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.

Filter by
Sorted by
Tagged with
2
votes
1answer
1k views

How do I use I2C from an Arduino Uno when I have a GSM shield mounted?

This may be an extremely obvious question but I don't seem able to find a definitive answer. I have an Arduino Uno and a Sim900 GPRS/GSM shield fitted on top of it. I had I2C working on the Arduino ...
3
votes
2answers
673 views

Interfacing Logitech Joystick to Arduino and interrupt a while loop

I am working on a project of a robot arm. The joints are made of servo motor. The basic function can be describe as: The robot arm (the servos) were moved manually by the Logitech joystick. The user ...
1
vote
1answer
62 views

How to use this specific arduino shield

I am trying to understand how to wire this Arduino Uno shield properly. My goal/main questions: I have 6 servo motors and I am trying to wire them properly to this shield. Do I need an external ...
0
votes
1answer
35 views

Mini Arducam module camera shield - 2MP ov2640 interface with Arduino Uno

MINI ARDUCAM MODULE CAMERA SHIELD - 2MP OV2640 Arducam Multi-camera adapter board for Arduino SPI Mini Camera I have the above two components with me along with ARDUINO UNO R3. I want to stream video ...
0
votes
1answer
479 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 ...
1
vote
1answer
61 views

How can I play sound on Arduino with an SD card?(I have a problem with the sound)

I am working on a "personal assistant" with Arduino and I am having trouble playing sound from an SD card... I am using a shield called "Easy Shield UNO" by Simkeim, and it has an ...
0
votes
1answer
47 views

Use normal TFT Shield with SD as a Nextion Display

I have a normal Elegoo TFT 2.8" display shield that also had an SD reader. I am trying to use it as a Nextion display. I want to do this because the Nextion tool allows you to make very nice ...
1
vote
0answers
20 views

Using Arduino Click shield with NDIR Click CO2

I am trying to use (NDIR CO2 sensor Mikroelectronika) with Arduino Mega 2560 utilizing the Click shield. Mikroelectronika provides libraries for their platform (likely proprietary), hence i have no ...
0
votes
1answer
653 views

TFT and SD don't work together

I use a 2.8" TFT Touch Shield v1 and I want to read some data that were stred in sd and plot them with the tft. When the following code is ordered, to access the data. TFT freezes.... but the code's ...
1
vote
2answers
188 views

Elechouse Mo3 Shield Play Random Song

using this code to try and play a random song when someone walks by my distance sensor I get an error, the same song(track 0001) plays every time. Any advice? #include <SoftwareSerial.h> ...
3
votes
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 ...
0
votes
1answer
373 views

Power source for Arduino uno, sparkfun usb shield and adafruit motor shield

I'm having trouble powering my boards altogether. Right now, I'm using 8x AA batteries to power everything. Running my arduino with one shield runs fine, but not with both shields stacked on top of my ...
1
vote
0answers
41 views

Proper wiring for a HiLetgo DAC to Arduino

I have been having trouble finding any recourses for a DAC chip that I bought. It is the HiLetgo PCM5102 DCA. https://www.amazon.com/gp/product/B07Q9K5MT8/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&...
1
vote
0answers
53 views

How can I use GPIO pins on an esp12e UART?

I've bought an esp12e UART that unfortunately had some issues, but I was able to fix them. This is how I connected it to the arduino. With this setup, I was able to host a simple web server and it ...
1
vote
0answers
39 views

How can I start using the esp12e UART? [closed]

I ordered an esp12e UART. So how can I start using it? Since I have seen a lot of articles online, but all of them are complicated for me. I'm pretty new to the arduino world, but I have some ...
1
vote
0answers
89 views

MKR 1000 not found in ports when MKR IMU Shield is connected

I am trying to connect my MKR IMU Shield to my MKR1000 by placing the IMU shield in the MKR1000. When I do this, however, the Arduino IDE and Simulink are unable to find the port that my Arduino is ...
4
votes
1answer
132 views

Problems with green TWI (I2C) port on Arduino Braccio Shield

Summary: The green TWI/I2C port on my Braccio shield I2C port hasn't worked for me so far. Looking for advice or information please. Detail: I'm using the Arduino (Tinkerkit) Braccio robot arm for ...
1
vote
2answers
37 views

How to remove Arduino Due and Mega shields without bending pins?

What's your suggested technique for reliably removing Arduino Due and Mega shields while minimizing the chance of bending the strip header pins? For example, there's a similar discussion here where ...
1
vote
1answer
49 views

Problems Sending Signals to the Arduino-Uno via Keyboard

I have an Arduino Uno and a usb 2.0 shield in which I connected a keyboard to. I have all the necessary libraries installed but what I am trying to figure out is how to light an led when I press a ...
1
vote
2answers
4k views

mcufriend 2.4 TFT with ESP8266

I have this TFT: Now, the problem is, I will not use this as a shield (i.e. I will not just put it on top of an Arduino Uno). I will use it with an ESP8266 (NodeMCU). I want to know how to wire them ...
0
votes
1answer
67 views

Datasheet of arduino power jack

Can we find out about the parts that the arduino uses? I want to make a shield, and i bought the same power jacks. And i thought that there would be two pins, one for power, one for GND. However, it ...
2
votes
2answers
9k views

Arduino Ethernet Shield on Arduino Mega Pin Usage!

I currently have an Arduino Ethernet Shield which is Mega Compatible. I've found on the Arduino Ethernet Library https://www.arduino.cc/en/Reference/Ethernet that the Shield uses different Pins on the ...
1
vote
1answer
44 views

Joy-IT RS232 Shield and RS232 voltage levels

First of all, sorry if this is a dumb question, but I'm pretty new to the whole Serial RS232 concepts. I do have an Arduino Board that, from what I read about, is not able to communicate via RS232 ...
1
vote
1answer
49 views

Any possible way to stack Motor Driver shield L293D with Xbee Shield v03 on arduino?

So i am trying to stack these two shield on arduino, now the problem here is that i guess there is a conflict between the pins of arduino being used by both shields, so can anyone suggest a solution?
1
vote
1answer
616 views

HLK-RM04 wifi shield factory reset?

I have this HLK-RM04: It came with no catalogue or manual all threads about it are in Chinese after when I found the configuration webpage and changing it to client it wont connect and it stopped ...
1
vote
1answer
81 views

ESP8266 with RTC DS1307 shield - WS2818B shield won't blink - I2C issue?

Dear Ladies and Gentlemen, I'd like to let a LED blink base on the time of the day. So I took Wemos D1 mini and a WS2818B shield and a RTC DS107 Shield for the before mentioned ESP8266 model. Based on ...
2
votes
4answers
361 views

Need some Hardware advice with arduino

I am fairly new(having less hands on experience) to Arduino and electronics in general. I have a project for which I know the features and required electromechanical parts. I need some advice in ...
2
votes
1answer
78 views

Can I use LiFe PO4 batteries in a 18650 battery shield?

Is it safe to use LiFe PO4 batteries in a 18650 Battery Shield (sometimes called Lithium-Battery Shield)?
0
votes
1answer
287 views

Get more PCINT capable pins on Mega 2560

I'm building kinda "ball game" for a total of 6 players based on these per-player specs: 1 stepper motor with 4 pins 2 end stops (start & finish) per motor 1 finish LED 3 holes to score,...
0
votes
1answer
160 views

7segment display on Multi Function shield - Arduino Uno

I’ve bought this shield . I’m looking for a way to display decimal point, without using any a designated library. Most examples as this one shows only 0-9. EDIT1 update link Link
1
vote
0answers
79 views

CAN Bus Shield Initialization Failed

The Problem I've been working on a project that requires the use of a CAN Bus Shield v2 on an Arduino. For most of the time it has worked great, completely as intended. But recently, I was trying to ...
2
votes
0answers
91 views

Problems with Arduino Uno Usb 2.0 shield when using a keyboard

I have an Arduino Uno and a usb 2.0 shield in which I connected a keyboard to. I have all the necessary libraries installed but what I am trying to figure out is how to light an led when I press a ...
0
votes
2answers
355 views

Ethernet Shield Not Working With TFT Screen

I'm trying to stack up Arduino UNO, Ethernet Shield and Waveshare 2.8" TFT Shield. Since I'm new to this I'm mostly doing basic stuff. I successfully manage to get ethernet shield and TFT shield to ...
1
vote
0answers
168 views

usb host shield + wireless mouse (Read 5 times)

hello guys i have a problem , i have a usb host shield v2.0 from circuits @home attached to an arduino mega and to a usb wireless reciever mouse , this is the serial monitor output : x=0 dy=3 dx=0 ...
3
votes
1answer
4k views

Using SD card shield on Arduino Due

I have a Seeed Studio SD card shield (V3) that I am trying to use on my Arduino Due. I am having trouble using the SD examples that come with the Arduino IDE. They worked fine on my Arduino Uno by ...
1
vote
1answer
120 views

Power supply while using a shield

Sorry if this is a dumb question, I'm new to Arduinos. I'm planning to use a MOVI voice shield with SparkFun's RedBoard Turbo (3.3v). The RedBoard Turbo requires a power supply under 6VDC, but the ...
1
vote
0answers
114 views

i build quadcopter using USB HOST SHIELD + NRF24L01 but the data transmit is wrong

I am building mini Arduino quadcopter project. I am using USB host shield for joystick support and nrf24l01 to transmit the data. Unfortunately, I got wrong data transmitted at the receiver and tried ...
-1
votes
1answer
1k views

Shield SIM808 EVB V3.2 charge a Lithium battery?

hello friends do you know if, can this shield (SIM808 EVB V3.2) charge a lithium battery directly or i need additional hardware?, I know that module has conection for battery but it can charge it?
0
votes
1answer
75 views

TLE9879 BLDC shield won't communicate

I just got the TLE9879 BLDC shield, which I connected to an Arduino Leonardo. Compiling the example sketch (bldc_shield_blinky_test) went fine, however, upon flashing it to the board the LED on the ...
1
vote
0answers
27 views

Will L293D arduino shield lose functionality if I connect it with jumpers instead of mounting on arduino?

I'm new to arduino and have bought a L293D motor driver shield which have no heads on the pins. I looked at the pinout and it seems that shield does not use any of the pins "by default". So will it ...
-1
votes
1answer
548 views

Timeout error with Arduino Mega and ESP8266 as the wifi module

I am trying to use the ESP8266 as the wifi module based on this tutorial. My connections are as follows: ESP8266 <-----------------> Arduino Mega VCC ------------------> 3.3V (converted ...
1
vote
0answers
80 views

D1 Mini + TFT & I2C Connector Shield not going into deepSleep

I'm trying to write a sketch to use a Wemos D1 mini connected to several shields including a LOLIN TFT & I2C Connector Shield (v1.1.0). This powers a small ePaper display (LOLIN 2.13" diagonal ...
1
vote
0answers
202 views

Help Needed! How do I attach a color sensor to a 2WD robot and use it to control its movement?

I'm relatively new to the world of Arduino, so don't be frustrated if I ask questions that could be silly. This project has a deadline, so any input is appreciated. THE PROJECT: I am planning to ...
3
votes
4answers
19k views

SD card fails to initialize

I know this question has be asked before on this site. However it was never really answered. I have an Arduino Uno. I am trying to get it to read a 2 GB SDHC Micro SD card. The problem is, the SD card ...
1
vote
0answers
147 views

Using Arduino Sensors with STM32 based NUCLEO boards

Right now I'm programming an Arduino Uno Rev3, I'm using a Sensor Shield v5 (image at the bottom) to be able to have several Ultrasonic sensors and Servos. Right now I'm thinking about getting a ...
0
votes
1answer
799 views

HTTP parsing with authentication in Arduino + ethernet shield

i am trying to parse a page from the route by using Arduino + Ethernet shield. before Arduino testing. I tested my code via python as it shows below. from this code i can get the data as i wish where ...
1
vote
2answers
1k views

Error while updating ThingSpeak using SIM808

im trying to update ThingSpeak from a SIM808 but I'm getting a network error. Please check below and let me know if there is anything wrong in my methodology. I'm using terminal.exe to send commands ...
2
votes
2answers
6k views

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?
0
votes
1answer
14k views

What are the unused pins in an Arduino L293D motor shield?

What are the unused pins in an Arduino L293D motor shield? I want to connect the shield using wires instead of directly mounting on top of the Arduino board.
1
vote
0answers
246 views

How to make VOLTE/LTE or LTE calls using Arduino?

I want to make VOLTE/LTE calls using Arduino. I searched everywhere in Google. At last I found a website LTE Cellular Shield for Arduino with Voice!. But I cannot find SIM7500 Shield in online shops. ...

1
2 3 4 5
8