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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Following on ESP8266 Board pins, how do they map on the motor shield?

Here is the answer: All pins corresponding to the G row are connected to ground. All Pins corresponding to the V row are connected to NodeMCU's 3V3 pin. D row pins tagged from 0 to 8 correspond to ...
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Connecting Arduino Wifi shield to Arduino Uno based Mcore board

I am trying to connect this mBot board to an external network, that's why I bought the arduino wifi shield. I am connecting the wifi shield to the 6pins (5V MOSI GND RST SCK MISO) of the mCore. ...
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201 views

Yun UBoot Prompt Not Showing

I have a Geeetech Iduino Yun Shield. I accidentally flashed the wrong firmware image (not the sysupgrade) to the board. I then tried using the Yun UBoot Reflash method. However, when I open the ...
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285 views

Can a motherboard be a simple circuit between arduino uno and a set of devices (ie: motors)

Reason for question: My son is working on a project to build a robot controlled by an arduino uno. This question is more about terminology than process, but since terms are very important at this ...
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208 views

Problem with Arduino Uno and SIM900 shield logical communication (rx & tx)

The logical communication(rx & tx) between the shield and Arduino Uno doesn't work. Arduino (rx & tx) supply is 0 & 5 V but this is 0 & 2.8 V. What am I to do?
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What's the difference between different Ethernet Shields?

I am working on a project with Arduino and I need an Ethernet shield. but after searching in some electronics shops I found there isn't only one but a lot. I don't know which one is better and what ...
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804 views

How can I create a power rail on my Arduino shield?

I have an Arduino that has 4 devices within an enclosure. Each of the 4 devices needs 5 V and GND. I have a shield with lots of unused pins (see photo). I'd like to "bridge" one row of the pins to ...
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How do I know if a board fits my requirements?

I'm new to Arduino and I saw on their website that there are many different kinds of boards. What are the differences, or to be more specific, how would I know which board meets my requirements? I ...
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666 views

Arduino Mega failure after first use of Mega Shield power connector

I have an XDRduino Mega clone with ATmega2560 and ATmega16U2 USB support chip. I also have a Sensor Shield (same vendor), which provides screw terminals to Vin and Ground. I connected the board with ...
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How to measure resistance of TFT Touchscreen

I'm using a TFT Touchscreen shield with my Arduino UNO, and I'm running "tftpaint" example by Adafruit. I've noticed that when initializing the Touchscreen object, a resistance value must be provided....
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No Socket Available message floods serial monitor

Serial Monitor get's flooded with "No Socket Available" message. This seems to occur even before I Try to communicate with my Hue bridge through my hub port. Does anyone see why this is occurring ...
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283 views

Wireless Shield Not being detected w/ Arduino Uno R3

Wireless Shield is not being detected by arduino, not MAC address is displaying. Not sure what to try next, there is nothing noticeably wrong with the shield at first glance. Green LED under status ...
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415 views

LEDs on Arduino WiFi Shield

I would like to know the purpose of the LEDs on top of the Arduino WiFi Shield: L9/Link/Error/Data (left in the picture). What do they indicate?
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How can I know if I can stack some shield on another shield?

Yesterday I tried to stack a motor shield on a servo motor shield already stacked on my Arduino Uno. But I realized that I have some problem when I try to use both of them. It seems like some energy ...
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5 inch TFT LCD for Arduino

I want to use a 5 inch 800x480 TFT display (touch not needed) with an Arduino (mega, uno or due). I'm thinking of buying this display: link (buydisplay.com). How can I connect this ? I have also ...
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What would be the Western / American equivalent of the Troyka Shield and modules?

I'm taking an online course on Arduino robotics, produced by the Moscow Institute of Physics and Technology. The lectures are translated into English, but all of the parts referenced are by the ...
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Parse JSON with arduino to turn on LED

Hi i'm trying to parse JSON resposne from webserver in my arduino in order to turn on and off a LED light. I'm using the wifi client repeating example to make a get request to my server: http://...
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443 views

How does the Space Replay record audio?

The Space Replay A hovering object that explores and manipulates transitional public spaces with particular acoustic properties. By constantly recording and replaying these ambient sounds, the ...
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Recording and playback sound

I'm working in an art project, is some kind of loop between contact microphones and walkie talkies. I want to create some kind of noisy feedback. I'm putting one walkie-talkie inside of a bottle, and ...
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518 views

Do all arducam need the "Arducam-F Shield"? [closed]

The information on this is so greatly lacking to the extent that no related youtube videos could be found, no internet material and the seller seems to be very important and not answer to my questions ...
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136 views

Compatibility between shields

Despite that I am new to Arduino, I am tasked to invent a serious alarm system and I chose Arduino. I study electronics, but virtually I am a software programmer and C is my area of expertise. I ...
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361 views

Problem with connecting pins on an Arduino board with an L239D shield

I have an L239D motor shield just like the Adafruit motor shield. I had a question in my mind. While making a robot, I could not connect my pins from various sensors in Arduino as the motor shield is ...
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94 views

Using chipKIT WiFi Shield with an Arduino

I'm beginning with Arduino and I have to make two of them communicate via WiFi. I'm going to implement the examples for a WiFi Client and WiFi Server in their tutorials page. The problem is I only ...
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How to connect GPS Neo-6M module to GSM Shield SIM900 V2?

I'm doing my final year project, My project is based on "Arduino Real Time Gprs/Gsm & GPS Tracker". So Now I have purchased the hardware components such as: Arduino UNO R3 GSM Shield ...
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151 views

Is an Arduino Uno made in the USA compatible with SunFounder shields?

I bought an Arduino Uno from Radio Shack. I was under the impression it was the authentic model made in Italy. I read on Arduino.cc that the USA version is licensed and essentially the same. I then ...
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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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489 views

Recording and storing Midi data with arduino and midi shield

i need help getting started on writing a sketch that would let me record and store midi data from a midi controller connected to a arduino mega through a midi shield. are there any functions in the ...
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570 views

Arduino Mega + XBee Shield + RAMPS 1.4 Is it possible?

Is it possible to sandwich an XBee shield between Arduino Mega and Ramps 1.4 without damaging any of the boards or lose of Ramps functionality ? I am not trying to make a 3D printer it is rather a ...
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mcufriend 2.4 tft mega 2560

Please help me w/ my 2.4 mcufriend TFT on my Mega2560. I've followed any instructions I can find, including: 2.4" TFT LCD Shield isn't working on Arduino Mega I still get a show white ...
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Arduino Program for Olimex ekg/emg shield to detect heart rate in bpm as well as show ECG in ElecGuru software

The manual of olimex ekg/emg shield provides a link for ShieldEkgEmgDemo code, it can show ecg in realtime in a software ElecGuru. The link to software is also provided in the manual. I need to get ...
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Yún vs Uno with Yún Shield [closed]

What are the differences between an Arduino Yún and a Arduino Uno with an added Yún Shield? And is there a way to expand the storage of the Yún / Yún Shield?
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Advanced Arduino Project Help

So, I am an Engineer working on a very time tight project. I want to create a system capable of collecting data from a Photodiode and compiling it in a way that will separate data into four columns ...
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934 views

what pins are attached to ethernet shield SD card?

I have ARDUINO ETH SHIELD 06 - Rev 03. https://www.adafruit.com/product/201 what pins are attached to Ethernet shield SD card?
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How to combine 3.4ghz intel processor with arduino board [closed]

Im totally new to arduino but have some programming experience. I have an idea that i would like to realize but it requires way better hardware than what a standard arduino board offers. I would like ...
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1answer
128 views

Trying to make a wattmeter

I've been trying to make a wattmeter using arduino but cannot find the shield I need to buy to put onto my arduino to make it. There are no such parts in the Arduino Store and online the best I could ...
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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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5answers
192 views

Picking an Arduino

I'm looking to develop my own personal SmartWatch, hardware, software, and all. My problem is starting off on the hardware portion of it; more specifically what platform I should build it on. I ...
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Combine Code Arduino GSM Shield and Adafruit GPS Shield

I have a problem to combine both code for Arduino GSM Shield and Adafruit Ultime GPS Shield. I already change my code to the basic one like examples. I think i found the problem. The problem is when i ...
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Arduino UNO WiFi "wifi shield not present"

I currently use the Arduino UNO WiFi, but when I try to use the WifiChatServer example, I keep getting the same error: wifi shield not present. What am I doing wrong?
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105 views

How do I free up space on arduino Yun shield?

I recently bought arduino Yun shield, and I didnt had any external USB storage connected, I downloaded get-pip.py on Yun using wget and ran python get-pip.py which resulted in 5mb storage on yun now ...
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2answers
105 views

Do (cheap) SD modules support file I/O?

I noticed there are cheap SD modules and complete SD shields. I assume the last are used for a 'final' product and not for bread-boarding (?) However, I was wondering, is there also a difference in ...
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98 views

Change conditioning in real time

I am currently writing a program that reads an output voltage from a capacitive moisture sensor and depending on the moisture content, it will water some plants accordingly. I would like to make it so ...
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1answer
57 views

What controller should i use?

I'm working on a little DIY project in which I intend to make my own dataglove. Now I'm kinda stuck on choosing the right microcontroller. And since it can be quite costly, I thought to ask for some ...
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1answer
234 views

Arduino for push notifications to phone

I'm interested in using an Arduino for a project for taking information and sending it through a phone application. I was wondering what the cheapest option there is for an arduino with internet ...
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281 views

Unable to read any SMS's other than the first SMS using SIM908 shield

I'm using two SIM908 shields to communicate with each other. One of the shields will be connected to a sensor and it should send values contentiously to the second SIM908 (receiver). I'm facing a ...
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1answer
430 views

Sim800L's library can not compile on Arduino Due

Sim800L's library can not compile on Arduino Due. Is there any way to create a library for Arduino Due? #include <Sim800l.h> #include <SoftwareSerial.h> Sim800l Sim800l; char* text; char*...
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297 views

Integrating Freescale Multi Sensor board with Arduino

I recently bought Freescale's FRDM-FXS-MULTI-B, and have been trying to integrate it with an Arduino UNO. The board descriptions say that it has the shield layout that matches that of an Arduino ...
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396 views

How to connect to pins when using I2C LCD shield?

How are pins used with this shield? The tutorial says that the header pins are inserted into the Arduino but the guide says they are not used for signals. Is there any way of using the other pins? ...
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677 views

Ethernet Shield 2 data to PHP server doesn't work

I am trying to send data via GET to my PHP server from my Ethernet Shield2. This is part of my sketch: char myserver[] = "www.myserver.com/"; if (client.connect(myserver, 80)) { Serial.print("...
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SD Initialization Failing

I am using a SEEED SD Card Shield. Everytime I attempt to write the card, I get When Using File> Examples> SD > CardInfo: initialization failed. Things to check: * is a card is inserted? * Is your ...

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