Questions tagged [project]
Refers to the sum total of software, circuit diagrams, documentation, libraries, and hardware that make up an Arduino based application.
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Arduino-project with color sensor and rgb-led
I want to use a color sensor for my Arduino project with Arduino Uno to detect the colors red, green, blue, orange, yellow purple of leaves of paper and then light my RGB led in those colors. I have ...
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What do I need for a plug?
I've manage to build myself an RFID music player which I'm pretty chuffed with. It's definitely a bit home made but it woks and I'm proud of it. I don't know what plug type to buy to sort my problem ...
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2
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224
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Read Digital Input from Arduino Pin defined as OUTPUT
I'm working on a Home Automation Project.
I can turn on-off ESP32 pin from Alexa and Google Assistant Successfully now.
What I need help is with a way to read if the AC supply is ON/OFF on the Arduino ...
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1
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242
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MAX30100 and ESP8266 NodeMCU Serial Errors
This is my final year project and for some reason, the max30100 sensor defaults to static values once the HTTP post request has been performed.
#include <ESP8266WiFi.h>
#include <...
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1
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Is there accurate connection procedure for connection between an esp32 and ultrasonic sensor(HC-SR04)? [closed]
I am currently working on a project which integrates esp32 and HC-SR04 and send the data from HC-SR04 to my own domain. The connection diagram is this
And the code which I use is this,
const int ...
3
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0
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357
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Integration of MAX30100 and DS18B20 Thermal Probe Integration
This is for my final year project that I have been tasked with designing a patient monitoring system. However, during the last stretch of model prototyping, I am experiencing issues with my MAX30100 ...
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0
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33
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Problem regarding on HC-SR04 sonar with an additional stepper and SG90 servo motor
I'm making a project based on HC-SR04 ultrasonic sensor with a stepper motor and an SG90 servo motor. I have done some conditions for my stepper motor that is given below. Now I want to include my ...
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First Arduino Project - Need Advice (powering WS2812B LEDs)
I'm making a long LED display made up of 3 (8x32) LED matrices to go inside of a car. I can't seem to find any in-depth guides on this sort of thing. If anybody has examples that they would like to ...
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2
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1k
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Can a 12V sensor connected to a 5V output signal of an Arduino Uno
I am doing a project for object detection. But my problem is I'm using a 12V photoelectric OMRON sensor to connect with 5V Digital PWM port 3 on Arduino using normal coding. Do I need an extra circuit ...
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0
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DHT11 thermometer connected to a LCD and 2 servos connected to joysrick [duplicate]
Im trying to find a way to run two codes from the one arduino me being an absolute begginer doesnt even know where to start the DHT11 thermometer is connected to a LCD showing temperature and humidity ...
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154
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Maintain constant PWM voltage with changing Vcc
I am making an arduino project with a single lithium ion battery, and want to be able to maintain a constant PWM voltage, even when the battery goes from 4.2-3.2v. I have been able to read the Vcc ...
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What is this potentiometer for?
I am working on an anemometer project using Arduino. I don't know barely anything from Arduino and I am following this tutorial.
I have some doubts on the making part. This is what I have to make:
...
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2
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414
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Whats the best way to keep an Arduino in a waterproof junction box and prevent overheating?
I am trying to make an automatic garden gate unlock that runs on a timer. I plan on running an arduino uno 24/7 with a software timer that activates a motor to release a bolt lock. I am going to fit ...
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4
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What are examples of large Arduino code bases and how are they organized?
I'd like to find out:
how big can an Arduino project get, is there some limit?
are there examples of large open source code bases? I did some research but find only example projects with single .ino ...
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1
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244
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Making Cases for Projects
I've been messing around with arduinos and other microcontrollers for around a year now and I've always struggled to find ways to encase my projects. I've seen some people use custom PCBs and then 3D ...
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the boxservo works contrary to the code
i want to make a uselessbox .i connected the circuit correctly,i checked every thing several times and every thing is in right place[ based on descriptions and pattern],but when i turn it on,the ...
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Useless box wiring and code
just want to give a back story first. So i saw this video on youtube about the useless box, and i thought that it would make a great gift for my 7 year old. So i went out and bought everything that ...
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What is the correct folder structure for including local headers in my Arduino project?
I am designing a "project" with 5 Arduino's (each with separate codes), communicating with each other using NRF24. All the 5 codes are different except they share a common header "MyHeader.h". The ...
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1
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Requesting help with CNC Project using Arduino
I have made a setup with Arduino Uno, Nema 17, T8 lead screw, IR Sensor and a DC motor.
I am trying to establish a code which:
Resets Home position of the Machining Head on the lead screw
Has an ...
2
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1
answer
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I´m trying to make a kind of videogame with Arduino UNO
it´s a school project, but I'm having some problems to create a menu selection. In the LCD, all the character are overwriting, I'm a beginer, so i dont have any idea of what i was doing wrong (ps.: ...
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2
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Would it be feasible to build an arduino that takes 12v on/off signals from a vehicle diagnostic port (1984 pre-OBD)?
The vehicle is an AMC eagle, they come with a diagnostic port
I have made a diagnostic tool that lights led lights when signals turn on and off, but it has to be wired in and is bulky. I am wondering ...
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2
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698
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Using a photo resistor to detect objects of a certain color
I am trying to build a robot that detects cubes of a certain color, and later picks them up.
I was planning to use a camera and process the image, but I was told that Arduino is not capable of image ...
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Looking for a cheap small arduino ish board [closed]
I'm looking for a cheap and small bluetooth board for a project.
I found this one, but I find this one too expensive, are there cheaper alternatives, in similar size?
Thank you!
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How to regulate a led on-board? [closed]
There is blink project consisting 3 sections:
1 - regulation of the led brightness using a potentiometer
2 - whenever: the button is pressed - the led is on
- the button is released - the led is ...
2
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0
answers
63
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Project: Relay is ticking, but not actually switching [closed]
I'm trying to make an automatic planter for herbs etc. I finally got everything 3D printed and wired together. But for some reason, the relay I'm using refuses to switch or enable certain connections. ...
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1
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191
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Small Baseball Scoreboard using 2 to 3 breadboards
I'm helping my son start an Arduino small baseball scoreboard (roughly 2 or 3 breadboards in size). Im thinking to use qty 2, 2 digit 7 segment LED's (score of each team), an LCD 1602 module (inning ...
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1
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294
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Confusion over Transistors for a switching circuit with an Arduino Mega 2560
Apologies if this is a stupid question asked by a noob, but I've looked around to try and find the answer and just can't work it out.
Basically, I'm making a project on thingiverse (Glitch's MK2 ...
3
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3
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272
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Controlling 10+x 5m led strips with 10+ individual analog floor switches
I am looking to control around 10 (exact number TBD) non-addressable 5m led strips with an Arduino. Each led strip will be activated when a corresponding DIY analog floor switch.
The idea is to have ...
7
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2
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What are the problems with using an Arduino in a production environment? [closed]
I am thinking about making a real project using arduino to earn money.
What could be the objective reasons (from both a technical and a business perspective) to not use an Arduino in a real ...
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How can I implement a parking counter with multiple entrances and exit?
I'm relatively new to arduino projects and am trying to solve a real world problem on a parking lot space counter.
My Idea is to have a sensor placed on the entrances and exit to count the total ...
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1
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Is it possible to digitally stop a moving motorbike using an Arduino module?
I am working on a bike protection project that is supposed to be part of my CS syllabus. Although I got most of the things worked out, there is one thing that bugs me; that is to how to stop a moving ...
user31660
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2
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Arduino whack-a-mole game not working
Everyone, I am new to this. Currently I am trying to make a Whack-a-mole game for my school project. There will be a total of 6 moles (corresponding to 6 LEDs, which will light up randomly). At each ...
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1
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Arduino Mega prototype analog timer interrupts: newbie question
I am currently using an Arduino Mega with a fast vibration sensor to trigger the components operation (force sensor, temperature sensor) and also toggle sleep mode.
I am very new at this and I have ...
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2
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MPU6050 safe to use with glue?
My current project involves embedding an MPU6050 accelerometer into straps, one of which goes below the knee, the other above the knee.
I need to fit the sensor into the strap and currently i have 6-...
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2
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How to calculate the time it takes before the water valve stops dispensing water in an Automatic Water level controller?
I am making a project about an automated water level controller using ultrasonic, potentiometer and Arduino board. I need a mathematical calculation on how it works. So here's a simple scenario:
I ...
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1
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What would be a good way to identify items spending as little as possible?
I'm a software developer for quite some time and now I'm going to start developing for Arduino. My question is related to technology I can use. It's also my first time posting here, so if this site is ...
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1
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Arduino project - will this fit together?
I'm about to order parts for my project and I'd like to avoid some rookie mistake I might've missed. I'll be using Arduino chip and a wifi module to host a very simple webpage and a battery to make ...
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3
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1k
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Moving motion sensor?
Long story short, I'm trying to build some form of device that you can wear and it will detect when something moves behind you. I wanted to use PIR sensors for the motion detection, but I have no idea ...
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86
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Machine installed with arduino suddenly turns on when usb is unplugged
Why is my machine suddenly turns ON when I unplugged the USB on my computer? Does it have connection on the auto reset feature of my arduino board?
String input = "";
void setup(){
Serial.begin(...
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2
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Are there flexible pressure sensors for Arduino that can measure forces of at least 600 lbs?
I'm in need of flexible pressure sensors that can read how much force is exerted on someone's foot while running (these sensors would be placed inside the shoe). Since pressure can often be three ...
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Detecting Motion behind a robot
I am building a motion following robot. It has two PIR sensors on the left and right. It has an ultrasonic sensor in the front. When either of the PIR sensors detect motion then it turns to that side. ...
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Suggest me some good seller for Arduino UNO [closed]
I want to start a new project with arduino uno and want to make some amazing mini projects, but i am confused that from where should i buy. So please suggest me some affordable robotic stores.
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Arduino "piston" device
Is there any compact piston-like devices on the market that can apply pressure safely various parts of the head? I can further expound if needed.
The ideal size would be something within the 1-2 ...
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1
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USB 1.1 Low Speed project for Arduino UNO/ATmega328P to learn USB protocol
Arduino UNO is 5V, 16 MHz.
USB 1.1 Low Speed spec operate:
at 5V level - so we avoid to maintain voltage level
at 1.5 Mb/s - so we have 16/1.5 ~= 10 instructions per elementary protocol signal
Is ...
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6
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988
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I want to build a radar alert system with Arduino
I'm new to all this. I bought an Arduino Uno recently and an Ultrasonic distance sensor. My mom's cats keep walking down into the basement and doing their... business. Anyhow, I want to create a radar ...
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0
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574
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7 Key Educational Piano with Capacitive Sensor
I am working on a project for grade 10 computer science. I am supposed to make a piano that has 7 keys using a capacitive sensor, and the piano is supposed to teach you songs like Twinkle Twinkle ...
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4
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387
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What project design tools are available?
What do you guys use for project designing?
I just found out about AutoDesk's 123D Circuits, which is nice but I wonder if there is something with more components, tools, etc?
For example, I can add ...
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2
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How has Arduino been used in the classroom?
I remember seeing Primo, this robot that is based on Arduino and serves to teach kids to program. My interest in the platform comes from there, but it is always nice to learn about other cool ...
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How to organize my Arduino projects' structure for easy source control?
It's been a long time I've been looking for a good answer to this question.
Typically, any Arduino project but the simplest one will include:
The main source code file MyProject.ino
Libraries ...
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