0
votes
1answer
8 views

Problems with GPIO Edge Interrupts

I have the following circuit hooked up with a big button. Note: I am actually using a Pi Zero, not a Pi 2. I took some code from this example to run the following python script: #!/usr/bin/env ...
0
votes
0answers
3 views

Boilerplate c pocketsphinx mic input

What I am trying to do is have pocket sphinx get my mic input and have it then translate and based on the results compare it to predefined words and then execute a command/script. I was able to get ...
0
votes
1answer
7 views

SPI using SpiDev with LIS2DH sensor, need to send 2 repeated bytes in spi.xfer2 to get data valid back

class LIS2DH_Class(object): mySpi = 0 def __init__(self): self.spi = spidev.SpiDev() self.spi.open(0,0) self.spi.max_speed_hz = 10000000 #10 Mhz is max limit on LIS2DH SPI communication ...
0
votes
0answers
5 views

Is it possible to fix the “cannot find -lgcc” and “cannot find -lgcc_s” error messages when using arm-linux-gnueabihf-g++ as a linker?

I get the following error messages: ./Downloads/tmp/usr/bin/../lib/gcc/arm-linux-gnueabihf/4.6/../../../../arm-linux‌​-gnueabihf/bin/ld: cannot find -lgcc_s and ...
0
votes
0answers
3 views

How long to short RUN pin on pi zero to initiate boot? [duplicate]

I've been working to design something that can automatically short the RUN pin to GND when I want to turn my pi zero on from a full poweroff. The RUN-GND short works well to turn it on, but does ...
0
votes
0answers
5 views

How to enter Recovery Mode without USB keyboard?

At boot, I know you can enter to Recovery screen by holding shift. However, I don't have access to a usb keyboard for now. However, a bluetooth keyboard is configured with my Raspberry Pi 3, but it ...
0
votes
0answers
10 views

5V Pin and i2c (GPIO Expander MCP23017) acting VERY strange

This is the case, I've got an MCP23017 IC to expand the outputs on the Raspberry Pi 2 as the others are going to be used (A0 A1 and A2 connected to 0V and RESET pin connected to 5V). Here are the ...
0
votes
1answer
9 views

Sharing ground with the outlet power source

So, here's the theoretical setup: 220V outlet to which a 5V USB power source is connected, powering the RPI. That outlet powers some other 220V consumers (such as a lightbulb). Lets say I have a GPIO ...
0
votes
0answers
2 views

Bluetooth can't hold connection for more than a few seconds

My brand new Raspberry Pi 3 Model B V1.2 can't stay connected to my OBD-II Bluetooth adapter for more than three seconds before disconnecting. I've tried removing and adding it back to no avail. I've ...
1
vote
0answers
8 views

Raspberry Pi 3, can't connect to more than one bluetooth speaker via pulseaudio

I'm trying to get two bluetooth speakers connected via the native bluetooth controller. The first one connects and plays audio just fine. The second one never connects. Since I've searched and found ...
0
votes
1answer
6 views

Networking in raspberry pi over Ethernet and UART at the same time

Is it possible to have two simultaneous networking connections (one over Ethernet and other over UART using UART to Ethernet adapter)? I also want to know if these two connections can have different ...
0
votes
1answer
20 views

Error: Cannot move to subdirectory of itself ? Raspi 3

I am running this simple script and I am trying to create a cron job so that the file gets copied to my thumbdrive (with the new name) sudo cp /home/pi/NewLog.log /media/usb sleep 20 cd ...
0
votes
1answer
20 views

GPS Hat readings and speed consistancy

I bought this gps hat https://www.adafruit.com/product/2324 for my Pi 2 with the intention of making a tracking device. The way it works is that every 1 minute, latitude and longi is sent to my ...
0
votes
1answer
18 views

Raspberry Pi 2 Camera and Alpinelinux

How do I make the camera work? I installed v4l-utils, but v4l2-ctl is not working because /dev/video0 isn't there. And raspistill says that it needs the camera to be enabled via raspi-config, but ...
0
votes
0answers
6 views

ble modules/libraries for python 2.7.9 on raspberry pi 3 for scanning beacons

I got the beacon result printed on linux (raspbian) terminal through command sudo python testblescan.py [source code: https://github.com/switchdoclabs/iBeacon-Scanner- ], but when I try to run the ...
0
votes
1answer
19 views

clutter deprecated

I am trying to build Linux Mint's cinnamon DE on Ubuntu 14.04 (rpi2b) but I get this error on the make command, can someone help? CC libst_1_0_la-st-bin.lo st/st-bin.c: In function ...
0
votes
1answer
22 views

When I compile with arm-linux-gnueabihf-g++ version 4.7, I get error while loading shared libraries: libstdc++.so.6

When I compile with ./gcc-arm-linux-gnueabihf-4.7-master/bin/arm-linux-gnueabihf-g++ -c Steph.cpp on an Ubuntu Linux 16.04 machine which already has gcc 5.3.1 installed: I get the error while loading ...
1
vote
0answers
14 views

Does Raspberry Pi 2/3 supports PNaCl?

I have Raspbian and Chrome-OS in different SD cards. My initial tries shows that both official repos hosts a version of Chromium, but they had NaCl disabled explicitly. Will it work if I compile ...
0
votes
0answers
27 views

Send uart commands through bluetooth

I bought a raspberry pi 3. I ordered the Move controller it's a Kickstarter project. They use the phone to send uart commands through Bluetooth and they put a Dev documentation online. What I fail ...
2
votes
1answer
24 views

Python 3.5 and pip on Raspberry Pi 3

I'm developing a new application and my first in Python on the raspberry pi. Is there any disadvantage to using python 3.5 vs 2.7? The application will be strictly console not x11. Are all the ...
0
votes
0answers
27 views

SSH does not show prompt after successful password exchange over WIFI

I was able to initially login over Ethernet cable. When I switched to WIFI everything goes well it seems but the terminal hangs after successful password exchange. It only works over the WIFI ip if ...
0
votes
0answers
3 views

amixer doesn't show output devices

On my RPi3 with a custom buildroot environment I get this output: # amixer Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono ...
0
votes
0answers
13 views

Can you change the mouse focus?

I'm reading book about the command line and it mentions that some OS's had an option to change from having to click the mouse to focus on a window to receive input and having to just scroll over the ...
1
vote
2answers
32 views

Raspberry Pi 3 WiFi Driver

What is the driver for the built in WiFi adapter on RPI 3? I am trying to make my pi a Wifi hotspot and I need the driver name.
0
votes
1answer
18 views

saving GPIO data to sqlite using python, retrieving dynamically using php

I am try to make a game for my son, it has 2 vibration sensors that represent Balls and Strikes (for baseball). When a sensor is hit I have a loop that adds a tick to either the strike or the ball. ...
0
votes
0answers
6 views

Pi 3 Raspbian and midori video problem

Setup is Pi 3 fully updated Raspbian OS updated Midori and Epiphany and Kodi. I can stream through Kodi just fine but I need to be able to view embedded video as well on websites. I've done the add ...
0
votes
2answers
37 views

Unable to get Raspberry Pi IP

I'm new to this and I have a problem that I'm strugglin' with and I really hope someone can solve it. I've headlessly installed my RPi but I'm unable to find the IP address of it and SSH to it. I ...
0
votes
0answers
30 views

Python script runs in RPi 2 but not RPi 3

I used the code provided in this tutorial and successfully ran it on the RPi 2 but when I follow the same steps on the RPi 3 it won't work. The shell just says: >>>=====RESTART===== ...
0
votes
0answers
12 views

Monitoring a Generator, Send email per relay state

I need to monitor the state of a generator. When the generator turns on ( testing or power failure) there is a relay that goes high/low. I can read from either state. I need for the pi to send email ...
0
votes
0answers
7 views

va_getDriverName() returns -1

I'am trying to receive a video stream on a Raspberry Pi 3 with Gstreamer. I have installed most libraries related to Gstreamer-1.0 but i'am getting this error: pi@gunpi:~/gunshow/New $ ...
2
votes
0answers
16 views

Why Does raspi-config Depend On triggerhappy?

As far as I can tell, triggerhappy is a daemon for handling custom input. Since I have no direct use for this functionality (and there are no rules in /etc/triggerhappy/triggers.d/ by default) I want ...
1
vote
0answers
20 views

Red light only when plugging Pi2 into AV-Receiver via HDMI, TV works

When I try to plug my Pi2 into my A/V receiver via HDMI and plug in my power cable afterwards, the red light lights up, afterwards the green light lights once and then nothing. When I plug in the ...
0
votes
0answers
9 views

Video presentation on RPi3 with SDL2

I had successfully followed the LazyFoo tutorials to basic shape/image rendering and am getting over 30 FPS on my RPi3. My next stage is to get video file rendering working. I had used the following ...
0
votes
0answers
8 views

GroveGPS to raspberry pi

My raspberry pi is Raspberry Pi Rev 2 Model B 512MB made in UK. Use GrovrPi not grovepi+. I try to use them with Grove – GPS. And I run the program which copy form ...
1
vote
1answer
13 views

can't save video with opencv 3.1 windows

i'm trying to capture a video using opencv 3.1. I'm using the following code, but when I run it on pycharm, a small window opens (according to task Manager it has something to do with video ...
0
votes
0answers
8 views

Bluetooth LE on Raspbian disconnects devices after few seconds

i'm using Bleno (https://github.com/sandeepmistry/bleno) for a small BLE project. I've started with no problems on Raspberry Pi2 but switching on Pi3 i found that: If i connect to my "BLE Pi3" i ...
-1
votes
0answers
17 views

How to add hardware to Arduino IDE on Raspberry Pi [on hold]

We have a 802.15.4 USB board that we would like to add to the recognized boards in the Arduino IDE. We add the files that are supposed to help Arduino identify the USB board in ...
1
vote
1answer
32 views

Weird corruption? Showing garbage on command-line?

I got a few new RPI3, with (Intenso) 8GB (class 10) SDHC cards and a original RPI PSU (5V / 2.1A). Im running into a few very weird problems, after i installed RVM + Ruby i rebooted the system. Then ...
-1
votes
1answer
22 views

How to execute matlab code on a Raspberry Pi?

I have running matlab code. I just want to execute that code on the Raspberry Pi kit. Please tell me the various ways of doing it.
0
votes
1answer
18 views

Raspberry Pi resetting across reboots

My RPi 3 seems to have run into a strange problem. Everytime I reboot it, it seems to reset all my settings, namely Keyboard layout and taskbar icons some other setting as well. Also if after a ...
0
votes
0answers
14 views

I can't use more than 1 pin from the arduino when I connect it to raspberry pi b , I want to use all of the arduino pins how could I do this

the purpose is that I want to make a GUI to read from 20 switches either HIGH or LOW and display it on a labels . I start connecting 8 gpio as inputs and connect 12 input pins to the arduino to read ...
0
votes
0answers
12 views

how can i solve problem of raspberry pi window starting?

I am start raspberry pi window all the operation of initialization of command are completed but start window not display... So how can I do for getting starting window. only blank screen which is ...
0
votes
1answer
29 views

raspbian : How do I both enable built-in wifi and SPI interface for pi3?

The problem is that I need to disable device tree to let SPI work successfully, but it results in malfunctioning built-in wifi and bluetooth. Thanks in advance. uname -a linux raspberrypi 4.1.19-v7+ ...
0
votes
1answer
20 views

Can you run 32 bit Icecat on Rasberry pi3 or iceweasel

I am am very new to this. I just got my RPi3 loaded, Raspbian (NOOBS) and tried node-red, but found a problem typing in function. I found out it was the browser's fault. Now I would like to install ...
0
votes
0answers
26 views

Use a PIR sensor to detect motion and activate a piezo speaker

Im trying to write the code for a program that will use a PIR sensor to detect motion and then trigger a piezo speaker. I was following this tutorial https://pimylifeup.com/raspberry-pi-motion-sensor/ ...
1
vote
0answers
26 views

USB Microphone Raspberry Pi

I am using Raspberry Pi 3. What I am trying to do is test my USB microphone. I first type in "lsusb" to see if the raspberry pi detects my device. It does. "BUS 001 Device oo8: ID 0d8c:013c C-Media ...
1
vote
0answers
13 views

Raspberry Pi 2 Motors Moving on startup and Shutdown H-Bridge Chip

I am making a tank rc car with the Raspberry Pi (model 2) and running the 2 DC motors with an L298N H-Bridge Motor Driver Board. I am using Putty (free SSH client) to SSH into my Pi (running raspbian) ...
1
vote
1answer
38 views

Power Raspberry Pi 2 From vehicle battery

I have seen many tutorials and blogs of people setting up their PI 2 in their vehicles for media systems etc. I would actually like to attempt the following however I am unsure how to power the pi. I ...
0
votes
2answers
25 views

Is it possible to limit the bit rate on the BCM43438 chip via the BRCMFMAC driver?

I'm using a Raspberry Pi 3 as the platform for a project whose requirements include acting as a WiFi access point as well as connecting to a wide variety of WiFi routers. Unfortunately, the WiFi ...
0
votes
0answers
3 views

Measuring frequency-decibel spectrum of an audio input

What components and programming techniques could I use to measure the frequency-decibel spectrum of an audio input (i.e a microphone)? The system is basically a raspberry pi with a microphone (any ...

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