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

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No module named social.utils [on hold]

how do I solve this error? Traceback (most recent call last): File "facebook.py", line 11, in <module> from social.utils import parse_qs, constant_time_compare, handle_http_errors ImportError: ...
9
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4answers
1k views

Raspberry Pi hardware ID

Is there a possibility to store a hardware ID for each Raspberry Pi based device? Let's say I have 10 custom devices based on Raspberry Pi platform that are used for distributed tasks. At some point, ...
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1answer
31 views

4 inch Waveshare + RetroPi + fbcp

I've bought a 4 inch Waveshare Spotpear LCD screen (This one) and with the help from How to install Waveshare SpotPear 4 inch LCD in RaspberryPI 2? I've managed to get it mostly working. The problem ...
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0answers
18 views

Captive touch screen via video interface help

I would like to know if there is a way to use the captive touch screen via a video interface that has a 4 pin touch out cable? I believe the display portion is RGB. This is the interface: ...
3
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1answer
542 views

I need to control 8 LED's but I can only control 3? [helpful pictures attached]

I'm very new to electronics in general, but I want to build a small project where I can individually control (from a GPIO pin) 8 LED's. From what I understand, each GPIO pin on the Pi (Pi2 model B ...
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2answers
43 views

Alternative way of providing uninterrupted powersupply

I am building a Project where I Need to toggle between the power supplies of Adapter and a self power supply, Preferrablly an ac source which provides an UPS and stable supply without doing any harm ...
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0answers
47 views

Trying to modify the monitor switch to power up a Raspberry PI

I have a Xerox "a7-17i" monitor. That I am trying to modify it so when it's powered on the monitor and the Raspberry PI gets powered ON and when it's powered OFF it will turn off the Raspberry PI and ...
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0answers
27 views

Is there any raspberry pi simulator? [duplicate]

I want to test a program which turns on an led when a button is pressed but I don't have a Raspberry Pi. I'm trying to search for a simulator that will provide a means of testing using Raspbian. ...
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2answers
47 views

hdmi2vga or raspberry problem

I got a Raspberry Pi 2 and want to see if it's working. I have a vga monitor and I got an hdmi 2 vga converter. The converter is working, I tested it with the r7 graphic card. I am using a working ...
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0answers
12 views

Raspberry Pi 7" display not working

I purchased a 7" monitor back in October. I connected it to the Raspberry Pi. When I booted the unit up the display worked as it should. No additional drivers nor alterations to configurations. ...
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1answer
37 views

Universal USB Charger for Raspberry pi 2

i have a charger with 5 V output and 1.5 A output https://www.microsoft.com/en/mobile/accessory/ac-60/specifications/# i know raspberry pi 2 needs 5V 1A it is ok to use the raspberry with this ...
1
vote
1answer
68 views

SD-spring broke and short circuit, what can I try?

In the category "Well, there's your problem": Somehow the back part of the spring broke off, and the front part got bended. I'm assuming this is the reason for the actual problem. My PI won't boot ...
0
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1answer
83 views

Virtual keyboard activation

I bought a raspberry pi2 and 7 inch waveshare touchscreen. The SD card came along with the system already flashed. It turns on and everything works, but how do I activate the virtual keyboard. Do I ...
0
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1answer
30 views

Advice on designing a game [closed]

Software dev here who has never done a hardware project before. I was hoping to make a game that's usually called pixilated or similar. I would make a smallish (maybe 6x6) grid of these, and ...
1
vote
1answer
108 views

Can a Raspberry Pi Zero be used as a Wi-FI Access Point?

I just recently bought the Raspberry Pi Zero and a wireless usb adapter w/ antennas (http://amzn.to/1UH8Hd7) and I wanted to know if it could be used as a router. I know that there is no ethernet ...
4
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1answer
186 views

Raspberry Pi 2 browns out during boot up

This is the first time I am trying to hook it up. It is powered by 5V 2A power adapter. The red light keeps going off during boot up. I have removed all peripherals (keyboard, mouse and even display) ...
3
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1answer
54 views

RPi 2 - size between screw holes

I was googling for a while, but i did not found anything relevant. So, I'm asking here: "What's the size between screw holes on Raspberry Pi 2?"
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0answers
40 views

Problem with ESC, brushless motor and Raspberry Pi

I have connected an ESC (an electronic speed control) with a battery and a brushless motor. The Raspberry is connected to the ESC to control it. I know - when I turn on the program that is on the ...
2
votes
2answers
66 views

What is the function and purpose of the GPIO connector on the official display?

The official display has a 5 pin header marked "GPIO". One pin is marked "5V" and appears to be a power output. However, it is not connected directly to the 5V rail of the board which is available on ...
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0answers
31 views

Kernel Module Driver using GPIO PIN as Input

I am beginner in C programming. I want to make kernel module and user space program based on Raspberry Pi GPIO for input data on GPIO pin X. I don't want to use other library e.g. broadcom or ...
2
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0answers
28 views

How do I view gpu / h.264 block usage?

Normaly I can get this infromation from psensor but on the pi the only monitors i have access to are cpu and ram usage.
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1answer
51 views

Can I use an FT232RL USB to TTL adapter with Raspberry Pi for a GPS module?

I am just starting to scratch the surface and attempt to understand TTL and serial data ports in general, and am really just trying to put the pieces together and see if I'm on the right path. First, ...
4
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1answer
55 views

Is there a way to attach multiple serial port devices to a single raspberry pi?

I have three separate devices that all need access to a data serial port on the pi. My devices are an accelerometer, a GPS unit, and a GMS cell service chip. I've found tutorials on how to attach ...
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0answers
35 views

Google Hangouts

I have 2 questions here. One, can I use a USB web cam for something like Google Hangouts. Two, can I install the Google hangouts plug-in on Raspbian.
2
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1answer
65 views

How can I safely remove a cobbler from a Raspberry Pi?

I recently received a Raspberry Pi 2 B kit from Adafruit, which includes a cobbler. My Pi is also in a clear case, from which I don't want to remove it (I'm somewhat afraid I'll break it in half ...
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1answer
62 views

Raspberry Pi B+ (LCD-display 16x2)

I'm new to Raspberry Pi and I'm trying to get a hang of the GPIO and all that. I bought a LCD-display 16x2 with 4 buttons (http://tinyurl.com/p4kjc3z). I bought this one because it fits the first ...
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1answer
73 views

Resetting the Pi's main Power Supply polyfuse faster

I have read on Wikipedia how a Polyfuse works, and other Questions have shown that shorting out some of the GPIO Pins or other "accidents" can trip this item on the Pi. Given that the failure ...
1
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1answer
79 views

Door unlock with key (multi-point locking system)

I'm in the planning process of making an automated door unlocker for my home. The process for most of these is straight forward, but I'm having a problem creating a solution for my door type and was ...
1
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0answers
67 views

DS18B20 temperature sensor not found in folder

I've bought the camjam edukit 2 for my pi which includes the DS18B20 temperature sensor. However, after going over the instructions 20 times, rebuilding it a same amount and searching online, I still ...
12
votes
6answers
3k views

Raspberry Pi Cluster Computer

I have recently bought a Porta Pi Arcade, which is basically an RPi powered arcade machine running emulation station and retro pi. I am currently running mame, Sega genesis etc. Using the Pi 2 i have ...
7
votes
2answers
129 views

How does init get to know about power events?

I have a Pi Model B Rev 2.0 (I think) and I intend to use it for a Home Automation system. As I have a prepayment meter on my electricity supply I occasionally run out of electrons to go around my ...
0
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1answer
92 views

12v+ on Raspberry Pi Ground Pin

I am currently working on a project that requires a 12V RGB led strip controller. basically this is the controller: Please note that I am using a raspberry pi 2 and that the pins in this diagram ...
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0answers
53 views

3.95 lcd got hot,How to check if it works?

My ili9488 lcd 3.95 inch got hot, so I turned of the power then connected it correctly, but it only provide white light. I didn't tried it before this was the first time I use it and don't how to ...
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1answer
57 views

Script to suspend USB no longer works

I have a script which suspends the usb, which was working until a recent update, and no longer works. The code used to suspend is: echo 1 > /sys/devices/platform/bcm2708_usb/bussuspend It ...
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1answer
79 views

Raspberry Pi Multi-node PC?

I have an idea to build a multi-node Raspberry Pi PC running some distro (not Raspbian). But, the problem, I need to know how to hook up the Raspberry Pi's to work as one and it'd be nice to hook it ...
5
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2answers
595 views

Pi Zero Video out header

I'm still waiting to sort getting a Pi Zero, but a thought has just occured to me. The Pi Zero has 4 pins which are AFAIK something to do with video: So I have two questions: What is the pinout ...
3
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2answers
74 views

Remote controlling the PI

My father is a farmer, and he has a ball wrapper such as this one: http://www.hardwickagricultural.co.uk/controlpanel/shoppics/IMG_1266.JPG. For now, we can work quickly with it only if we are at ...
1
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1answer
43 views

Raspberry pi shows black screen for the desktop

Though the terminal works fine, whenever i start the desktop(either with startx or booting to the desktop), I get a black screen with just my mouse. I can do ctl+alt+f6, and i can still right click, ...
7
votes
2answers
3k views

Schematics/Drawings of the Pi Zero?

I'm going to try and order a Pi Zero or two (when they are back in stock...), but whilst waiting I would like to design stuff (basic lasercut case etc) so I can use them effectively. So does anyone ...
0
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1answer
36 views

16*2 screen - Join the 5V pins together

I am trying to add a 16*2 LCD Screen to an electronic boxe I am currently building, but when I connect the 5 V power supply to the screen my raspberry pi start to blink and then turn off... I tried ...
2
votes
0answers
46 views

Robot running off Raspberry Pi A+

I am participating in a competition where I need to make a motorized vehicle that goes a distance you learn immediately before competing. What I have in mind is to mount a Rasp Pi A+ and a motor to a ...
0
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2answers
34 views

Does a RasPi case exist that utilizes a key and lock for unattended datacenter usage?

I'm trying to find a case that can be mounted via Tapcons or anchors to a cement wall in which the RPi could only be accessed via a lock and key. Does anyone make something like this? If not, would ...
5
votes
5answers
799 views

Is there a component out there that can push a button i.e. will extend a rod about 1 inch and then retract it?

I'm basically trying to find something that can push a button for me. I want to be able to control it through code, just like you can with motors, LEDs etc.. via the GPIO on a Pi. I want it to extend ...
0
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0answers
16 views

Why can't I start jack1 + Pd on boot?

I am trying to use pure data with my Raspberry Pi (Raspbian Wheezy 3.18.11-v7 with a C-Media USB sound card) in order to implement some guitar effects. In order to do so, I have set up the following ...
2
votes
1answer
53 views

Combine aspects of two disk images of two OS files

I am just learning. I have installed email, bluetooth and several other items on my RaspberryPi. Now I have purchased a 5" screen to use and the drivers are on a separate img file provided by the ...
4
votes
1answer
58 views

How to measure the energy performance of Raspberry Pi against a task?

I want to measure the energy consumed while performing a repetitive task on a Raspberry Pi. One example of my usecase is measuring the energy consumed when I am sending 10,000 data packets/min to a ...
1
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0answers
52 views

RF transmission on 314.88mhz

I've been playing around with transmission of RF signals with my pi for a home automation system. So far it has been working great. However, this was just for the 433.92mhz devices. I've managed to ...
1
vote
1answer
60 views

SenseHAT: get_pixel() function

I have been making a maze game on the SenseHAT in Python. I am trying to not let the player move through walls, but it just erases them. It should use the get_pixel() function to check if the player ...
0
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1answer
250 views

ACT LED is not blinking but it is blinking for another RPi inserting same sd card

When i insert sd card to my RPi2 model B, ACT led doesnt blink but it blinks for another rpi using same SD card.SD card & ethernet is fine. Is there any problem with my RPi? If so, how can i ...
0
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0answers
8 views

Raspberry Pi : Can't connect Raspberry pi to laptop [duplicate]

I have brought new Raspberry pi2.While connecting Rpi to lapi using ethernet cable,initially i could login & i did configuration in putty. But again when i connected Rpi to lapi ,Green led was ...