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

learn more… | top users | synonyms (1)

0
votes
1answer
16 views

Pi 2 Model B, display and TNC-Pi

Firstly I am new to the Raspberry world.I have purchased the following and it does not seem like they are compatible pin config and board/hole position. I noticed that the older PI had less PINs for ...
-1
votes
0answers
36 views

Will there be a Raspberry C? [on hold]

I heard that there will be a Raspberry C soon. Is it true? Will there be WiFi included? What kind of CPU will be included: an ARM BroadCom one ?
2
votes
2answers
61 views

Resetting I2C? Or did I break my chip?

I'm connecting a TS45315 light sensor on an Adafruit breakoutboard to the I2C bus of my Raspberry. I access the data through the following simple Python script: ...
1
vote
0answers
16 views

Edimax EW-7811UN not detected by Pi, works fine on a PC

Hoping someone could help verify something for me. Up until a few days ago, my Edimax EW-7811UN was happily buzzing along. I was playing around with the GPIO pins when suddenly I noticed the blue ...
1
vote
1answer
57 views

How to wire up a DHT11 temperature sensor

I'm a Raspberry Pi (and hardware) noob and am trying to hook up a DHT11 temperature and humidity sensor. I've found two separate guides, and I'm seeking advice as to which I should follow. This UU ...
2
votes
1answer
219 views

Which raspberry pi model for playing with electronics, maybe more?

Raspberry Pi beginner here. I've been looking at these beasts for a while. I'm very comfortable with programming and command line, but want to start playing around with electronics powered by ...
0
votes
1answer
31 views

New Raspberry Pi SPI Interface Question

I was looking at the new Raspberry Pi. I wanted to know if the SPI Interface will be able to sample at a higher sampling rate. Does anyone have any information on this? According to this page, the ...
0
votes
1answer
32 views

Struggling with installation of Raspbian on sd card from a Windows 8 Machine

I am a first timer asking question here, and also a new Raspberry PI user (well, potential user). So, I bought a new raspberry PI 2 with 16 GB SD Card yesterday. The SD card was without Noobs, so I ...
4
votes
3answers
243 views

Using Wi-Fi Adapter reboots Pi

I'm using an Edimax EW-7811Un in my Raspberry Pi 2 under Raspbian. Version is Linux stickpi 3.18.7-v7+ #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015 armv7l (or at least that's the closest I can ...
1
vote
1answer
61 views

How to access SPI on Raspberry Pi B+

I tried searching here and other places. What is the best way to access the SPI and get the fastest speed out of it. My project involves interfacing the Pi with an ADC that is rated for 5Msps ...
7
votes
2answers
606 views

Should GPIO pins 13 and 14 be soldered together?

I just bought a new Model A+ board, and noticed that the GPIO pins 13 and 14 (board pins 21 and 23) are soldered together on the backside. This was not the case with my previous A+ board: see the two ...
2
votes
1answer
41 views

Accessing ADXL345

I'm trying to access an ADXL345 Accelerometer mounted on a Sparkfun breakoutboard via Python and I2C from a Raspberry B+. I'm following this tutorial However when trying to check for the sensor with ...
0
votes
1answer
36 views

Hire PI Developer to develop an analyitcs box based on raspberry pi

I am working on this new project to monitor signals from an STB box. I need a PI box to interface with the STB and i am looking for a PI developer? How do I hire someone?
1
vote
1answer
29 views

Can I span cable before microUSB input of Raspberry Pi without damaging it? [closed]

I have a Raspberry Pi B+ and I need to provide an external PCB with 5V|(~1A) which is controlled by RasPi. Since I assume that I cannot use GPIO pins to provide PCB with ~1A (as the current I need is ...
0
votes
1answer
145 views

LIRC / Raspberry PI 2 , No input

I want to use LIRC with my new RPI 2. To do that, I followed this tutorial. Basically it is telling me to do the following: Add this to your /etc/modules file: lirc_dev lirc_rpi gpio_in_pin=25 ...
3
votes
1answer
54 views

Piezo wiring for Raspberry Pi

I have a piezo element that I got from a song card, it looks like the one at: https://www.sparkfun.com/products/10293, and I was wondering whether it was safe to connect to my raspberry pi without a ...
1
vote
0answers
12 views

Developing drivers for HATs: is this a good practice?

I have designed a few HATs. Now about driving it, does this sounds like a good way doing it? The architecture described below is the driver layer designed for my custom kernel, but a stripped down ...
0
votes
0answers
46 views

Using Android phone as microphone for R PI B+

I'm planning to use Jasper for voice control on my Raspberry Pi B+. However, there are no microphone sockets and I do not have a USB mic. I would like to know if there is any way I could use my ...
1
vote
2answers
37 views

What are the possible OUIs for the Ethernet MAC address

I'm setting up a computer lab in which many Raspberry Pis are going to acquire IP addresses via DHCP. I'd like to have the DHCP server to differentiate between Raspberry Pis and other clients. What ...
0
votes
1answer
53 views

Can you back power the RPi2B? [duplicate]

I was wondering if the Raspberry 2 Model B can be back powered. From what I see here it should be possible. But in various other places it's been said that for the B+ it isn't possible and the 2B ...
1
vote
1answer
44 views

Raspberry Pi to sync lights to audio input from PC

So I'm wondering if it's possible to make the Raspberry Pi sync lights to sound coming from my PC. I would use an usb soundcard for a sound input and a usual audio cable. Right now I'm running ...
0
votes
1answer
33 views

Downloading Pictures From iPhone 6

I use gphoto2 to download pictures from my iPhone 5 to my Raspberry Pi. Since I upgraded to an iPhone 6 I only get an error telling me that it is "unsupported" device. Are there any alternatives? I've ...
0
votes
0answers
133 views

Using Raspberry Pi with Arduino GSM/GPRS Shield

Raspberry Pi Model B GEEETECH Arduino GPRS Shield V1.0 (bought from: bit.ly/1G0KYR7) ^ Similar somewhat to: Seeed's GPRS Shield V1.0 | Link: seeedstudio.com/wiki/GPRS_Shield_V1.0 (has more ...
1
vote
1answer
50 views

Can I make a bridge between GSM Arduino shield with a Raspberry Pi?

I am trying to do some work with Raspberry Pi, however, I have GSM Arduino shield laying at home. I want to give a voice-call using it. However, I still wondering how can I interface voice/mic, ...
0
votes
0answers
22 views

web server error-403 Forbidden error

I need help with a problem, I have, BOA installed, Now, inside my /var/www, I have more folders: so my fill tree is more like: /var/www/main-site Now, what I have is, at /var/www/index.html there ...
0
votes
0answers
24 views

Isnt Raspberry PI Fully open source hardware yet? [duplicate]

Almost ALL mobile processors are ARM, but sure a design can be made with an ARM Processor which is open source. This question is different from the question asked on How is Raspberry Pi "open ...
3
votes
1answer
103 views

Simulate GPIO pins

I would like to do some simulation of the Raspberry's GPIO pins, e.g. for automated testing and developing the scripts on another host that is not the RPi. Are there any existing ...
2
votes
2answers
78 views

Powering several LEDs from GPIO output

I'm currently working on a "rotating cube" project where a raspberry pi will be used to determine which cube face is at the top and any given time using an accelerometer and light it up with LEDs. ...
1
vote
1answer
1k 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 ...
1
vote
1answer
55 views

How can I send commands from Arduino to raspberrypi

I am making my baby-steps using raspberrypi. I am stuck in something. I am building a device that combine arduinà with raspberrypi. There are some sensors connected to arduino and others to Raspa ...
3
votes
2answers
110 views

Raspberry Pi Ethernet port not working after thunderstorm

I have a Raspberry Pi (512 Mb ram) running Arch Linux ARM, connected to my router working as a vpn server. After a thunderstorm, the Ethernet port stopped working. It won't even blink anymore. The ...
0
votes
1answer
177 views

Connect an android tablet touchscreen to a pi?

I have an android tablet(versus touchtab 7v dc) that unfortunately doesn't work any more. I wanted to know if there is any way I can salvage the touch-screen from the tablet and use it as a display ...
4
votes
2answers
136 views

Power regulation circuits on B+ vs 2 (light sensitivity)

I've seen recent articles on the Raspberry Pi 2 being affected by a light source (http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=99042) . Apparently the cause is in the power regulation ...
0
votes
1answer
32 views

Raspberry pi ventilation needs when in enclosure [duplicate]

I am building a hollow book raspberry pi enclosure which has a small screen inside. Do I need to drill holes in the top of the book to allow heat to escape?
0
votes
0answers
112 views

controlling rgb led strip via spi and node js

I recently purchased a pi and a string of individually addressable rgb led lights from shenhzen kapata (actually amazon, but they're the ones who sell it) and I'm trying to control it with my ...
0
votes
1answer
61 views

Raspberry Pi newcomer questions

I have the Raspberry Pi model b+ 512mb and 8gbs noobs edition. I was wondering what basic programs i should install like a way to eject usbs. I am mostly used to windows but i do like using ubuntu ...
0
votes
1answer
60 views

Raspberry Pi GPIO pins stuck high after using L239D chip

I am attempting to run a remote control car via the raspberry pi. I setup a L239D chip circuit following this guide. ...
0
votes
0answers
37 views

Atrix Lapdock Mounting Solution

I was wondering if I could mount a Raspberry Pi on the back of the Atrix Lapdock if I would be using it connected to the Pi as a laptop. I asked a simmilar question here and was told the Sugru might ...
2
votes
1answer
1k views

Is there a 802.11ac dongle for the raspberry pi or pi 2?

I am looking for a 802.11 ac dongle for the raspberry pi 2 actually. Is there such usb a dongle on the market with drivers for the pi? Edit: To be clear I understand the USB2 bus will limit the ...
1
vote
1answer
64 views

Looking for Optically isolated input board for Raspberry Pi

I am looking for a board with that is able to take a ~12v signal and and send 3.3v to the Raspberry Pi. I have drawn up a quick schematic of what the ideal board would be like (with screw terminals ...
4
votes
3answers
339 views

Do the GPIO registers have the same addresses on the new Raspberry Pi 2?

So I just found out that the Raspberry Pi 2 came out, and I'm wondering whether stuff like this would work on it without any modifications (except for recompiling it for ARMv7 of course). This piece ...
0
votes
1answer
123 views

Integrated Pi Laptop with the Atrix Lapdock

I always wanted to make a Raspberry Pi laptop and when I saw the various videos and tutorials on how to use the Atrix Lapdock to make one I was impressed. The one problem that I had was that when ...
0
votes
1answer
54 views

Which one to choose for project work?

Hi I'm a final year college student (Engineering) and I'm trying to build a hexapod (spider like robot) for my final year project. The bot should be able to Livestream (Video and Audio). So my friends ...
1
vote
0answers
141 views

Can Compute Modules clustering and availability?

I am very interested in Compute Modules, but have a few concerns: The main press release (linked above) for Compute Modules states that these systems are "primarily designed for those who are going ...
1
vote
1answer
98 views

Where can I buy Compute Units?

I see a lot of media hype surrounding Raspberry Pi Compute Units circa April 2014, but to my surprise, I can find no websites (even Ada Fruit) that actually sell them. Additionally, because I can't ...
2
votes
1answer
105 views

Touchscreen Pi GPIO Connection

I'm working on David Hunt's Touchscreen Pi Timelapse Controller (https://learn.adafruit.com/touchscreen-pi-timelapse-controller/overview) and have encountered some difficulty in the the hardware ...
0
votes
0answers
54 views

Hardware for Hyperion

I'm planning to build an ambient lamp, and I like the features that the hyperion has. First, I was going to get these LED's: (WS2801) Addressable Color 12mm Diffused Digital RGB LED Pixels Lights ...
1
vote
1answer
85 views

How to keep my Hard Drive safe (physically) [closed]

Strictly speaking, this is a Banana Pi question. However, one might want to do something similar with a Raspberry Pi, so I consider it appropriate to ask here. Hope I'm right. Now the Banana Pi has ...
0
votes
1answer
122 views

Gameport to USB?

I have a Microsoft SideWinder Game Pad (Part Number: 90873) that I want to use with my Raspberry Pi RetroPie. I have the pinout and want to replace the GamePort end with USB. I followed the ...
1
vote
1answer
71 views

My raspberry pi only have the green led on (model B+)

Yesterday I connected my RPi to the TV, but there was a problem. The red LED doesn't blink, but the green LED is on. I've change the microSD but It didn't help. I use a 700 mA power supply, and tried ...