Instructables: question - arduino http://www.instructables.com Wed, 2 Sep 2015 20:10:43 PDT BLOX v1.01 Is this the right way to check for object detection with a IR sensor? http://www.instructables.com/answers/Is-this-the-right-way-to-check-for-object-detectio/ 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 Zaineen Sensor: Link Hi, i'm using the sensor to test for detection. (eg when my hand is on top of the sensor, it will send a signal to a buzzer). Not sure if this is the right way for detection. Any improvements/tips are welcome. int sensorPin = 1; int lastDist = 1000; //set to a high amount to prevent f...
By: Zaineen

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Wed, 2 Sep 2015 17:46:06 PDT
Is there a reason why most servos in arduino based projects use NiMH batteries? http://www.instructables.com/answers/Is-there-a-reason-why-most-servos-in-arduino-based/ 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 HassanN2 Most circuit designs on instructables seem to use NiMH batteries to power up servos (i've been looking at robotic hand projects). I don't see why we can't use a 6 volt power supply to directly power up the servos (assuming weight and portability is not an issue).  Is there any other reason to use t...
By: HassanN2

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Sun, 30 Aug 2015 04:48:26 PDT
I cant seem to find my board on serial port on arduino? http://www.instructables.com/answers/I-cant-seem-to-find-my-board-on-serial-port-on-ard/ 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 JennyL10 I am using an arduino mega2560, earlier this year I have programmed the board to blink and it worked, but then after I start  trying more sketches now, the board no longer shows on the serial port, both the power led and pin 13 led work(i programmed it before and it works) now I've tried it on sever...
By: JennyL10

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Tue, 25 Aug 2015 20:05:43 PDT
how to initialize servo speed during startup using arduino? http://www.instructables.com/answers/how-to-initialize-servo-speed-during-startup-using/ 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 3DP1 How do i initialize the speed of a servo during startup when using an arduino. I have noticed that when I attached my usb, my servo jumps to its default position at a very high rate of speed. How do I prevent this from happening?
By: 3DP1

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Mon, 24 Aug 2015 19:17:34 PDT
How to upload to another arduino without removing the atmel chip? http://www.instructables.com/answers/How-to-upload-to-another-arduino-without-removing-/ 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 DIY_lover123 i bought a arduino uno  and i got the smd edition i want to upload sketches to my arduino pro mini with the smd version any luck??
By: DIY_lover123

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Fri, 21 Aug 2015 04:30:29 PDT
How can I make a 3.3v Solar power supply that uses an 18650 battery? http://www.instructables.com/answers/How-can-I-make-a-33v-Solar-power-supply-that-uses-/ 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 funinalaska I have a project which I would like to make self sustaining solar powered that runs 24hrs a day. the electronics themselves use between 60ma and 220ma of power. the 220ma is for about 1 second every 2 minutes when the device transmits it's sensor's data, the rest of the time it is 60ma to 80ma. I wa...
By: funinalaska

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Sun, 16 Aug 2015 15:13:32 PDT
Transistor get's really hot and doesn't seem to work. http://www.instructables.com/answers/Transistor-gets-really-hot-and-doesnt-seem-to-work/ http://cdn.instructables.com/FQV/QUXB/ID4CSROY/FQVQUXBID4CSROY.SQUARE2.jpg http://cdn.instructables.com/FQV/QUXB/ID4CSROY/FQVQUXBID4CSROY.SQUARE.jpg http://cdn.instructables.com/FQV/QUXB/ID4CSROY/FQVQUXBID4CSROY.SMALL.jpg Zamperweenie I'm trying to turn on and off a 12V dc motor/pump (it's one of the motors that squirts the water on your windshield to clean it). Just hooked directly up to the power supply it draws about 1.5A. When I turn on the switch, my transistor gets super hot, to the point I can smell it burning, and the m...
By: Zamperweenie

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Sun, 9 Aug 2015 15:22:19 PDT
Concept of the system for protection against hail tracking PV power plants http://www.instructables.com/answers/Concept-of-the-system-for-protection-against-hail-/ 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 MarioM28 Hello, I have a big request for you. Do you have something of the literature on the "Concept of the system for protection against hail tracking PV power plants" (desirable and protection from the snow; and wind). The respective literature I needed so that I could write a seminar and thus lay the cou...
By: MarioM28

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Wed, 5 Aug 2015 12:06:18 PDT
Arduino voice control without using pc or labtop? http://www.instructables.com/answers/Arduino-voice-control-without-using-pc-or-labtop/ 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 Arsalan Ahmadi Hello,  im sorry but the subject said all, is there a way to use arudino with voice to controll led or something without using a pc? thanks
By: Arsalan Ahmadi

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Wed, 5 Aug 2015 06:03:19 PDT
how do I use TV out library with another set of code as to show specific video on a Composite cable? http://www.instructables.com/answers/how-do-I-use-TV-out-library-with-another-set-of-co/ http://cdn.instructables.com/FGP/YETX/ICX7K856/FGPYETXICX7K856.SQUARE2.jpg http://cdn.instructables.com/FGP/YETX/ICX7K856/FGPYETXICX7K856.SQUARE.jpg http://cdn.instructables.com/FGP/YETX/ICX7K856/FGPYETXICX7K856.SMALL.jpg nerd7473 I need to be able to run my code but have it run with Commodore 64 BASIC. Hear me out here, I need the following to be uploaded to my arduino Uno at the same time. Basically two tabs of code and a library at once. https://code.google.com/p/arduino-tvout/downloads/detail?name=TVoutBeta1.zip&can=...
By: nerd7473

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Tue, 4 Aug 2015 10:41:57 PDT
Reading rostopic value to arduino serial monitor? http://www.instructables.com/answers/Reading-rostopic-value-to-arduino-serial-monitor/ 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 rosdino Hello everyone, I am new to ros, I am able to print sensor values using rostopic. I'd like to read rostopic value to arduino and print on serial monitor for further processing. How can I do it? Thanks in advance.
By: rosdino

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Tue, 4 Aug 2015 07:18:00 PDT
looking for ESP8266 change code with lib files? http://www.instructables.com/answers/looking-for-ESP8266-change-code-with-lib-files/ 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 Arsalan Ahmadi Hello, i use a a tut : http://allaboutee.com/2015/01/20/esp8266-android-application-for-arduino-pin-control/ now i want to use ESP8266 library for Arduino : https://github.com/itead/ITEADLIB_Arduino_WeeESP8266 how can i change the code using the library files instead of using sendCommand command? s...
By: Arsalan Ahmadi

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Sat, 1 Aug 2015 12:11:25 PDT
Arduino LCD 1602 has power but can't get pot to work ? http://www.instructables.com/answers/Arduino-LCD-1602-has-power-but-cant-get-pot-to-wor/ 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 denleep1
By: denleep1

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Mon, 27 Jul 2015 06:06:46 PDT
Help with programming an arduino hexapod with 18 dof? http://www.instructables.com/answers/Help-with-programming-an-arduino-hexapod-with-18-d/ 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 have just finished designing and building a hexapod with 18 DOF..  powered by arduino nano and a 32 channel servo controller. i need help with code.   So far, i have'nt even stroked a keyboard to start programming. truth is, i dnt know where to start, im new at  this. If someone is willing to help...
By: icey.hood

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Mon, 27 Jul 2015 03:11:09 PDT
Help with an arduino 16x2 LCD sketch? http://www.instructables.com/answers/Help-with-an-arduino-16x2-LCD-sketch/ 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 1101Snehil hey all. Im new to arduino and have bought a 16x2 lcd to learn more about the ide. I was able to write the simple text. Then i also scrolled it. But now i want that the upper line should be static and the lower line should move. How can i achieve this effect. Also when scrolling a piece of sentence ...
By: 1101Snehil

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Sun, 26 Jul 2015 20:49:06 PDT
arduino http://www.instructables.com/answers/arduino-5116/ 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 maitrteya hello sir, i am stuck with my arduino uno. in the manage driver list i cant see arduino uno's name so what to do please tell
By: maitrteya

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Fri, 24 Jul 2015 10:31:43 PDT
How to upload a sketch to a barebones arduino? http://www.instructables.com/answers/How-to-upload-a-sketch-to-a-barebones-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 Snehil1101 Hey friends! After seeing a few instructables on making a barebones arduino i decided to make one. But there is a problem. I cannot find and FTDI serial to USB cable around. Also i read that a duemilanove can be used to upload the sketch. I have an UNO. Can it be used to upload sketch without taking...
By: Snehil1101

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Fri, 24 Jul 2015 09:39:28 PDT
Is there a way of connecting a pot or buttons to control the led lol matrix display? http://www.instructables.com/answers/Is-there-a-way-of-connecting-a-pot-or-buttons-to-c/ 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 kwynne I would like to control the matrix shield with buttons and/or a potentiometer if that is possible thanks.
By: kwynne

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Wed, 22 Jul 2015 18:05:45 PDT
i have posted two instructable none getting featured ? http://www.instructables.com/answers/i-have-posted-two-instructable-none-getting-featur/ 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 appytechie
By: appytechie

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Wed, 22 Jul 2015 09:34:39 PDT
How can i adjust the brightness on the arduino lol 9x14 matrix sheild? http://www.instructables.com/answers/How-can-i-adjust-the-brightness-on-the-arduino-lol/ 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 kwynne The other day I recently bought the lol white smd matrix shield for Arduino it to me minutes to set up, and then I wanted to adjust the brightness as it was too bright would be good to set the brighness with a pot or buttons so I turn the pot and it adjusts the brightness or press a button to change...
By: kwynne

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Tue, 21 Jul 2015 17:26:00 PDT
issue installing ch341 usb-serial driver for Arduino nano cheap clones http://www.instructables.com/answers/issue-installing-ch341-usb-serial-driver-for-Ardui/ 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 pufi123 There are very cheap Arduino nano chinese clones there. The PROBLEM, they use CH341 chips not the Arduino standard FDDI ones and you need to install a driver: 1. no issue should be simple IF the manufacturer of the chips www.wch.cn  would provide a driver, they did      (GOOD PEOPLE) 2. and they w...
By: pufi123

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Fri, 17 Jul 2015 15:08:31 PDT
Arduino + L298N controlling bipolar stepper with pot speed control and speed on lcd (also on lcd thermistor temp in C)? http://www.instructables.com/answers/Arduino-L298N-controlling-bipolar-stepper-with-pot/ 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 bonze77 Lcd 16 x 2 Motor http://www.banggood.com/JKM-Nema-17-42mm-Hybrid-Stepper-Motor-70oz-in-48mm-2_5A-For-CNC-p-942109.html 10K potentiometer L298N is a module Arduino controlled How can i control the motor and lcd?
By: bonze77

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Fri, 17 Jul 2015 13:43:42 PDT
How to upload a sketch on an Atmega 8 IC? http://www.instructables.com/answers/How-to-upload-a-sketch-on-an-Atmega-8-IC/ 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 Snehil1101 Hey frnds! we r working on a simple persistence of vision project. for that i'v bought a cheap Atmega 8 From here: Robomart Atmega 8 Project Board With Controller V 1.0 I think it have arduino bootloader by before but i dont know how to upload a sketch to it. I have an arduino uno by before. Can it...
By: Snehil1101

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Wed, 15 Jul 2015 20:30:00 PDT
attiny85 to control two different jobs through a switch? http://www.instructables.com/answers/attiny85-to-control-two-different-jobs-through-a-s/ 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 What i really want is to piece up 2 sketches together in attiny85 programming,the result is to enable it to be controlled through a switch.the 2 sketched are pretty long.I don't know how bcz i am a newbie in programming.at first i thought of 'Case,break'syntax,but later found it may not suitable. T...
By: gada888

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Wed, 15 Jul 2015 02:41:03 PDT
problem with ethernet udp http://www.instructables.com/answers/problem-with-ethernet-udp/ 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 SoufianeG hi im try to set up a simple client server model that allows me to send strings between Python running on PC and the arduino over Ethernet. code of the server side software is: #include //Load Ethernet Library #include //Load the Udp Library #include //Load SPI Library float tempC; //Declare v...
By: SoufianeG

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Tue, 14 Jul 2015 10:26:24 PDT
Need help to creat a 8 bit parallel input serial output circuit.. http://www.instructables.com/answers/Need-help-to-creat-a-8-bit-parallel-input-serial-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 pijusdhara Hey guise, I am in a robotics project. and in the project i am using arduino. I want to use serial comunication in arduino. I am not a electronics expert. so, i need help to make a circuit to convert 8 bit parallel data to serial data. I want to make a instruction based key board with the circuit. ...
By: pijusdhara

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Mon, 13 Jul 2015 06:39:23 PDT
Can someone make a breadboard layout for this schematic? http://www.instructables.com/answers/Can-someone-make-a-breadboard-layout-for-this-sche/ http://cdn.instructables.com/FG3/9IS8/IBTEUJCP/FG39IS8IBTEUJCP.SQUARE2.jpg http://cdn.instructables.com/FG3/9IS8/IBTEUJCP/FG39IS8IBTEUJCP.SQUARE.jpg http://cdn.instructables.com/FG3/9IS8/IBTEUJCP/FG39IS8IBTEUJCP.SMALL.jpg Rahul27 I already have a pulse detector module.. simple with LED and photodector.. It has 3 pins: VCC, GND and one ouput(from photodetector) as signal.. I want to amplify the signal using op amp LM324 i have the following resistors available: 10Ω、22Ω、47Ω、100Ω、150Ω、200Ω、220Ω、270Ω、330Ω、 470Ω、510Ω、680Ω、1KΩ、2K...
By: Rahul27

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Wed, 8 Jul 2015 18:06:26 PDT
Best Motors for underwater thrusters? http://www.instructables.com/answers/Best-Motors-for-underwater-thrusters/ 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 athuv I plan to do a Arduino based ROV for that i need thrusters i searched for thrusters but can't find for cheap, So plan to do thrusters please suggest me best motors for thrusters?
By: athuv

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Sun, 5 Jul 2015 07:00:47 PDT
Can someone make an arduino program so when you turn the TV on it posts on Twitter Using an Ethernet Shield? http://www.instructables.com/answers/Can-someone-make-an-arduino-program-so-when-you-tu/ 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 Conor M Can someone make an arduino program so when you turn the TV on it posts on Twitter using an Ethernet shield? Thanks
By: Conor M

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Thu, 2 Jul 2015 10:01:19 PDT
Where to buy thrusters for ROV/RC Submarine? http://www.instructables.com/answers/Where-to-buy-thrusters-for-ROVRC-Submarine/ 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 athuv I' am doing a arduino based ROV so i need thrusters Any links to buy online thrusters for ROV/RC Submarine?
By: athuv

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Wed, 1 Jul 2015 01:41:36 PDT
How do I create a usb button using a teensy 2.0? http://www.instructables.com/answers/How-do-I-create-a-usb-button-using-a-teensy-20/ 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 inalak I'm completely new to using anything like arduino and teensy so I feel like I'm a bit over my head.  I need a simple momentary button to be hooked up to a desktop via usb to be able to trigger my photobooth to start.  I was doing this as a wedding gift and wasn't really thinking about how hard it wo...
By: inalak

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Mon, 29 Jun 2015 01:41:15 PDT
Arduino Relay? http://www.instructables.com/answers/Arduino-Relay/ 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 maboy I'm working on a UPS of sorts for an arduino project of mine. Basically if the pwoer goes out I want the arduino to switch to a 9v battery backup. I was wondering what sort of relay I should use and if a transformer would be needed. Ideally I'd like to use a simple power supply with a transformer bu...
By: maboy

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Sun, 28 Jun 2015 13:48:48 PDT
Help making a USBasp with atmega 328P? http://www.instructables.com/answers/Help-making-a-USBasp-with-atmega-328P/ http://cdn.instructables.com/FZR/4HSV/IBEWXE0W/FZR4HSVIBEWXE0W.SQUARE2.jpg http://cdn.instructables.com/FZR/4HSV/IBEWXE0W/FZR4HSVIBEWXE0W.SQUARE.jpg http://cdn.instructables.com/FZR/4HSV/IBEWXE0W/FZR4HSVIBEWXE0W.SMALL.jpg didgitalpunk I recently got hold of a couple spare arduinos wich all had their FTDI chip burned out (not on purpouse of course) by students. The Atmega 328p chips still work though, and I was wondering if it was possible to make a USBasp with such a chip (the only schematic I saw used an atmega 8 or atmega 88 , ...
By: didgitalpunk

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Sat, 27 Jun 2015 14:39:39 PDT
How to get ROV or RC Submarine to surface? http://www.instructables.com/answers/How-to-get-ROV-or-RC-Submarine-to-surface/ 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 athuv 1) I plan to do a ROV so i gathered some information, But i need more help how to get the ROV from deep water to surface? 2) I have to take pictures from underwater and i have to do some image processing through Matlab so suggest me some best underwater cameras? 3) Please explain me about UROV thr...
By: athuv

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Fri, 26 Jun 2015 07:19:09 PDT
how to use 6V 1.3A battery with my arduino mega? http://www.instructables.com/answers/how-to-use-6V-13A-battery-with-my-arduino-mega/ 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 TanvirM1 i am making a line follower robot.i am using my 6V battery for my motors which can provide 1.3 A current...i have to use another battery which can provide less current for my arduino.some people told me that if I connect my arduino with that 6V 1.3A battery it will damage my arduino.is there any way...
By: TanvirM1

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Thu, 25 Jun 2015 00:12:14 PDT
when using for loop with keypad to countdown what i pressed it types 53 instead of typing 9 and so on ? http://www.instructables.com/answers/when-using-for-loop-with-keypad-to-countdown-what-/ http://cdn.instructables.com/FLU/OP9W/IB8I77O2/FLUOP9WIB8I77O2.SQUARE2.jpg http://cdn.instructables.com/FLU/OP9W/IB8I77O2/FLUOP9WIB8I77O2.SQUARE.jpg http://cdn.instructables.com/FLU/OP9W/IB8I77O2/FLUOP9WIB8I77O2.SMALL.jpg AbdallahS2                       #include const byte ROWS = 4; const byte COLS = 3; char keys[ROWS][COLS] = {   {'1','2','3'},   {'4','5','6'},   {'7','8','9'},   {'#','0','*'} }; byte rowPins[ROWS] = {31,33,35,37}; byte colPins[COLS] = {39,41,43}; Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ...
By: AbdallahS2

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Tue, 23 Jun 2015 06:07:59 PDT
when typing numbers from keypad ex: (1) it types (50) or something like this , this is a traffic project ? http://www.instructables.com/answers/when-typing-numbers-from-keypad-ex-1-it-types-50-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 AbdallahS2               i have a traffic project which contains led for cars and led for people  first i have to type numbers of seconds for each led  (red,yellow,green)    but when typing 5 from keypad it types 2 digits as 52   please if you could help me                                                      ...
By: AbdallahS2

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Mon, 22 Jun 2015 07:05:18 PDT
my arduino is not recognized by system? http://www.instructables.com/answers/my-arduino-is-not-recognized-by-system/ 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 UsmanR1 my arduino UNO was working properly...but suddenly it is not recognzed by laptop...when i connect it to laptop only green power led on but L,Tx,Rx remains off....when i connect it laptop does not respond....i am using Windows7
By: UsmanR1

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Sat, 20 Jun 2015 12:28:16 PDT
Need arduino help with an idea i have but have no idea where to start? http://www.instructables.com/answers/Need-arduino-help-with-an-idea-i-have-but-have-no-/ 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 daleevr1 I'm trying to build a box mounted on a vehicle that will sense an impact and send a email or text message when the impact occurs over wifi and/or cellular. wifi is preferred and cellular is a last choice but both available if possible. I'm new to this so I kinda don't know where to start much less c...
By: daleevr1

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Fri, 19 Jun 2015 19:21:04 PDT
How to make a push button make double clicks and a single click like on a mouse? http://www.instructables.com/answers/How-to-make-a-push-button-make-double-clicks-and-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 PrabhavM I am making a mouse using push buttons. I want to record double clicks and single clicks separately but am not bein able to. Either it shows a single click or a double click. Could someone help me with an example code or a tutorial somewhere? Greatly appreciated. This is my code so far.. int ck = 1...
By: PrabhavM

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Tue, 16 Jun 2015 11:51:15 PDT
Reed switch wind speedmeter? http://www.instructables.com/answers/Reed-switch-wind-speedmeter/ 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 PowerBot Hello, I need some help with counting the pulses  on digital pin with reed switch and arduino for speed meter and also calculation for the speed in km/h.
By: PowerBot

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Mon, 15 Jun 2015 05:56:11 PDT
How do I power 4 different 5v components. http://www.instructables.com/answers/How-do-I-power-4-different-5v-components/ 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 Casual_Engi Hi.  First time poster.  I love this site. I am trying to figure out how to send power from a outlet to four TowerPro servos.  Do I need to buy a power supply?  How do amps come into play?  I believe everything is 5 volts.
By: Casual_Engi

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Thu, 11 Jun 2015 19:12:15 PDT
How to properly setup an undefined numbers of piezos for drumming ? http://www.instructables.com/answers/How-to-properly-setup-an-undefined-numbers-of-piez/ 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 AnthonyJ7 Hello everybody ! I'm currently into a really cool project which gives me quite hard times. To begin, I'm a big noob in electronics, but I'm decent in programming. So i'm able to understand, learn or correct myself easily when it's about code, but I'm really in the dark for everything concerning ele...
By: AnthonyJ7

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Thu, 11 Jun 2015 18:41:12 PDT
Arduino code: download problem http://www.instructables.com/answers/Arduino-code-download-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 jocman Hi all. I don't know if it is a problem just to me, but in 90%  of times I try to download some arduino sketch related to some instructable (file.ino) the link will open an html page with all the code written continuosly, with no line breaks... every time I have to pass a lot of time writing back th...
By: jocman

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Thu, 11 Jun 2015 07:12:11 PDT
Arduino xbee coding using 2 button as transmitter and 10 led as receiver? http://www.instructables.com/answers/Arduino-xbee-coding-using-2-button-as-transmitter-/ 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 alvinisnothingtome  For the turn signal code, there is a receiver and transmitter  For the transmitter code, I want to set 2 button  When I trigger left signal , Left LEDs will turn on and press again will turn off  When I trigger right signal , right LEDs will turn on and press again will turn off  When press ...
By: alvinisnothingtome

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Wed, 3 Jun 2015 10:01:43 PDT
How to get data from a load sensor through bluetooth module on an Android App/Arduino? http://www.instructables.com/answers/How-to-get-data-from-a-load-sensor-through-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 AyoS1 I am creating a mobile android application which gets data from a load sensor connected to HC-06 Bluetooth module and sends the data to a mobile application. The mobile app has two activities one for listing the bluetooth devices available and the other is the main activity to get data from the load...
By: AyoS1

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Mon, 1 Jun 2015 07:57:34 PDT
CH340G and Standalone UNO R3 Got ERROR "avrdude.exe: stk500_getsync(): not in sync: resp=0x00?" http://www.instructables.com/answers/CH340G-and-Standalone-UNO-R3-Got-ERROR-avrdudeexe-/ http://cdn.instructables.com/FAZ/AY94/IABO2XFY/FAZAY94IABO2XFY.SQUARE2.jpg http://cdn.instructables.com/FAZ/AY94/IABO2XFY/FAZAY94IABO2XFY.SQUARE.jpg http://cdn.instructables.com/FAZ/AY94/IABO2XFY/FAZAY94IABO2XFY.SMALL.jpg wachid_elektronik I bough the CH340G USB-TTL with 6 pin (GND, CTS, VCC, TX, RX, DTR). The CH340 driver already installed, the arduino bootloader also already burn to ATmega328P-PU. When upload the sketch using FTDI or PL2303 or ATmega16U2 is okey and no error found. But if Ia using CH340 and connecteed below pin: Ar...
By: wachid_elektronik

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Sat, 30 May 2015 18:05:59 PDT
12v double flash with Arduino? http://www.instructables.com/answers/12v-double-flash-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 Pittnuma Hi, I am in the middle of trying to figure out how to get my Arduino to power a 12V LED on a double flash for use in a model (USS Enterprise NCC 1701). The trouble I have is the double flash only has a delay of 0.7 secs so I think if I used a relay it would not be quick enough to turn on/off? The...
By: Pittnuma

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Sat, 30 May 2015 09:23:39 PDT
Arduino crash sensor single pulse? http://www.instructables.com/answers/Arduino-code-6/ 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 KentB2 I'm trying to get a crash sensor to output a single 800ms pulse when depressed and held down until it is released and repeat when depressed again, I have had this working before but cant seem to achieve it again. It either continually loops while depressed or wont output at all until it's released. ...
By: KentB2

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Wed, 27 May 2015 17:18:39 PDT
Can anyone write me code for arduino wheather station with 433mhz TX and RX? http://www.instructables.com/answers/Can-anyone-write-me-code-for-arduino-wheather-stat/ 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 PowerBot I need code for arduino wheater station, which uses sensors: LM35, BMP180, Reed switch ( wind speedmeter) and a potentiometer for wind direction. I use 433mhz TX and RX I will need and code for the RX but to use serial to read the data.  P.S. with Manchester. h Thank you !!! 
By: PowerBot

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Wed, 27 May 2015 14:35:12 PDT