Tagged Questions

Questions relating to the physical components that the Raspberry Pi consists of.

learn more… | top users | synonyms (1)

0
votes
0answers
26 views

Electric Strike Door Lock Connection [on hold]

This is a bit unrelated to the raspberry pi, but I am making an electric strike controller using the raspberry pi. I ordered an electric strike from kawamall, and when I received it there was no ...
0
votes
0answers
16 views

Is a Pi able to put a monitor connected via HDMI to standby?

I've installed xset and tried to send the monitor to standby with xset dpms force standby The screen goes black, but the power LED doesn't start to flash, so the monitor doesn't seem to be in ...
0
votes
1answer
25 views

Connecting a Long Stem Thermometer to a Raspberry Pi to automate the recording of temperature in an experiment [closed]

Is there a way to connect and read the output of a long stem thermometer like this one to a raspberry pi?
0
votes
0answers
27 views

What is the best distro and version of MAME to run on a Pi that is multitasking?

about to get my first pi (a B+) along with a lightberry. I'm a decently seasoned linux developer so intend to push it as far as I can. I initially planned to put a red-hat/fedora flavor distro (to be ...
0
votes
0answers
26 views

Basic hand (touchless) gesture detection, solution needed

I need a good solution for basic gesture recognition (touchless), like swipe left, up, down, right, "tap" hardware/software for Raspberry Pi. I've seen http://www.hoverlabs.co/#hover which looks very ...
0
votes
1answer
62 views

Barcode Scanners compatible with Raspberry Pi

I would like to buy a barcode scanner to use with Pi, so which one will be compatible with Pi..?? Something around $50 would be great, like the Barcode Scanners we use at POS (Point of Sale), ...
0
votes
1answer
42 views

I2C and ST 24C64 (5V Problem)

I`m planning to use the 24C64 EEPROM with my Rasberry Pi. According to the datasheet the EEPROM "Single Supply Voltage" is 4.5 to 5.5 V. (Datasheet: ...
0
votes
1answer
31 views

Does the Raspberry Pi manage hardware interrupts?

I'm planning to use a raspberry pi to move DC motors using a PID programmed on the raspberry pi. the question is can I interrupt the raspberry pi by hardware, The idea is to interrupt it depending on ...
0
votes
1answer
84 views

Interacting with a RJ11 “phone” / Hardware

I'd like to be able to interract with a piece of hardware which is able to be controlled by a standard phone line (and provide vocal metrics, ...) Let me stress that it is not a modem, nor has it ...
0
votes
0answers
36 views

Soldering Components onto RasPi headers

I am trying to use the P5 header on the RasPi for soldering a switch to act as a safe shutdown button. But I am unable to solder the connections onto the headers. The reason for this, I believe, is ...
0
votes
0answers
43 views

Alternative IO board for Compute Module

Are there any alternative (unofficial/3rd party) boards for the (IMHO overpriced) official IO board that ships within the Raspberry Pi Compute Module Development Kit?
0
votes
1answer
179 views

How to switch my Raspberry Pi B+ with OpenElec on and off?

I have a Raspberry Pi B+ set up with OpenElec which I happily use as a media player for movies. What would be the best way to switch it on and off in a similar way I switch my TV or BluRay Player on ...
1
vote
1answer
59 views

Raspberry Pi B+ CPU clock manipulation

Is it possible to manipulate rPi B+ with ArchLinux system clock, I need to slow it down because of power management purposes.
1
vote
1answer
95 views

How to import Xbee to Python?

I would like to handle my xbee with raspberry pi via Python. I install xbee with this command: pip install xbee And I try to use this example code: #! /usr/bin/python # Import and init an XBee ...
0
votes
2answers
45 views

Data transfer from arduino to raspberry pi wirelessly?

How do I send data to raspberry pi connected over wifi from arduino connected to a laptop which is in turn connected to the same wifi network as raspberry pi?
1
vote
0answers
59 views

Did my PI lockup or was it halted?

I couldn't connect to my pi this morning until I turned it off and on again. I did this at around noon, didn't record the exact time, thereafter it connected via ssh. My sys.log state: Sep 18 ...
0
votes
0answers
14 views

Looking for a reference sheet for both Raspberry Pi and electronics for a study gruop

I'm planning to start a robotics study group for children or adults new to both electronics, robotics and programming. I've collected some reference sheets for programming, but I can't find any good ...
-1
votes
1answer
65 views

How to have the raspberry pi recieve text messages?

I have a raspberry pi and it can send texts, but how can I get it to receive text messages (SMS)? Thanks
1
vote
2answers
74 views

RetroPie missing 'emulator' folder

I've installed RetroPie and I've tried update it to its latest version (I think). RetroPie runs fine and games load perfectly but the problem I'm having is getting a USB controller to work. I've ...
0
votes
0answers
35 views

Beginning with servos and PWM

As a way into getting myself back into learning more about electronics I'm trying to figure out how not to screw up configuring an Adafruit 16-Channel 12-bit PWM/Servo Driver with my pi. It's been ...
4
votes
1answer
203 views

Can Raspberry Pi B+ use a card (with Debian) configured/used with “old” Raspberry Pi B?

So, I've several SDs bearing several OSes (Debian, Occidentalis, Raspbmc) for my several Pi Bs and my question is two-fold: can I (safely) boot B+ Pi from those cards w/o a risk they will be ...
1
vote
1answer
59 views

model B wrong amount of ram displayed

I have model B with 512 MB of RAM, but htop displays 92/231MB free -h pi@raspberrypi ~ $ free -h total used free shared buffers cached Mem: 231M ...
0
votes
1answer
49 views

Scanning, OCR and adding the scanned numbers using a Raspberry PI

I asked this question on Superuser and was unsuccessful in getting enough attention (even with a bounty on it). So I'm here. System setup: The intended system will be a Raspberry PI connected to a ...
0
votes
1answer
40 views

Defining PWM ports to be used on the GPIO

Now as i have noted in previous questions i understand the PWM area of the raspberry pi is the most saturated area, but my question lies in which ports can actually be allocated as a PWM output due to ...
1
vote
5answers
92 views

Can I Use this Relay Board with pi?

Can I use this Relay Board with the Pi ? Because This board doesn't have Opto-Coupler..can i drive it from 3.3v...will It Cause any Issue for Pi
0
votes
3answers
118 views

Raspberry pi case with power supply

I need my raspberry pi to be able to plug into a wall directly and use the wall outlet as the power supply. I've done a bunch of googling and can't find anything like what I need. Has anyone seen any ...
1
vote
2answers
97 views

Raspberry PI will not boot unless I apply pressure to SD card

I have several Raspberry Pis that need extra pressure on the SD card in order to boot up. I have a temporary fix that involves scraps of envelope flaps glued onto the card but they become unstuck over ...
1
vote
1answer
264 views

What size screws does the Raspberry Pi board use?

On the model B+ there are four screws that can be used to attach your device either to a base or firmly inside of a case or other enclosure. What is the size of these screws? That is, if you are ...
1
vote
1answer
169 views

Using other camera modules to build custom webcams

I have three old iPhones (iPhone 3GS, iPhone 3G and an iPhone 4) that I recovered from family members that were going to throw away. I had the 3GS so out of curiosity I disassembled it and recovered a ...
4
votes
3answers
410 views

Does the Raspberry Pi need a cooling system?

Searching on Newegg for "raspberry pi", the results included many heatsinks and as well as a few other types of cooling systems, yet these items do not seem to appear when looking through the stores ...
2
votes
1answer
141 views

How do I choose an SD card for the Raspberry Pi?

When looking to purchase an SD card for a Raspberry Pi, what sort of considerations need to be taken into account? Are there certain cards that won't work with the system, or should all standard SD ...
0
votes
2answers
154 views

Reducing 24V to 5V for RPi PSU

I'm trying to power several devices off of a breadboard. For simplicity I want to power these all from the same PSU. The highest voltage amongst the devices is 24V. I was looking to use a 24V 2A ...
1
vote
1answer
67 views

Quadrocopter Motor Movement

A friend and I are trying to build a raspberry pi-powered quadrocopter. We've ordered four ESCs, four motors, and the Pi, but we're having trouble getting a motor to actually move. The motor makes a ...
0
votes
1answer
34 views

raspberry Pi and robots in one toolkit

Is there a toolkit that has a simple robot augmented with Raspberry Pi? The robot should have sensors that estimate robot's pose. I'm looking for simple robots. I've done some simulations in OpenGL ...
1
vote
2answers
115 views

Kit for beginners

I discovered the raspberry pi recently from an article and I have read quite a lot about it even went through some tutorials. I want to order a raspberry pi board. I would like to enquire about other ...
1
vote
1answer
28 views

Raspbian/OctoPi File Recover

I dropped my Pi on the SD Card slot. It broke and now I want to recover my files off of my SD Card, but I only see a boot partition with no relevant files inside. I was using OctoPi (3D Printing ...
0
votes
1answer
146 views

Banana Pi memory bus clock speed [closed]

I hope this is not too off-topic but I think you are the people that may most likely got their hand on a Banana Pi board and can answer my question. What is the memory clock speed of the DDR3 RAM ...
1
vote
2answers
589 views

RF24 communication with Arduino

I have been trying for ages to work this problem out and can't figure it out. I have two nrf24 transceivers, one connected to the raspberry pi and the other connected to an Arduino. My code for the ...
-2
votes
2answers
300 views

Is piglow compatible with model B+

So, can I use PiGlow with Raspberry Pi B+ And, if yes, does it fit inside a pibow enclosure.
0
votes
0answers
16 views

What exactly is a DataFlash Board (AT34DBXX) and what use is just 4MB?

Along with my DVK511 board (which I am loving), one of the boards that came with it is a SPI interfaced AT45DBXX DataFlash Board (DataFlash Board ) it came with some sample source code, and via ...
6
votes
2answers
702 views

What hardware do I need to turn Raspberry Pi into a TV remote controller?

I would like to control my TV using a Raspberry Pi. I would like my Raspberry Pi to act like a TV remote controller. What kind of hardware do I need to make it? Do I need something like IR emitter, ...
9
votes
2answers
13k views

What's the difference between the Model B and B+?

I have a Model B Raspberry Pi, but what are the differences between this and the new Model B+? Also apart from the physical differences, what could I do with a B+ that I can't do with my Model B?
0
votes
2answers
60 views

'Safe' temperatures for use

So I need to measure the temperature in my conservatory, and with all the doors shut on a summer's day it gets pretty toasty (uncomfortable for more than a few seconds). My question is what sort of ...
0
votes
1answer
100 views

Touchpad the works well with Raspbian

I'm looking for a USB track/touch/mouse-pad that is compatible and known to work well with with the Raspberry Pi running latest Raspbian image. Just the pad, no keyboard attached. Any ...
0
votes
1answer
72 views

Can I use TI Launchpad's JTAG debugger to debug Raspberry Pi over JTAG?

This tutorial describes settting up Rapsberry Pi for debugging over ARM JTAG. TI LaunchPad board also contains some JTAG things to program MSP430. It has only two wires, unlike eight in the ...
1
vote
1answer
884 views

Has anyone bought one of the new model B+

Details of the new Raspberry Pi B+ appear at raspberrpi.org; http://www.raspberrypi.org/documentation/hardware/raspberrypi ...
-1
votes
1answer
142 views

Using the Raspberry Pi with a Touchscreen Monitor

I want to buy a big touchscreen monitor for my Raspberry Pi. I'm using Debian Wheezy. I did some research and found the Iiyama T2236MSC-B1. But i dont know if it will work with my Raspberry Pi. I ...
0
votes
1answer
145 views

Connect an LCD with Ribbon Cable to Breadboard

I've purchased these two display modules, however, I am lacking the right connectors so that I can connect to my breadboard and to Pi. I would like to know what hardware I should purchase for this ...
2
votes
2answers
84 views

Best method to test if the Pi is stable after overclocking

What is the best method to test if a Pi is stable after overclocking? Primarily the CPU, but also RAM, GPU etc.
0
votes
0answers
340 views

Raspberry Pi SIM card, tethering and internet possibilities on the run

An idea just came to me, which I am not sure if any of you has done it. And if so, hopefully someone could share with me how I could achieve this. I was wondering if I could set up a Raspberry Pi ...