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Questions tagged [pi-2]

This refers to the quad-core Raspberry Pi 2 (currently only available as a "B" model with Ethernet and four USB ports), with 1 gigabyte of RAM.

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18
votes
6answers
26k views

Can I use Fedora on the Pi 2?

I know Fedora has ARMv7 images. Can those be used on the Raspberry Pi 2, and if so, how?
18
votes
4answers
18k views

Current draw for +/2/3/0 models

Essentially "What's the current draw and supply voltage tolerance?" but for newer models.
27
votes
6answers
16k views

Which model Raspberry Pi I am running?

Is there a way of determining whether the current Raspberry Pi is either a 2 Model B and 3 with Raspbian Jessie Lite 8.0? This is because I have a particular bootstrap.sh written in Bash where it ...
48
votes
2answers
112k views

Raspberry Pi 3 vs Pi 2 power consumption and heat dissipation

I've seen the announcement of the new Raspberry 3 but didn't find any info regarding power consumption and heating. A 1.2 Ghz 64-bit CPU is great but does it draw a lot more power? Shall heat be an ...
3
votes
1answer
887 views

which ubuntu version to install

I have installed ubuntu snappy but I can't find apt-get which is not a problem but I can't find some packages as vim... Which is the best Ubuntu version to install ? What are the pros and cons ?
7
votes
2answers
5k views

configure monitor to allow rotation

I have a monitor Samsung SyncMaster 943B (connected through DVI) which has a rotatable screen. Monitor Preferences shows "Monitor Unknown" and the correct Resolution but not the Refreshrate and won't ...
8
votes
1answer
50k views

Best way to setup USB mic as system default on Raspbian Jessie [duplicate]

I am trying to setup Jasper on my RPi 2 B by following these instructions http://jasperproject.github.io/documentation/installation/#configure-raspbian and just figured out that there's no /etc/...
3
votes
3answers
957 views

Why is Component not working for Raspberry Pi 2?

Note: It may not be working because of which cable I am using. So I have a Raspberry Pi 2 Model B and I want to connect it to a computer monitor that only takes composite video input. This is what I'...
5
votes
5answers
22k views

How to install Waveshare SpotPear 4 inch LCD in RaspberryPI 2?

I've bought 4inch IPS LCD from WaveShare but cannot get it run on newest Raspberry PI 2. The original DVD comes with image which isn't compatible with RPI 2. Tried to follow this manual but without ...
6
votes
3answers
9k views

RPi 2 and 3.95 TFT ili9488

I have bought a 3.95 inch TFTLCD for Raspberry Pi (ILI9488 from mcufriend) and I can't get it to work. I am just mildly experienced with Raspberry and Linux, but the way this type of screen was shown ...
3
votes
2answers
988 views

What is windows 10 like for the Pi 2? [closed]

With MS support and all for the new Pi 2, what exactly can one expect from the windows 10 Pi version? it's being targeted at the "Maker" community, for applications in the IoT space and home ...
11
votes
3answers
12k views

Can I power a Pi through a 5V pin?

The PIN mapping of the Raspberry 2B says: The red ones are 5V pins. Are these just used as 5V out pins when power is connected through Micro USB? Or is it also possible to power the Raspberry Pi via ...
4
votes
4answers
2k views

Raspberry Pi stable date time

I'm working on a Raspberry Pi project, in which date and time are the most important factors. So, I want them to be very accurate. I know there are two methods to configure the Raspberry Pi's date ...
3
votes
3answers
2k views

Raspbian Wheezy, Raspberry Pi 3 and HC05

I now this is a long shot, but some reasons I was using Raspbian wheezy on Raspberry Pi 2, and I was able to use HC05 bluetooth module with wiringpi. Lately I had switched it to Raspberry Pi 3, yet ...
4
votes
1answer
279 views

Can I use my raspberry pi 2 OS for raspberry pi 3 directly?

I recently got hold of the Raspberry Pi 3, and wonder if I safely can use the same SD card loaded with Raspbian that I currently use for my Raspberry Pi 2 on the RP3 as well. The reason for wanting ...
1
vote
1answer
684 views

What is the skipping frame pattern and how to name the images captured with a sequence of numbers using Raspistill command in Raspberrypi?

I would like to know, how to name the captured images with a sequence of numbers instead of its frame numbers by using Raspistill command and also could anyone suggest me the typical skipping frame ...
1
vote
2answers
2k views

How to create multiple GPIO pwm waveforms that are in sync using pigpio for trapezoidal motor control?

Explanation I am using a Rpi 2 model B, and PIGPIO to generate PWMs. Goal is to run a three phase permanent magnet synchronous motor using the Rpi 2 with IRAMS10UP60A. Need 6 repeatable waveforms to ...
0
votes
1answer
190 views

Serial Communication from Raspbian using Python to Arduino

In Terminal its working but not working using python code. My Code: import serial from time import sleep ser = serial.Serial ("/dev/ttyS0") while True: received_data = ser.read() ...
8
votes
2answers
4k views

Error while trying to compile RStudio

I'm using Raspbian in a Raspberry Pi 2 Model B I've followed the guidelines in the RStudio Webpage and also in this topic https://www.raspberrypi.org/forums/viewtopic.php?f=34&t=55828 sudo su ...
4
votes
1answer
24k views

Why my program won't communicate through ttyAMA0 on Raspbian (Jessie)?

I am running two different Raspberry PI and they are running Raspbian Wheezy and Jessie. On Wheezy, I simply commented out a line T0:23: respawn:/sbin/getty -L ttyAMA0 115200 Vt00 in /etc/inittab file....
16
votes
4answers
116k views

Raspbian root default password

I tried to modify the sudoers file on Raspbian /etc/sudoers, and it looks like I made a mistake, as I'm unable to modify it again. I am also unable to call any command that requires sudo permissions. ...
3
votes
1answer
2k views

Split screen cloned display

Is it possible to split a Raspberry Pi display so that it shows up twice on one screen? I'm building a costume that covers my face. To be able to see, I've got a Raspberry Pi with Pi Camera and a 7" ...
3
votes
1answer
240 views

Pi2 does not power up. Is there anything I can do?

I finally started putting an auto-plant-watering system together, trying to develop the entire system using Win10 IoT, VS 2015, and c#. I'm at the very beginning stages of development but I did get ...
2
votes
3answers
13k views

Raspbian migration from Raspberry Pi 2 to Raspberry Pi 3

I have spent the past couple of months developing software on my RPi2 and I would like to now run this on my RPi3 to take advantage of the higher performance. The software I have written relies on ...
4
votes
2answers
29k views

Having an issue with Bluetooth Manager/Pairing on the Pi

The Issue: I'm having an issue with my Mac where if I try to pair it with my Pi using Bluetooth, it connects after confirming the code it displays, then after about 5-10 seconds, it randomly ...
4
votes
3answers
2k views

rPi2 model B v1.1 smoke comes out near power port

I am trying to control 2 motors using the E-gizmo Motor driver shield but suddenly smoke comes out near the power port of the raspberry pi 2 so I immediately unplugged the power supply. After that, I ...
3
votes
1answer
6k views

Differences in GPIO between Raspberry Pi 2 B and 3 B

Is there any difference in the GPIO layout between Raspberry Pi 2 B and 3 B? If yes, please provide the differences.
3
votes
3answers
4k views

Raspberry Pi C++ IDE

I would like to be able to code in C++ on my Raspberry Pi. I know that you can edit, run, and compile with only the command line, but I would like a more familiar IDE, such as Visual Basic or ...
2
votes
2answers
2k views

How to operate a cooling fan using GPIO pins, RaspPi2

I have little to no experience with any form of computer software coding/editing but I have managed to get EmulationStation working (sort of) on my Raspberry Pi 2. I have a bought a fan and plugged it ...
1
vote
2answers
53 views

My RPi 2 Model B will not detect the keyboard or my mouse?

My RPi 2 Model B will not detect the keyboard or my mouse, the mouse I have is a logitech m185 with a iPazzport mini wireless keyboard. During a bootup of my RPi i noticed a red word that said FAILED ...
1
vote
4answers
599 views

Where exactly are these GPIO pins located on Raspberry PI 2 Model B?

I am having hard time understanding the Raspberry PI 2 Model B's PINOUT. I have RTC Module I want to use with my PI, but no matter what I do there seems to be NO response at all from RTC. I even ...
1
vote
1answer
135 views

Pi 2 odd behavior of power system

My Pi 2 sometimes does not power on properly -- just the red LED comes on and there is no further activity. I've done this a bunch of times and there is a consistent pattern. If it happens with no ...
1
vote
1answer
4k views

Connecting Monitor via HDMI->DVI Cable does not work

like many other users here, I got a lot of trouble connecting my pi to external monitors. It connects flawlessly via HDMI to my TV. However, it does not work with my two DVI-D input monitors. I tried ...
0
votes
1answer
7k views

Android operating system with touchscreen?

So, I bought a "LCD Display, Kuman 3.5 Inch 480x320 TFT Touch Screen Monitor for Raspberry Pi" from Amazon. Now, I thought it was plug and go, but it's not. No biggy, I decided to figure out how to ...
0
votes
2answers
12k views

Proxy settings for Raspbian Jessie

I just borrowed a Raspberry Pi 2 from my friend. As my institute has a proxy server with user authentication, I can't access the internet via my Pi. I installed Raspbian Jessie. I need help to ...
0
votes
1answer
121 views

ADC with Raspberry pi to record sound

I am trying to record sound through sound sensor module and I found that raspberry pi does not have analog input system. I bought an ADC chip (MCP3008) to convert analog to digital signal so that ...
0
votes
1answer
586 views

Long length of wire off of GPIO pins

I am building a circuit with the Raspberry Pi that requires a button about fifty feet away from the central circuit. I am planning on using speaker wire for the connection from the Pi to the button. ...
13
votes
1answer
20k views

Install Atom editor on Raspberry Pi

Is ist possible to install Atom on a Raspberry Pi 2 running Ubuntu?
9
votes
3answers
9k views

Running Debian (Debian, not Raspbian) on a Raspberry Pi 3

The original Raspberry Pis had an ARM11 core which used the ARMv6 architecture, and most distribution's ARM hardfloat ports require at least ARMv7-A, the reason for Raspberry Pi-specific distributions ...
3
votes
3answers
3k views

Application to know how long my batteries will last?

I am new in the raspberry world and learning to program it with C# on Windows IOT Core. Right now I am working with it connected to the power supply. However I would like to develop an application ...
14
votes
3answers
5k views

What are the differences between the Model 2B and 3B?

Having seen an official part/order number (SC14012 or SC14014 with 16GB micro SD Noobs software) including what looks to be a real photographic image in a recent (2016/02/27 "Computer World" March ...
8
votes
2answers
8k views

GPIO library for C

I want to utilize the GPIO pins on my Raspberry Pi 2, but I'd rather not use Python since I personally dislike the language. However, I cannot seem to find any information regarding the use of C, only ...
7
votes
1answer
27k views

“Failed to open video device /dev/video0 no such file or directory” with normal working usb camera in motion

I have a normal usb 2.0 cam. Connecting it to my pc, it works perfectly. It is not working with my raspberry pi (2). I had installed motion and it had worked good before 2/3 weeks when I tried it but ...
7
votes
2answers
8k views

Touchscreen w/ HDMI output only when a display is attached?

Probably a very simple question, but I haven't had much luck finding a answer on my own. I have a Tontec 3.5" touchscreen plugged into my RPi2. Is there any way that I can use the touchscreen when ...
6
votes
1answer
546 views

OS from scratch on the Pi 2?

I found this cool tutorial for building an OS from scratch for the Raspberry Pi. Unfortunately, to my dismay, it seems like it hasn't been updated for the 2. Is there any chance it would still work? ...
4
votes
3answers
12k views

The Hashrate of the Raspberry Pi 2 and 3

I've been searching for a definitive answer to the above question, but somehow only seem to find semi-true statements (according to replies to these statements), or very outdated answers (for example ...
1
vote
3answers
2k views

WiFi and Bluetooth is not found in raspberry pi 3 model b

i have raspberry pi 3 model b device in that installed raspbian OS. After installed the OS i check the blue-tooth and WiFi. while clicking the Bluetooth and WiFi it's shows Bluetooth adapter is not ...
11
votes
5answers
23k views

Raspberry Pi Camera Rev 1.3 is not detected

I'm using an RPi 2 Model B and I have connected a Raspberry Pi Camera Rev 1.3 to it. I have checked to make sure that the connection is correct (the power LED on the camera is on). I've run: rpi-...
11
votes
4answers
10k views

What happened to Raspberry Pi 2- and 3- Model A?

I've been reading the FAQ section of the Raspberry Pi official site and I've noticed there was a list of all the devices ever made, which are (as of June 2016): Raspberry Pi Model A Raspberry Pi ...
5
votes
1answer
9k views

Activate virtualenv & start script on boot - RPi

I am trying to start a python script that exists in a virtualenv from bootup on my RPi. From reading this post and the RPi rc.local post I know that I will have to add something like this to /etc/rc....