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Questions tagged [heat]

Heat is referring to overheating a chip with too much voltage or current, thus producing heat. It often makes a blueish smoke when the chip exploded from pressure. Use this tag for how to cool the chips and/or how far you can push a certain chip before it will have a reduced lifespan.

2 votes
1 answer
12k views

I want to power ESP32 with 230V AC and I don’t know how to do it. The requirement is that it must never overheat. What components should i use? The ESP will be in small space with no airflow. Will it ...
krystof18's user avatar
  • 315
1 vote
0 answers
271 views

there i just got started with the arduino mega2560 . i tried 8x8 matrix tube and after ~30secs i found the atmega2560 a bit hot that i can melt a small amount wax on it ! is there any sort of heatsink ...
Raj's user avatar
  • 41
1 vote
2 answers
714 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
0 votes
1 answer
13k views

I'm getting the following error when I try to enroll fingerprints using the Arduino Mega 2560 microcontroller along with a Fingerprint Scanner: Did not find fingerprint sensor :( The exact devices I'...
Wachaga Mwaura's user avatar
2 votes
2 answers
1k views

I connected my Arduino Uno to an external power supply, but did not noticed the power supply was on 30 V, I saw the part in the picture smoking and immediately pulled the cable out of the Arduino....
Tom's user avatar
  • 23
0 votes
2 answers
358 views

Yesterday I wrote in a comment that I didn't break much, except a LED and a LED matrix. However, exactly yesterday I think my Uno gave up, since I cannot upload a sketch anymore (timeouts). For the ...
Michel Keijzers's user avatar
1 vote
2 answers
160 views

I am making a pid line follower robot. So I was tinkering with code to optimize my line follower when i removed two lines of code unknowingly. As soon as I uploaded my code and started the line ...
Kirtik Soni's user avatar
7 votes
1 answer
25k views

I am trying to control a Nema 17 motor with a L298n dual bridge and an Arduino Mega. My wiring is from this Instructable: http://www.instructables.com/id/Control-DC-and-stepper-motors-with-L298N-...
ce_guy's user avatar
  • 73
1 vote
1 answer
842 views

I plan on making an Arduino project for reminding a parent to take a child from a car. In order to power the project I though on using a solar panel. Since I can't rely on having solar power all the ...
Ido Ran's user avatar
  • 149
1 vote
1 answer
3k views

So I'm aware the Arduino Uno can take 6-20 volts, with a recommended voltage of 7-12. But I have an unregulated 12v power adapter, which puts out about 18v with no load. Most of the time the Arduino ...
Nateowami's user avatar
  • 113
0 votes
1 answer
616 views

I am working on a simple Arduino project where I am controlling 5 TowerPro servos. I read that each takes up 2.2 V each so that means the Arduino can only handle about 2 , if using 5V. So far Ive ...
user avatar
1 vote
1 answer
2k views

I want to dim 24 LEDs which are powered by a transformer outputting 24V 6W at 0.25A I am worried about temperatures, especially considering the circuit has to stay on for several hours keeping the ...
Martin's user avatar
  • 119
15 votes
3 answers
8k views

We have an LED strip connected to output 6 and is powered by the Uno board itself. Shouldn't be drawing too much current, only have 10 elements on the LED strip. While this LED strip is connected to ...
Chris O's user avatar
  • 339