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Refers to the sum total of software, circuit diagrams, documentation, libraries, and hardware that make up an Arduino based application.

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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 ...
user90576's user avatar
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1 vote
1 answer
109 views

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 ...
user1357607's user avatar
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2 answers
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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 ...
Just doin Gods work's user avatar
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1 answer
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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 <...
Roschlynn Dsouza's user avatar
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1 answer
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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 ...
Suriya Prakash J J's user avatar
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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 ...
Roschlynn Dsouza's user avatar
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0 answers
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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 ...
Toufiq's user avatar
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1 vote
1 answer
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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 ...
rom_and_n00dles's user avatar
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2 answers
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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 ...
De Safa's user avatar
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0 answers
103 views

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 ...
Daniel o dea's user avatar
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3 votes
1 answer
236 views

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 ...
lostbeam488's user avatar
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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: ...
sonlas10's user avatar
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2 answers
724 views

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 ...
MyDisplayName's user avatar
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1 vote
4 answers
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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 ...
J. Doe's user avatar
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3 votes
1 answer
527 views

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 ...
zac5482's user avatar
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-2 votes
1 answer
128 views

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 ...
amir's user avatar
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5 votes
1 answer
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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 ...
PeterJoe's user avatar
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1 answer
1k views

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 ...
APN's user avatar
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-1 votes
1 answer
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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 ...
Shreeniket Joshi's user avatar
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2 votes
1 answer
168 views

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.: ...
Peternen's user avatar
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1 vote
2 answers
140 views

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 ...
Shane R.'s user avatar
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2 votes
2 answers
1k views

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 ...
Nick Heumann's user avatar
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1 answer
193 views

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!
Gido Selten's user avatar
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1 answer
218 views

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 ...
aizhan_maksatbek's user avatar
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2 votes
0 answers
90 views

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. ...
dev deque's user avatar
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1 vote
1 answer
236 views

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 ...
David White's user avatar
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1 vote
1 answer
358 views

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 ...
David Robilliard's user avatar
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3 votes
3 answers
303 views

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 ...
Malcolm Tisdale's user avatar
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7 votes
2 answers
8k views

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 ...
Macit's user avatar
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2 votes
0 answers
511 views

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 ...
Raghav Gupta's user avatar
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1 vote
1 answer
254 views

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 ...
user avatar
1 vote
2 answers
737 views

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 ...
jetjetboi's user avatar
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1 vote
1 answer
141 views

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 ...
Worapat Sopa's user avatar
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0 votes
2 answers
1k views

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-...
Eoin Clancy's user avatar
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0 votes
2 answers
138 views

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 ...
Keith's user avatar
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-1 votes
1 answer
128 views

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 ...
eestein's user avatar
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0 votes
1 answer
77 views

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 ...
maxiu's user avatar
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4 votes
3 answers
1k views

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 ...
Jack's user avatar
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0 votes
2 answers
148 views

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(...
Queen Quiazon's user avatar
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0 votes
2 answers
2k views

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 ...
M2com's user avatar
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0 votes
1 answer
133 views

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. ...
HDatta's user avatar
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-3 votes
2 answers
187 views

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.
Shubham Bhardwaj's user avatar
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0 votes
1 answer
2k views

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 ...
Sujoy Purkayastha's user avatar
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1 vote
1 answer
2k views

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 it ...
gavenkoa's user avatar
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2 votes
6 answers
1k views

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 ...
user10325's user avatar
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2 votes
0 answers
623 views

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 ...
31089915's user avatar
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0 votes
4 answers
425 views

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 ...
Marcelo Ribeiro's user avatar
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1 vote
2 answers
246 views

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 ...
Kenji's user avatar
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92 votes
7 answers
61k views

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 ...
jfpoilpret's user avatar
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