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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Using prototype PCBs as Arduino shield

Is is possible to use prototype PCBs (PCB with grid of unconnected holes with copper around them, usually with pitch 2.54 mm) as Arduino shield, when they are fitted with appropriate pin headers? I am ...
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Wemos on top or at bottom of the stack?

I have some Wemos D1 mini, D1 mini Lite and D1 mini Pro. Is there any physical configuration to work better between a Wemos and a shield? Of course when I use a OLED shield, I place it on top of the ...
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Funduino USB Host Shield problems

I'm currently working on connecting a Funduino version of usb host shield onto an arduino mega board. But the serial output shows "osc did not start", which means the board can't find the ...
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Arduino + Solar Charger Shield V2.2: Battery and Solar panels selection [closed]

first of all I would like to apologize for the, probably very basic and stupid questions for you, but I'm not an electronic expert.. I'm implementing my project using an Arduino Mega 2560 (I need more ...
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Turn off backlight on 2.4" TFT screen

I have an Arduino Due and a 2.4" TFT screen shield this one. I'm trying to turn off the backlight to save power but not having any luck. I'm using the super nice MCUFriend library: #include <...
2 votes
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Arduino shield stacking issue

I'm having issues stacking shields on my Arduino Mega 2560. I would like to add to the mega a ethernet shield (https://store.arduino.cc/products/arduino-ethernet-shield-2) and on top of that the ...
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Can I use Data Logger Shield with Arduino Sensor shield V5.0?

so I did a little research on this but the answer to my particular problem did not exist. I have a data logger shield created by deek robot (deek-robot.com) which seems pretty similar to adafruits ...
2 votes
1 answer
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How to combine servo shield with peristaltic pump?

I am creating a project where I need 16+ (possibly up to 20) servos to open/close liquid flow through tubing, which in turn will be controlled by a peristaltic liquid pump (https://www.adafruit.com/...
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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 ...
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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 ...
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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 ...
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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 ...
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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&...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
2 votes
4 answers
364 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
1 answer
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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)?
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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 ...
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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,...
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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
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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 ...
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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
0 answers
109 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 ...
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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 ...
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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 ...
0 votes
1 answer
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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 ...
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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 ...
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2 answers
498 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 ...
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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 ...
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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 ...
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255 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 ...
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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 ...
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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. ...
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Using Arduino based OpenCR with USB Host Shield 2.0 to connect to PS4 controller

I am trying to use a PS4 controller with my dynamixel setup using the OpenCR 1.0 board. The USB Host Shield 2.0 library is used to talk to the controller, but the current library does not support Open ...
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1 answer
835 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 ...
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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 ...
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Interfacing optical mouse with arduino

I have a USB mouse which I am using to measure distance travelled by my bot for a project. I followed this blog to get the optical sensor from the mouse from the arduino and interface it with the ...
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SD card example freezes at line SD.begin() what should I do?

I have a 16GB SD card which is formated with FAT32. I'm trying to run the example codes presented for SD in Arduino. The SD card is inserted in the data logging shield and the CS pin in this shield is ...
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How to control 30 stepper motors using Arduino?

To prototype my project, I'm going to use an Arduino. I need to control 30 step motors. 4 of these step motors should always be ready to work, no matter other motors are working or not. But the other ...
0 votes
1 answer
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Issue with Arduino car bot, the servo motor moves randomly also it turns hot pretty quickly

I trying to create an Arduino avoiding obstacle car. Using Arduino Uno +shield (sensor sheild v5.0). The problem is that when I upload the code, the servo moves randomly (it doesn't rotate to the ...
1 vote
2 answers
1k views

Nano can't get reply from ENC28J60 Ethernet Shield

My Arduino Nano can't get a reply from my new ENC28J60 Ethernet Shield - I can't get any library examples to work. Using the UIPEthernet lib, and running the EchoServer example with logging turned up, ...
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LCD shield submenu

I need to make an app that does various functions regarding IR signals (remote-like) I need to create a sub menu in order for me to access multiple functionalities. Arduino-Uno-Menu-Template I used ...
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Can't fetch arduino param on server, Using POST method via arduino wifi shield

I am creating a slot sensor, using photoresistor. The goal is to send the photoresistor value, via analog read, pin A0 to my web server, so I can stored it in my database. void loop() { int ...
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1 answer
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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?
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Can an Arduino Pro Mini interface with a full-sized WiFi shield?

We have an Arduino Pro Mini on a breadboard connected to a 9V battery and a sensor, reading data. We also have a full-sized Adafruit WINC1500 WiFi Shield with PCB Antenna. I would like to know if they ...
2 votes
3 answers
2k views

Is there an alternative to soldering to connect boards?

I know that shields are usually soldered to headers so they can be attached to the board with the Arduino. I have a tremor, which makes soldering impossible. Are there ways of connecting PCBs without ...

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