-CNC3D-printer/ 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 KhayhenS Hi, I'm working on building a mini CNC machine then upgrading it to a 3D printer after that using some old CD drives. I want to use the GRBL controller program for this machine. Firstly, most guides ask to use a A3967 driver module for the stepper motor but its pretty hard to obtain that from where ...
By: KhayhenS

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Tue, 29 Mar 2016 05:34:18 PDT
How to use nrf24l01 (transciever) with arduino to control servos with potentiometers? http://www.instructables.com/answers/How-to-use-nrf24l01-transciever-with-arduino-to-co/ 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 Science102 I am trying to  control 6 separate servos connected to one arduino 6 seperate potentiometers connected to another arduino. The two arduinos are connected wirelessly with an nrf24l01 connected to each arduino (total of 2 nrf24l01 being used). I modified the code from this instructable: http://www.ins...
By: Science102

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Fri, 25 Mar 2016 21:59:19 PDT
Arduino Base64 encoding problem http://www.instructables.com/answers/Arduino-Base64-encoding-problem/ 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 Downunder35m I have a value that in a later step will be base64 decoded with some other values. The problem is that the input range for this value is from 0 to 10000 - so outside the 255 for base64. The line causing me the headache is from a Python script but the math for the Arduino are the same: NewValue = ((...
By: Downunder35m

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Tue, 22 Mar 2016 23:48:03 PDT
How to fix a servo with a burned out green circuit board? http://www.instructables.com/answers/How-to-fix-a-servo-with-a-burned-out-green-circuit/ 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 Science102 I have a Hitec HS -805BB servo that seems to have a burned out component on the green pcb circuit board (the component looks like a H- bridge of some sort). For this reason the servo won't work. I tested the potentiometer, gears, and DC motor inside this servo and they work great. I was wondering if...
By: Science102

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Tue, 22 Mar 2016 21:26:20 PDT
How to blink a single ws2812b led? http://www.instructables.com/answers/How-to-blink-a-single-ws2812b-led/ 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 gada888 Hi, I am writing a code which include a segment below: if (sensorValue = 500) {    blue=255;    red=0;      }   else {    blue=0;     red=255; The above code made the led show either red or blue.but I wanted the LED(a single ws2812b) to blink in RED.but i don't know how to input the value.any su...
By: gada888

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Thu, 17 Mar 2016 02:05:12 PDT
Looking for someone to write the code required for my Arduino project? http://www.instructables.com/answers/Looking-for-someone-to-write-the-code-required-for/ 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 01221 I do some volunteer work at a remote hospital in Zimbabwe and travel there every couple of years from Canada with a group to do some project work. A couple of years ago we did a lot of work on replacing their water supply infrastructure. Basically they have two pumps from a water source that feeds 5...
By: 01221

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Wed, 16 Mar 2016 08:35:18 PDT
ARDUINO: how do I check if the inputString has just numbers and not letters?? http://www.instructables.com/answers/ARDUINO-how-do-I-check-if-the-inputString-has-just/ 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 SofiaM21 I am writing a program, and in the program there is a part where you can change password. Now, I want the program to accept only numbers, and only 4 tabs (Example: 1234, 5678 and more. between 0000 to 9999). how do I do that? what function should I read about? thank you in advance 
By: SofiaM21

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Sat, 12 Mar 2016 05:37:45 PST
How to format instructions on the chess playing robot project? http://www.instructables.com/answers/How-to-format-instructions-on-the-chess-playing-ro/ 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 PersonP2 I have been working on the project found on this instructable, and I can not figure out what to enter in the serial monitor. To be clear I have only built the x y, the motor assembly. So the only the code found in the folder in the zip file named motor controller. In other words, my question is what...
By: PersonP2

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Sat, 5 Mar 2016 23:20:53 PST
Arduino or AVR chips? http://www.instructables.com/answers/Arduino-or-AVR-chips/ 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 ShuvamP I have a strong will to learn micro controllers, but i am confused with certain aspects . Since, i am new at these, so please suggest me. Which one should i chose arduino or avr chips. Please, also suggest , which programming language would be easy , arduino based or .c based (avr) language. I am al...
By: ShuvamP

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Sat, 5 Mar 2016 11:33:05 PST
How do i make an arduino robot follow a pre determined path using my phone's GPS by connecting it through bluetooth? http://www.instructables.com/answers/How-do-i-make-an-arduino-robot-follow-a-pre-determ/ 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 Hyder Husain Arastu
By: Hyder Husain Arastu

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Sat, 5 Mar 2016 06:58:28 PST
Arduino IDE wont load to Mega 2560 it gets half way through the compile and upload, then says com X is already in use? http://www.instructables.com/answers/Arduino-IDE-wont-load-to-Mega-2560-it-gets-half-wa/ 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 Dr.Z2 I am running win 7 and it doesn't matter what the baud rate it set at for the port. There are no other programs running to lock up the port and only usb plugged in is the 2560 and the keyboard. Someone please tell me the secret. Thank you in advance! Oh and it doesnt matter what version IDE I use ei...
By: Dr.Z2

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Mon, 29 Feb 2016 18:08:02 PST
Is there a way to count button pushes on an arduino and have the led blink after pressed the button 4 time? http://www.instructables.com/answers/Is-there-a-way-to-count-button-pushes-on-an-arduin-1/ 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 AzamJ i would like to make if the button pressed 4 time.. led will start blinking for 5 second and if button pressed 8 time.. led will start blinking for 10 second... Can anyone help me with an example code or a tutorial somewhere? Greatly Appreciated!
By: AzamJ

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Mon, 22 Feb 2016 23:39:39 PST
PWM question for the experts here.. http://www.instructables.com/answers/PWM-question-for-the-experts-here/ 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 Downunder35m I am in need of some way to change a PWM signal coming from my Arduino. The firmware only allows for PWM settings from 0-255. What I want to accomplish is this: With the 0 as the lowest value and 255 the highest for the incoming PWM signal I want to change it to a "smaller bandwidth". Ok, your are c...
By: Downunder35m

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Sun, 21 Feb 2016 22:42:13 PST
Can you help me to find error in the code? http://www.instructables.com/answers/Can-you-help-me-to-find-error-in-the-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 KacperK8 Hi! When I try to upload it, error occurs: "expected unqualified-id before numeric constant" Here is the code: #include #include #include #define ONE_WIRE_BUS 10 OneWire oneWire(ONE_WIRE_BUS); DallasTemperature sensors(&oneWire); LiquidCrystal lcd(1, 2, 4, 5, 6, 7);  #define trigPin 8 #define...
By: KacperK8

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Sun, 21 Feb 2016 03:49:45 PST
Dim an LED with DMX and Arduino http://www.instructables.com/answers/Dim-an-LED-with-DMX-and-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 theredbryophyte I need to control a single LED strip from a DMX lighting desk. I'm planning on using an Arduino with a MOSFET and use the analogWrite function to control the brightness (possibly with some capacitors to smooth the dimming process). I want to be able to transfer the 8-bit value from the DMX channel t...
By: theredbryophyte

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Sat, 20 Feb 2016 14:24:59 PST
How to communication between arduino and computer? http://www.instructables.com/answers/How-to-communication-between-arduino-and-computer/ 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 SulemanC I am working on Fleet management and this with my project There are three possible states for the device which we need to implement (Off, Running, Configuration, Factory Settings) There should be a button to change the device status (only one button please). If the device is already off, pressing th...
By: SulemanC

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Tue, 16 Feb 2016 00:00:13 PST
I need help with coding a car cruisecontrol and Arduino Leonardo (HID)? http://www.instructables.com/answers/I-need-help-with-coding-a-car-cruisecontrol-and-Ar/ http://cdn.instructables.com/FYP/G4FM/IKMVDFC0/FYPG4FMIKMVDFC0.SQUARE2.jpg http://cdn.instructables.com/FYP/G4FM/IKMVDFC0/FYPG4FMIKMVDFC0.SQUARE.jpg http://cdn.instructables.com/FYP/G4FM/IKMVDFC0/FYPG4FMIKMVDFC0.SMALL.jpg Jeroenv26 Hi all, I have a challenge I cant solve, I need your help! I have a car cruise control lever I want to connect to an Arduino Leonardo and have it act like a keyboard (HID). It has only two wires, 3 push buttons and one toggle switch. I do know the input voltage is 5 volt and every button has its o...
By: Jeroenv26

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Mon, 15 Feb 2016 06:34:50 PST
L293D with 12V motor issue? http://www.instructables.com/answers/L293D-with-12V-motor-issue/ http://cdn.instructables.com/FSI/QVGK/IKFS1KAR/FSIQVGKIKFS1KAR.SQUARE2.jpg http://cdn.instructables.com/FSI/QVGK/IKFS1KAR/FSIQVGKIKFS1KAR.SQUARE.jpg http://cdn.instructables.com/FSI/QVGK/IKFS1KAR/FSIQVGKIKFS1KAR.SMALL.jpg gada888 Hi,All Now i wanted to control a 12V motor with a L293D chip.my purpose is to make the motor go forward and reverse with the control of Arduino.I got a wiring from internet.but I think is incomplete wiring.the arduino uses 5v power rail and the motor uses 12v power rail.from the wiring i cannot fin...
By: gada888

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Thu, 11 Feb 2016 19:50:27 PST
How do I wire a LTC3780 to my arduino and display? http://www.instructables.com/answers/How-do-I-wire-a-LTC3780-to-my-arduino-and-display/ 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 icey.hood I'm re-purposing an old ATX psu into a variable bench psu. The current project has LM2956's however they're faulty, I can only see 11.78V max instead of 29+V. The other down side to these modules is the lack of current control. The project also has an arduino Mega handling acs712 hall current effect...
By: icey.hood

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Thu, 11 Feb 2016 16:34:03 PST
Need help for a project? http://www.instructables.com/answers/Need-help-for-a-project/ 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 mkeranov So I've to make a multi-functional garbage container, which would be solar powered, and it must have an arduino . The idea is that the container will have 2 LCD displays showing a moving eye, a sensor for when something is thrown inside (the sensor must activate an audio device, which should say "th...
By: mkeranov

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Thu, 11 Feb 2016 11:39:11 PST
How to stabilize a Segway using Arduino, MPU6050 and Sabertooth 2x32 ? http://www.instructables.com/answers/How-to-stabilize-a-Segway-using-Arduino-MPU6050-an/ http://cdn.instructables.com/FT3/NE7T/IKFS628V/FT3NE7TIKFS628V.SQUARE2.jpg http://cdn.instructables.com/FT3/NE7T/IKFS628V/FT3NE7TIKFS628V.SQUARE.jpg http://cdn.instructables.com/FT3/NE7T/IKFS628V/FT3NE7TIKFS628V.SMALL.jpg Madbots I'm new to programming and this is my second project. Currently I have completed the mechanical design and fabrication. The wiring has been completed but when I switch the main power ON, the left side motor starts spinning at max speed. Can anyone please comment on this issue?
By: Madbots

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Wed, 10 Feb 2016 07:23:52 PST
Make Led cube? http://www.instructables.com/answers/Make-Led-cube/ 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 Soumojit Hi, I want to make a 4x4x4 led cube ? Please tell me which is the best instructables to make a cube? Which cube is good common anode or cathode? I want to make the cube with a arduino uno I find  a  instructables - http://www.instructables.com/id/4x4x4-LED-Cube-Arduino-Uno/ Is it good to make an...
By: Soumojit

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Mon, 8 Feb 2016 00:11:13 PST
Is it possible to upload a new Arduino, already compiled sketch with VB or C? http://www.instructables.com/answers/Is-it-possible-to-upload-a-new-Arduino-already-com/ 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 mart225 Hello everyone, so my question is: Is it possible to upload already compiled sketch with the Arduino IDE (.ini file) with a program created in VB or C?
By: mart225

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Thu, 4 Feb 2016 00:40:22 PST
Arduino calculation error... Or operator error? http://www.instructables.com/answers/Arduino-calculation-error-Or-operator-error/ 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 fracture123 Below is a tachometer program that was patched together... Using a hall effect for the sensor. For some odd reason when the calculation is done for interrupts per second something goes wrong... When set at 30*1000 I get what seems to be a good RPM number... But when changed to 60*1000 the RPM jumps ...
By: fracture123

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Tue, 2 Feb 2016 12:54:56 PST
Can I use an Arduino to program an AT89S52 using ISP? http://www.instructables.com/answers/Can-I-use-an-Arduino-to-program-an-AT89S52-using-I/ 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 robodude95 Since the AT89S52 controller is ISP programmable is it possible to use an Arduino UNO as a programmer to upload the hex file to the 8952 ? I've tried various programmer softwares such as progisp, 8051 loader and ISP Prog v1.4 but the Arduino doesn't show up as a programmer on any of these. I've upl...
By: robodude95

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Tue, 2 Feb 2016 08:51:49 PST
Arduino GPS Tracker Help? http://www.instructables.com/answers/Arduino-GPS-Tracker-Help/ 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 RedCthulu Hey guys, I'm using a arduino uno r3, an adafruit ultimate gps shield, and a 16gb SD card. I have the Adafruit GPS Library and the "friendlier" SD library which is in the details for the shield online. Whenever I try to use any programs on the arduino and shield at all, it says: Ultimate GPSlogger S...
By: RedCthulu

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Mon, 1 Feb 2016 13:52:25 PST
AC Power Phase Control? http://www.instructables.com/answers/AC-Power-Phase-Control/ 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 KaroonjharN Hello, Can we use AC phase power control Solid State Relay to control the speed of single phase Induction motor, Using PWM as input to the Relay and the output of relay connected to Induction motor, The motor runs at 220v AC,50Hz,55Watt.
By: KaroonjharN

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Mon, 1 Feb 2016 10:03:50 PST
How can I let Arduino GSM shield respond to specific numbers? http://www.instructables.com/answers/How-to-let-Arduino-GSM-shield-respond-to-specific-/ 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 Mechatron147 I am working on a project where i send 1 to my GSM Shield to switch on the LED connected to pin 13 and off by sending 0, but i would like to modify the code in order for the GSM Shield to respond only to the number specified. Here is my code, in my case I used an example phone number ...  ********...
By: Mechatron147

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Sun, 31 Jan 2016 04:02:42 PST
Need help for project with Arduino http://www.instructables.com/answers/Need-help-for-project-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 mkeranov So I've to make a multi-functional garbage container, which would be solar powered, and it must have an arduino . The idea is that the container will have a servo controlled cap, which will be controlled by the arduino . The trigger for that cap should be a motion sensor. I'm a noob with the arduino...
By: mkeranov

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Sun, 24 Jan 2016 03:22:49 PST
Transition between two Steppers with independently assigned cues http://www.instructables.com/answers/Transition-between-two-Steppers-with-independently/ 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 toshi182 Hello. I am going to use two step motors, two easy-drivers, one arduino uno. Each step motors have gear to rotate, front and back. First, I'd like to assign multiple rotation cues for each steppers. such as, int step1cue1 = 329 int step1cue2 = 582 int step1cue3 = 1038 int step1 cue4 = 1790 ... in...
By: toshi182

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Tue, 19 Jan 2016 23:46:56 PST
Play with IKEA DIODER and Arduino http://www.instructables.com/answers/Play-with-IKEA-DIODER-and-Arduino/ http://cdn.instructables.com/FLZ/HEA1/IJKEPU10/FLZHEA1IJKEPU10.SQUARE2.jpg http://cdn.instructables.com/FLZ/HEA1/IJKEPU10/FLZHEA1IJKEPU10.SQUARE.jpg http://cdn.instructables.com/FLZ/HEA1/IJKEPU10/FLZHEA1IJKEPU10.SMALL.jpg ArthurB24 Hi everybody ! I have an Ikea DIODER that I want to drive with my arduino UNO. I'm quite noob with electronics and i'm looking for some help ;) When I opened one of the for lamp, I saw 4 spots marked R, G, B and M (or W?). If I test voltage between the M spot and another one, I can read "14V". So...
By: ArthurB24

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Tue, 19 Jan 2016 07:10:28 PST