Questions tagged [shields]

Shields are attachments that "snap" onto the Arduino board adding functionality. They are usually the same shape as an Uno/Leonardo/Duemilanove. Some examples are: the Ethernet (includes SD port) shield, motor shields, and sensor shields.

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How to read differential TTL signal from encoder using Arduino?

I am using Arduino UNO/ MEGA to read the incremental encoder pulses (Baumer encoder EIL580). Currently, I am using it in single-ended mode (reading A,B and Z outputs) as I am not sure how to read the ...
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441 views

Use Arduino Yun Shield as ISP for bootloaded ATMega328-PU

My question is how do I replace the Aarduino Uuno board in this circuit: ...With an Arduino Yun shield? I can setup the hardware - ICSP configuration is easy enough - but how do I go about using the ...
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291 views

Attempt stacking 'CAN-BUS' and 'USB Host' Shields on Mega 2560

I've run into a case of 'In theory it works, but in reality'.... I'm using the CAN-BUS Shield V1.2 from Seeed studio. Many things are written in broken english, so I'm starting to wonder if I can ...
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How do I program my Arduino Yun Shield when I keep getting this AVRDUDE error message?

The error message is: avrdude: AVR device initialized and ready to accept instructions avrdude: Device signature = 0x1e950f avrdude: Expected signature for ATmega32U4 is 1E 95 87 Double check ...
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how to get an unofficial WiFi Shield to work?

I just bought these two WiFi Shields -> http://www.ebay.de/itm/262525969091?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT As they arrived I put one of them onto my Arduino Uno R3 and ...
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How to attach Arduino MKR1000 to a shield meant for Arduino UNO?

I have an Arduino MKR1000 and need to interface it to an Adafruit Music Maker shield, which has pinouts for an Arduino UNO. Maybe I'll have to attach female headers, and then jumper pins over. Which ...
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947 views

How to correctly serve a webpage from an SD card

It's been days that I'm trying to figure it out how to edit this perfectly working code in order to load load a webpage from the sd card. #include <SPI.h> #include <Ethernet2.h> byte mac[]...
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Are all the pins on Arduino shields available for use?

Basically, if I put a shield on my Arduino (mine is Uno, but I'm asking generally), can I freely use all the pins that are there on the shield? I have an Ethernet shield and almost all of the pins ...
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Using VMA-02 / KA-02 Sound Shield to get line-in input on arduino

I bought this VMA-02 audio shield: http://www.velleman.co.uk/contents/en-uk/p623_vma02.html I want it to get the data from line-in to line-out but with reading it in my arduino scetch first (e.g. ...
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Is Arduino WiFi101 library fully compatible with Arduino MKR1000 with WiFi HW?

Will all the classes in this library work with the MKR1000 with wifi hardware? The guide mentions "wifi shield". So, does the library work exactly the same with the Arduino MKR100 (with the onboard ...
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Can't connect to my Arduino via W5100 Ethernet shield

I recently bought a W5100 Ethernet shield and I'm trying to run this simple example, which is a little improvement of the basic WebServer sketch provided by Arduino.cc #include <SPI.h> #include ...
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Controlling 5 DC motors with Arduino

I am looking to purchase the correct hardware to be able to control 5 DC Motors from an Arduino (UNO preferred, MEGA if necessary). The Specs of the Motors are as follows: 12 V nominal, 3 → 12 V dc, ...
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Design considerations for creating an Arduino 'shield' shield to limit EMI

I am building a shield that contains an AC power supply and relay for an Arduino-like board. The problem I am having is that the relay is quite noisy with respect to EMI, and I can see a few jitters ...
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Should I buy a retired Arduino?

I am a beginner who would like to buy an Arduino Yún (58 dollars). It is retired so will I have any problem? Else I can buy an Arduino Uno and an Arduino Yún Shield. But in this case I don't ...
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Is Adafruit Arduino Feather M0 WiFi compatible with Adafruit Music Maker shield?

I want Arduino to receive MP3 by WiFi (from iPhone), and then send to Music Maker codec and amplifier. I want to use Arduino IDE and library software from Adafruit for the Music Maker, so I need an ...
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Can MP3 be sent to SPI of Adafruit Music Maker Arduino shield instead of from its SD card?

Can uncompressed MP3 audio data be sent from Arduino board, by SPI, to Adafruit Music Maker shield instead of from the SD card on the Music Maker? Instead of using SD card on Music Maker board, I ...
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How to power Arduino and shields with 4 rechargeable AA batteries?

To start, I am a software guy, and I really want to ensure I not going to destroy any components. I previously looked at power through a USB power bank, but the issue with these is that they turn ...
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179 views

Uno R3's a4 and a5 not working after installing itead SD Shield 3.0

I'm working on a data logging project and would like to use all six analog inputs on my Arduino Uno R3. I've been able to get everything working, including writing to the SD card. However, with the ...
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587 views

Software Serial and multiple shields for Arduino Uno

I have a SIM900 GPRS/GSM Shield (details here) and I am looking to stack a GPS shield (such as this one here). My question is: I believe that they both require software serial, also it says to use ...
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186 views

Bluetooth radio control of a motor

I need to purchase the correct bluetooth module for interfacing some simple functionality between an arduino and a motor. The tricky bit is getting the bluetooth radio to play nice with android and ...
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645 views

Wifly Library that works with RN171

Does anyone know of a library that works with the WiFly-RN171? I've tried all that I could find (WiFly, WiFlyHQ and WiFlySerial) but none of them work. WiFly and WiFlySerial both hang on WiFly.begin()...
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Is Sparkfun's MicroView OLED Arduino module a shield?

I'm getting confused by the Arduino terminologies: shield, breakout, module. Is this MicroView an Arduino compatible shield that will plug into Arduino's or Adafruit's Uno?
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Who makes this cool Arduino display shield, and what model is it?

Anyone recognize Mfgr/model of this display that reads: "Wireless Internet Of Things". The Arduino board is a WIOT. I've been looking and looking for a source for Arduino display like this, but ...
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is the Arduino shield pinout a standard, so that any Arduino shield can work with any Arduino board

I'm new to Arduino and dying to delve in. There are lots of Arduino base board vendors, and lots of shield vendors. In general, should I be able to plug any shield into any Arduino board, even with ...
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XBee WiFi: Does it work on the Wireless Proto Shield?

I have been following this tutorial by sparkfun https://learn.sparkfun.com/tutorials/internet-datalogging-with-arduino-and-xbee-wifi and I have XBee Wifi but not the Shield of SparkFun. I have the ...
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55 views

Arduino for Weather and Air Monitoring: Casing and Power Source

I am intended to use Arduino to measure Temperature and Humidity (DTH11) and Gases Grove Sensor (Multichannel). Due to weather conditions in UK, I would to get your advice how to shield all of them in ...
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Arduino 4G LTE Shield

Is there by any chance a shield that can take an 4G LTE compatible SIM card activated by a carrier and establish a connection?
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355 views

Arduino Data to Cloud without shield []

I am performing basic analogue read like temperature and LDR, reading the data serially, but I would like to deploy it online to cloud platforms like (Plotly, Xively, ThingSpeak, or DataSparkFun). Is ...
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What is the wiring of arduino motor shield to Nano?

I have the basic version of the stepper motor driver and a Nano, I see the pins are set to plug directly in to a Uno or similar Arduino, but according to the documentation it just needs most of the ...
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288 views

Peristaltic Pump Project

I am designing a peristaltic pump and need some advice for parts. I am using an Arduino Leonardo and also have an UNO and am planning on adding a temperature and pH sensor as well. I have two ...
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3answers
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Sending a text message through a arduino wifi shield

I am using an Arduino uno and need to send text messages and email messages from the device based on certain events occurring. I have the logic figured out of when to send the text message or email ...
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1answer
550 views

Trouble using lcd.readButtons() in RGBLCDShield library

I am trying to create a state machine that loops in whatever state it's in until a button is pressed. I am using the Adafruit_RGBLCDShield library along with the LCD shield and 16x2 display. For ...
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2answers
403 views

Arduino Uno (or Teensy 3.2) programmatically powering an external USB connection

I'd like to create a process to programmatically turn-on/activate a separate USB device connected to my computer...Thinking another way to state the problem, I want the Arduino to complete the USB ...
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482 views

I am trying to connect the PS3 controller with the Arduino Uno using a USB Host Shield. Getting stuck at 'PS3 Bluetooth Library Started' . Need Help

I did the research for similar issues and found that I had to enable debug. I did the following attempts: Changes to settings.h - enabled debugging by change from 0 to 1 Getting the following ...
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Are there any advantages to Wifi shields as opposed to a Yun?

I have an Arduino Uno and I have a remote sensing project for which I need Wifi connectivity. After doing research, I've found that I have 2 options: Buy a WiFi shield for my existing Uno Buy an ...
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What is the necessity of “Prototyping Shield” for an arduino UNO R3? [duplicate]

I just want to learn arduino and make some small projects.But in beginner starter kit there's a part named Prototyping Shield .Is it necessary or will it help me?
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What is the necessity of "Prototyping Shield" for an arduino UNO R3?

I just want to learn Arduino and make some small projects. But in the beginner starter kit there's a part named Prototyping Shield. Is it necessary or will it help me?
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Arduino GPRS (GSM) shield (SIM900) no long pins

I have bought a SIM900 shield for an ordinary Arduino Uno board. The problem is that it doesn't have long pins on the bottom side, making it impossible to click on mu Arduino Uno. The shield I have is ...
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297 views

What happens if I try to draw power from the VIN port while under USB power on an Uno?

I would like to have a shield permanently attached that use the VIN (not 5v) for it's power - the problem comes in when I want to program the arduino (via the USB port), do I need to also have the ...
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How to add SD card to store data [closed]

I'm new to Arduino and I was wondering how to add an SD card to Arduino so it can store more code and also store files such as text files. Is there such a shield, and if so, any suggestions?
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Arduino Bluetooth Shield

A friend of mine bought two of these Bluetooth shields here. I have been trying to get the two Arduinos connected to each other through Bluetooth. I could not get it working myself but I found some ...
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1answer
2k views

How to save data to SD card using Memory Shield Module SPI

I am trying to save some data to the SD card using the memory shield module that I read from HC-SR04 Ultrasonic Module. The data that gets printed indicates error. This is how my SD card module is ...
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588 views

Can I connect an Arduino GSM Shield directly to a PC?

Is it possible to communicate with and use the GSM shield directly from the computer, without using an arduino board?
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335 views

Shield board with holes, do I need to solder?

I have a motor shield. I can put it on top of my arduino Mega and works perfect. However, since the shield plugs in on top of the arduino board, I don't have access to 5V and GND from Arduino Mega. ...
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How to send data from Arduino Uno with SIM900 GPRS to Firebase

I'm creating a real-time vehicle tracking Android application using the Arduino Uno and SIM900 GPS. I want to use Firebase as the database for the coordinates which will hold just the longitude and ...
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1answer
577 views

Sensor/servo shield for Arduino Mega

Is there Arduino shields with blocks of 4 pins that you can plug your servos into and use the fourth pin as signal pin to the Arduino Mega board?
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257 views

What Arduino board with WiFi should I choose

I want to implement an Arduino module with some sensors and send the info through WiFi to a server. I'm looking for the best board or component combination to make this. What is the best board or ...
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3answers
198 views

Arduino GSM Shields stacking

I'm researching options for a project in which I need to send/receive SMS messages to/from multiple users of different service providers. Hoping to reduce costs, I'm thinking of forwarding the ...
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1answer
2k views

Sending data to a webserver with GPRS/GPS Shield (U-blox Sara G-350)

I am working on a project for tracking cars. I am using an Arduino UNO to receive the position from GPS/GPRS shield. I am OK on obtaining the coordinates position. Now I need to send the position to a ...
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137 views

Driver shield providing 24+ pins at 100mA (for Mega 2560)

Do any shields (or similar boards) exist to let the Mega 2560 (or Due) output a full 100mA per pin on at least 24 pins, in a digital on/off fashion? I know there is a motor shield, but it looks to ...

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