Arduino Stack Exchange
Arduino Stack Exchange

Questions tagged [project-critique]

Use this tag when you are looking for feedback, suggestions, improvements or alternatives to a specific aspect of your working project. This tag should not be used for early design questions; also see the tag [system-design].

11 questions
5
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2 answers

Basic Serial Transmission Protocol

I have a small piece of code here that I hope to run on Arduino. Basically what this code is doing is, it takes a nibble from the user, appends a startbit to it, and transmits the code through a transmitter module. The receiver end receives the bits…
Jonathan
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4
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3 answers

How does the Space Replay record audio?

The Space Replay A hovering object that explores and manipulates transitional public spaces with particular acoustic properties. By constantly recording and replaying these ambient sounds, the levitating sphere produces a delayed echo of human…
asheeshr
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3
votes
0 answers

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 and DS18B20 thermal probe. My thermal probe is…
Roschlynn Dsouza
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2
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6 answers

Convert my if loop code into a switch/case statement

I have made a project where in photosensors constantly read value and if laser is cut by external object, then it beeps the buzzer. A switch case would make it easy, as suggested by some people. I have written my short code below, can you kindly…
N freaking J
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2
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0 answers

Help with school project (Arduino GSM and Thermal printer)

I'm with some friends from my school and we have started to do a project where we send an SMS text message to our Arduino UNO (with GSM module), which then print the text message on a thermal printer(tx, rx). we've got huge problems, and now we can…
Simon g
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2
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1 answer

Read an analog signal without changing it? Or should I start over?

Hi! I'm still working on my kettle project. I want to obtain the kettle temp from the existing thermometer. I'm able to do this, but much like trying to look at an electron my circuits all reduce the voltage going to the kettle control board. This…
futurebird
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1
vote
1 answer

How to implement a pulse counter for two clocks on Nano Every?

For clock synchronization I want to implement a pulse counter on the Arduino Nano Every. There are two clock signals at 40-100 kHz, the Nano runs on 20 MHz. Nyquist says we need at least 2 times the sampling frequency, we're at 200 times. So I…
Mo_
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1
vote
1 answer

Is it possible to overload the digital pins for an Arduino?

I worked on an Arduino project for school that was a self-driving security robot that also acted as a smart home system. It was essentially a self-driving Roomba-like car that included several LED's(resembling home appliances), three distance…
Jared M
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1
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Is it possible to convert RCA(video only) to Arduino Uno then to a computer?

I have an old wireless RCA output camera. I was wondering if I can convert its analog input to a digital one and have it saved on a file in my laptop?
MIGGYEE
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0
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1 answer

analogRead Function AC Voltage Reading Capabilities

Usually when you sense AC voltage, you get a sinusoidal waveform. However, for AC voltage sources, Arduino analogRead ( ) only presents positive voltage values. So what's basically happening? Is it skipping half the cycle where the voltage is…
ARJ
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1 answer

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 not the proper place for this questions would…
eestein
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