Use this tag for questions about how to use the device safely, and how to keep the device safe from other dangers.

learn more… | top users | synonyms

0
votes
1answer
30 views

Precautions to be taken while using the GPIO pins

As a newbie to the Raspberry Pi and electronics in general, I would like to start hacking around with the GPIO pins but any tutorial around the Internet warn me about frying the Pi one way or the ...
0
votes
2answers
206 views

Power external hard drive though USB — safe to use USB charger?

I would like to connect an external hard drive to the Raspberry Pi. This hard drive must be powered through USB and comes with a cable that has two ends (to ensure sufficient power). The cable is ...
3
votes
1answer
141 views

Whitelist internet filter

I want to set my small kids loose on the Raspberry Pi with Scratch 2.0 and code.org without having to worry about them accidentally ending up in the undesirable parts of the web. I have set up ...
1
vote
0answers
65 views

Protecting the RPi against Moisture in a Refrigerator [duplicate]

Refrigerator This is a follow up to my previous question here. My chest freezer came in yesterday, and I brewed two batches of homebrew and placed them in last night. This morning, I couldn't wait ...
2
votes
1answer
126 views

Can output pin withstand any reverse voltage/current?

In my application I need to drive a stepper motor and depending on the speed of stepper motor the device that generates the drive signal is selectable. Out1 is from rpi for very low speeds and Out2 is ...
1
vote
1answer
1k views

Should I leave the Raspberry Pi plugged in after shutdown?

Are there any problems with leaving my Raspberry Pi powered even though it is shutdown? Sometimes I forget to unplug it after running sudo halt, so I was wondering if I was affecting the lifespan ...
2
votes
2answers
1k views

Can I make my Pi shutdown safely in the event of a power outage?

Obviously I'd need a UPS or battery of some kind to continue supplying power during an outage to my home. However, I'd like to have the Pi automatically shut down safely if it is switched to backup ...
0
votes
1answer
633 views

Raspberry Pi USB power from 5V S-ATA

I have a 3.5" HDD enclosure with external power supply. Inside I have a 2.5" HDD and there is space in there for the RPi. The problem is I don't want to have two power supplies so I was thinking to ...
1
vote
1answer
945 views

Can the keyboard draw too much power and cause damage?

I've been using a small, lightweight keyboard, fearful that one using a higher voltage would damage my Pi. Could I have invested in a better keyboard or did I do the right thing to prevent damage?
3
votes
2answers
374 views

How do I power down my Pi if I'm ssh'ed in?

I want to power down my Pi, but I don't have console access... I'm just logged in via ssh. So I issue sudo shutdown now and it drops my connection almost instantly. How long should I wait to unplug ...
3
votes
1answer
546 views

Can I safely hook up my Raspbian device to the Internet?

I recently bought a Raspberry Pi, and I would like to attach it to my local network and (via port forwarding) let it be reachable from 'the outside world'. My plan is to run Apache with PHP on it, ...
5
votes
1answer
3k views

Does short-circuiting GPIO pins damage the Raspberry?

Does accidently connecting the wrong GPIO pins damage the Raspberry Pi or is there some protection like a fuse?
5
votes
0answers
693 views

Is this a design fault or I shall learn how to use SD cards with PI? [closed]

My Respberry Pi Mod B arrived last week and I spent the whole weekend to try out different OSes, softwares etc. For this purpose I have to plug in and out the SD card again and again. Last night I ...
15
votes
2answers
663 views

Is Raspberry Pi resistant to nuclear radiation?

I've had this wacky idea to turn my Raspberry Pi into an autonomous Geiger counter that would log the decay rate at various high-radiation sites such as Chernobyl Exclusion Zone or the surroundings of ...
17
votes
3answers
949 views

Is my Raspi okay sitting on a magnet?

I have a big magnetic sheet that my Raspberry Pi is sitting on. It seems fine, but are there any dangers?
17
votes
2answers
576 views

Can I break my Pi in a way that can't be fixed with a new SD card?

Aside from physical damage (treading on it), is there anything that I could do to the Pi that could irreversibly damage it? More specifically, will anything I can do with code, or by prematurely ...
9
votes
2answers
242 views

How important is the case? (/How to safely create my own?)

How vulnerable is the Raspberry Pi without a case? I've seen the many lego cases which look great, but I'm constantly wondering what the risk of such a case is. Will a lego case successfully protected ...
18
votes
6answers
2k views

Is it possible to receive an electric shock by touching a Raspberry Pi while it's on?

This is a question of safety for children using the device while they are still being shipped without a case. The USB power source is expected to provide 5V and at least 700mA. Is this enough to give ...
12
votes
4answers
9k views

If I plug my headphones into the audio jack, how do I control the volume?

This will be useful to know before I start just in case the volume is turned to the maximum by default. Also, more importantly, will the maximum volume be high enough to cause immediate hearing ...
33
votes
3answers
1k views

Can the Pi be potted in epoxy?

In order to completely waterproof some basic electronic circuits, I've often used potting epoxy to stop anything getting to the internals. However, this has mainly been with stuff using PDIP, which ...
4
votes
0answers
76 views

What do I need to consider when creating a case? [duplicate]

Possible Duplicate: Running in an airtight case. Does it need ventilation? Do I need to use fire-proof materials?