Skip to main content
Arduino

Questions tagged [system-design]

Ask Question

This tag should be used for questions regarding the selection of components, deciding functionality, and other issues that may come up during the early stages of a project.

62 questions
Newest Active Bountied Unanswered
Filter by
Sorted by
Tagged with
-2 votes
0 answers
37 views

I am about to conduct my thesis study entitled "Design and Development of an Arduino-Based Automated Milled Rice Counter and Classifier" in which we are about to count and classify these ...
Gerald Peñaflor's user avatar
  • 1
-1 votes
1 answer
58 views

I'm trying to create a system where I continuously measure color data from a fluid. I've created a 3D-printed box where the pins fit; if they're configured in their out-of-the-box arrangement, what ...
Bilal Bahadır Akbulut's user avatar
  • 11
1 vote
1 answer
292 views

I'm new to Arduino. I'm curious whether there is a standard way to record the plan of a device—for instance, if I wanted to share it or communicate the design to other people. I realize the short ...
adam.baker's user avatar
  • 113
0 votes
1 answer
908 views

I have a Nodemcu with which i'm doing a project. So whenever there is a power loss i want values of some of the variables to not be reset, because of that im trying to store the values in EEPROM of ...
rohithrathod banoth's user avatar
  • 77
1 vote
0 answers
497 views

For a university Lab course i have to realize a UPS unit with a internal LiPo battery . The unit uses as battery charger a buck converter I have only a problem with the battery charger (buck converter)...
Marco Toni's user avatar
  • 11
2 votes
1 answer
235 views

Here's a schematic of my project: The purpose is to make laptop work as keyboard for desktop PC. Nano uses Serial.read() to get keystrokes from laptop and forwards key press and release data to ...
chocolate's user avatar
  • 43
1 vote
1 answer
270 views

I do not know much electronics. I have Nano v3 as I2C master, it reads 5-byte packets (of delimtted data) from PC's USB port, processes it and forwards it. I now need to implement a way to signal PC ...
chocolate's user avatar
  • 43
1 vote
0 answers
66 views

I am new to Arduino, I would like to know if someone could help me to create this type of signal with the Arduino Uno. Many thanks!!
Edgar Hornus's user avatar
  • 11
2 votes
0 answers
176 views

I am newer to microcontrollers and have my first project I would like to try. I have started to sketch out a basic design and would like feedback on things that I may be missed or over looked. I ...
Easton019's user avatar
  • 21
1 vote
1 answer
161 views

Here's the scenario: I have a radio that displays information on a 1602A LCD. The 1602A is plugged into a header so I can easily pull it out and instead plug in logic analyzer leads. The logic ...
Bezewy's user avatar
  • 121
1 vote
1 answer
473 views

I'm very new to the Arduino game I wanted to make a small auto watering system for my plants. I bought these items 5V 1 CHANNEL RELAY MODULE FOR ARDUINO PIC AVR DSP ARMB 9 VOLT BATTERY SNAP CONNECTOR ...
Nizam mulk's user avatar
  • 11
2 votes
0 answers
111 views

I am a complete beginner to Arduino, so I'm asking this moreso to see if a project will be feasible. My ultimate goal is to have this arduino (whenever powered) check this website "https://services....
A.K.'s user avatar
  • 21
0 votes
1 answer
854 views

I want to use an Arduino MKR GSM 1400 in my area wich has a bad connectivity on mobile internet. On my phone it's very weak and if i drive to the next village it works sometimes on the arduino with ...
Cowboy_Patrick's user avatar
  • 174
0 votes
1 answer
68 views

I'm really new at electronics and wiring, so please be kind. Coding is my stuff, but I'm trying to learn something here. I'm working with a project to store the movements of a skateboard through a ...
Fabiano's user avatar
  • 101
0 votes
2 answers
153 views

In my circuit I have a relay that will turn on some light bulbs this is my circuit: The switch over the 5V is in fact my Arduino. A HIGH will turn on the relay and a LOW will turn it off. This is ...
Nicos Karalis's user avatar
  • 111
1 vote
1 answer
215 views

Context I keep the board in sleep mode and want to wake it with different buttons. I need to know which button has been pushed on boot. In the following schematic, SW-R is actually used to reset the ...
Remi's user avatar
  • 159
2 votes
0 answers
191 views

My project is to control a dual motor model boat via bluetooth hand-held device. I am using an Adafruit feather 32u4 bluefruit LE and Adafruit DC Motor + Stepper FeatherWing Add-on. I am using the ...
Will Maynard's user avatar
  • 21
3 votes
1 answer
986 views

I'm more of a software guy, so I need your help to figure out the power issue with my Arduino. What I would like to do is using a GSM/GPS unit (Ai-Thinker A7) with Arduino Nano as a car tracking ...
Sertalp Bilal's user avatar
  • 133
5 votes
1 answer
187 views

I want to run an arduino out in the cold (-40), and use the serial communication - I believe that the crystal is the weakest link (the one for the serial chip) - however I don't see any drop-in (...
user2813274's user avatar
  • 197
6 votes
1 answer
15k views

Say I wanted to, purely hypothetically, set up a pirate radio station by connecting an Arduino to a WiFi network away from home, streaming music to the Arduino, decoding it, and broadcasting it with ...
Joris's user avatar
  • 163
2 votes
1 answer
1k views

While working for the automation side of my new house, I'm currently in the process of installing several reed switches on top of external doors and windows. Even if this could be used as a "...
Damiano Verzulli's user avatar
  • 454
2 votes
1 answer
10k views

From what I understand the master has primary control over the slaves and communicates with them. A master must always be present as well, and can be connected to (up to) 7 slaves. Question If I ...
ITSUUUUUH's user avatar
  • 57
1 vote
4 answers
826 views

Here is what I want to do or get it done (since I am not a embedded guy)... create a prototype with Arduino to detect open window/door of my room using camera(image processing/object state detection)? ...
rushi121's user avatar
  • 11
2 votes
0 answers
218 views

Does Fritzing support the standard 0.1" break-away header? When I search for "header" in its parts database, I see several examples, and some even seem to reference 0.1 headers, but I can't actually ...
Cerin's user avatar
  • 1,698
1 vote
1 answer
378 views

I am new to Arduino, also, I am not fluent in english. I wish to create a controller for several circuits. All of those circuits are "in parallel" with additional circuits. My question is: Do a ...
Bonatti's user avatar
  • 113
1 vote
2 answers
1k views

I have found a relatively small 12V switching power supply that I want to build into my device, using it to power both the Arduino Pro Mini and a couple of 12V cpu fans. Am I correct in assuming that ...
aelgn's user avatar
  • 113
0 votes
1 answer
94 views

If I wanted to throw together a simple burglar-alarm system that had wireless sensors talking to an Arduino (which would then send me an SMS message via cellular shield as a silent alarm telling me ...
keshlam's user avatar
  • 101
0 votes
1 answer
821 views

I work with a marching band, and we want to use fog machines for a particular part of the show. I know how to code/program in Arduino, however I am not great in the electrical and technical end. I own ...
Tommy Yamakaitis's user avatar
  • 113
0 votes
1 answer
72 views

I'm trying to generate an arbitrary lake bottom sonar returns using my Arduino. I would like to seed a function with a "depth." This would be the starting depth. I would then like to randomize a set ...
Samee87's user avatar
  • 135
0 votes
1 answer
106 views

I'm quite new to Arduino. I have build a number of projects successfully, like potentiometers, serial communication, DAC, sensors, motors etc. I use a laptop to power my Arduino project and Atmel ...
user avatar
2 votes
3 answers
4k views

The main idea is to create trigger which can be switched on by touching 2 plates on opposite walls. And these should be performed by few peoples holding each other hands. Obviously human body has big ...
Alexander's user avatar
  • 21
1 vote
1 answer
399 views

I've searched the forum for similar problems and still can't see my obvious issue. I'm working on a simple Halloween prop and I'm using an Arduino for the first time. I've tested each individual '...
Mike Pasquariello's user avatar
  • 13
0 votes
2 answers
941 views

Distance is about 3m. IR or visible light - does not matter. It is possible that object/obstacle can be shiny, so for correct detection necessary large amount of reflected light. Maybe for this task ...
XuMuK's user avatar
  • 113
1 vote
2 answers
826 views

I'm designing a PCB with a standard arduino ATMEGA328 DIP IC. Do I need to make a connection to the reset pin?
blarg's user avatar
  • 167
0 votes
2 answers
105 views

I created a shield for Arduino on a soldering board. The next step shall be to implement the circuit on a PCB. I'm new to this, so I'd like to know what the basic steps in designing a PCB are. More ...
Huitzilo's user avatar
  • 121
9 votes
7 answers
40k views

Is there any way to store the values of necessary variables somewhere (may be in a file that gets updated by the program at various events), which can be read back when program starts after rebooting ...
Samik Chattopadhyay's user avatar
  • 235
0 votes
4 answers
160 views

I just watched this excellent video tutorial that shows a simple Arduino program that toggles an LED via a pushbutton. Very cool! In the video, the author is using a breadboard for prototyping his ...
smeeb's user avatar
  • 509
3 votes
3 answers
6k views

I would like to be able to create permanent projects with my arduino Nano but be able to remove the nano in order to use it in other projects. The arduino Nano has 30 pins so I would be looking for ...
NULL's user avatar
  • 820
2 votes
1 answer
1k views

I'm designing a circuit that will use a 2.5v reference for the AREF. Should AVCC be powered from 5V or 2.5V?
blarg's user avatar
  • 167
12 votes
3 answers
10k views

im planing to make my very own arduino design based on the Arduino PRO mini. I picked this board instead of the UNO mostly because it's way more simpler compared with the UNO since the USB-to-Serial ...
Meletis Flevarakis's user avatar
  • 382
2 votes
1 answer
4k views

I've searched high and low for something to get me on the right track, it's making me think it might not be possible. Basically, I want to create a cheap SSD using Arduino (or another microcontroller ...
Michael Brown's user avatar
  • 143
21 votes
7 answers
29k views

I'm new to Arduino/C development (coming from a JavaScript/Ruby environment), but I was wondering if it was possible to include a library from a custom folder within a sketch? So this is my situation;...
Stefan's user avatar
  • 311
4 votes
5 answers
25k views

I'm trying to get students to experiment with Arduino. However, due to a lack of boards, two teams of students will collaborate on each board. They will push their own code (independent from each ...
Giulio Muscarello's user avatar
  • 143
2 votes
2 answers
681 views

I am designing a board for my electronics project and i am using a number of ATTiny85 for it. The ATTiny's will be SMD so i will not be able to remove them for programming. Moreover all of the pins ...
Rishabh's user avatar
  • 33
-1 votes
1 answer
436 views

I want to build a wearable device for a dancer using the Lilypad and I need to first send the programme from my Mac to the Lilypad board and then transfer the data read by sensors back to my Mac. I ...
Jen's user avatar
  • 15
1 vote
1 answer
6k views

So, this question might sound a bit silly at first glance (no, I know, it sounds flat out insane), but not all that silly at second. I have heard once about a guy who transformed some (presumably old-...
Delltar's user avatar
  • 113
2 votes
1 answer
5k views

In the normal case the setup() function will be run once automatically and and then the loop() function will run many times. I want to initialize several modules in the setup() function and then in ...
vladiz's user avatar
  • 121
7 votes
1 answer
11k views

This question might seem stupid, but I have been curious about it for a long time. So I am a new engineering student, and we learned a lot about "designing a controller". For example, design ...
MechAvia's user avatar
  • 171
2 votes
2 answers
11k views

Following the arduino starter kit, one of the projects uses a push button to on/off a motor. In the end they suggest to try to use a potentiometer to control the speed of the motor. I already did it, ...
blfuentes's user avatar
  • 221
1 vote
3 answers
412 views

I am trying to build a 36-line cable tester, using the Digistump DigiX (99 i/o pins). Digital pins 0-35 are outputs, connected via the cable in question, to (in a perfect world) digital input pins 36-...
user4057's user avatar
  • 11

1
2