Questions tagged [safety]
The safety tag is for the well-being of the people and objects around you, and yourself.
42 questions
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What may have happend to this arduino NANO?
Accidentally I just short circuit my arduino nano, using a led neopixel, between the 5vOutput with one of the data pins.
Now the pc doesnt recognize the device when I connect it.
In the device (a ...
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circuit breaker/fuse necessary for IoT home monitor?
In most 12v CCTV power supplies, each power cable is behind a glass fuse. I haven't seen fuses or circuit breakers used when distributing 5v power used in IoT projects. Is there a reason overcurrent ...
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Is Arduino Mega Hackable Over The Air
After reviewing similar topics I've decided to ask this question below in the Security Stackexchange forum about 11 days ago.
https://security.stackexchange.com/questions/235423/is-arduino-mega-...
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arduino circuit review/ safety review
I have the following circuit
It has a simple dc motor that is OFF, and switches ON once a day for 2 seconds.
I use MOSFET IRF540N as a switch
I use L7805CV as a voltage regulator
I would like to ...
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Detect if laptop is on or not?
How would I safely connect an Arduino so that it can detect if a laptop is on or off?
The Arduino would be powered separately by a normal USB charger, since it needs to be turned on even when the ...
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Is it safe to power Arduino project using a power bank and wall charger?
I got an Arduino project that need a constant source of power. Rather than dealing with batteries, I want to use a power bank like this:
Better yet, I want to keep the power bank plugged in to the ...
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Arduino Analog pins go all to high problem
I was taking measures from the outputs of an OpAmp when all the sudden measure 5 volts from all pins of the Arduino Mega for no reason. I disconnected the Arduino and loaded the Firmata and test. All ...
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How can I prepare for a short circuit between 5V and GND pins?
My Arduino Uno controls a couple of LEDs in a watertight enclosure. I'm running wires from ground, a data pin, and the 5 V pin into the enclosure. The Arduino is powered through the DC jack.
What ...
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How can I differentiate between multiple circuits?
I'm building a puzzle for an escape room. I want to give the user 6 wires and 6 terminals, then confirm that they've connected the correct wires to the correct terminals (one-to-one).
My first (...
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Different voltage sources across Vin and DC jack
So I understand that the USB VBUS circuitry turns off provided there is a high enough vin voltage using the PFET and comparator.
I can see that the DC jack is connected to the Vin pin via a diode.
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What is a safe way to power arduino nano with 7.4V Lipo battery?
I'm trying to power Arduino Nano with 7.4V LiPo battery and use it to run 2 DC motor using L293D. I have figured out how power it with the connection just like in the figure below(the diagram uses Uno ...
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What not to do to an Arduino [closed]
I may have been working with my Arduino UNO board improperly,
because now it fails to upload sketches (says some programmer is not responding)
and when I press the cute little restart button, the ...
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How to select hardware for my Arduino board?
As I embark on my first Arduino project, I have lots of questions. Specifically, what considerations should I make when selecting equipment, and what are the critical parameters to safe operation?
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Am I able to connect an anti static wrist strap to the ground pin on the Arduino uno?
So you have the pin on the arduino uno which is ground, are you able to use a jumper wire to send the ground source out the other end of the wire to the alligator clip for the antistatic wrist strap?
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How safe is it to use my body as part of a circuit?
I have two polystyrene balls wrapped in copper tape. When the balls touch, the tape completes a circuit from a digital pin on an Arduino inside one of the balls to an Arduino inside the other (both ...
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