Questions tagged [hardware]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
845 views

Connecting to mobile network on startup using ppp0

I have a sixfab 4G LTE shield and the module through which I connect my RPi to cellular data. It requires few commands to be executed in order to connect. How do I make it run only once post startup ...
2
votes
1answer
591 views

How do you clean the hardware?

For those people who made the mistake of letting dust settle on the delicate components on the Pi, this is for you. I have had my Raspberry Pi for two years now, and for the majority of that time it ...
1
vote
1answer
1k views

Raspberry Pi Zero hardware based video encoding

I'm trying to build a dashcam with a Raspberry Pi Zero with an official Raspberry Pi Camera (version 2) in an official Raspberry Pi Zero case mounted with a old GPS device cradle. I installed motion ...
0
votes
1answer
299 views

Kernel panic on shutdown/restart when relay board connected

I have a 3B+ with an added relay board. It's running Rasbian Stretch Lite (Linux blinky-stockholm 4.14.69-v7+ #1141 SMP Mon Sep 10 15:26:29 BST 2018 armv7l GNU/Linux) It seems like, if the relay-...
1
vote
1answer
75 views

Music Sequence, which hardware and software is best? [closed]

This question is supposed to be subjective.. well I need to ask this one way or the other... soooo: As a project I wanted to create my own music sequencer (like a drum machine or synthesiser) from ...
1
vote
0answers
163 views

Faulty Ethernet interface?

After running apt-upgrade on a Raspberry Pi B+ 512MB to bring it to the current version of Raspbian GNU/Linux 9.4 (stretch) the Ethernet connection stopped working. The interface's behaviour after a ...
0
votes
1answer
163 views

getting the sound and mic to work from google aiy kit on your own image

I bought and installed the Google AIY sound kit and am trying to get it to work with my own image. i followed their hacking.md file and installed all the hardware drivers but "arecord -l" shows no ...
0
votes
2answers
85 views

RP3 isn't working after months of not using it

So, I haven't used my RP3 for months because I was busy with other things to do like school and exams. Now when I took out my RP3 and plugged it into a power supply, I noticed the power goes off after ...
4
votes
1answer
131 views

How does the hardware cause long delays?

I want to write a bit-banging driver for a Raspberry Pi 3. For testing I developed a simple Linux kernel mode driver which toggles a GPIO pin with approx. 1Mhz. Here is the code excerpt. static ...
1
vote
1answer
879 views

luma.core.error.DeviceNotFoundError: SPI device not found

I'm trying to setting up my new Dot Matrix MCU LED Display Module 8x32 with MAX7219 on my Raspberry Pi 3. I followed all the steps here https://max7219.readthedocs.io/en/0.2.3/ and of course using ...
3
votes
1answer
150 views

Everything is dead, but Pi 3B still boots

I left my Pi 3B (V1.2) alone, running a 64-bit build of Debian for a project. Everything was fine. When I returned, however, I found that everything was dead. Nothing was connected to it, by the way. ...
0
votes
1answer
67 views

Using Raspberry in Nanosatellite [closed]

I want to use raspberry pi in space projects like cubesats. I worry about effects of space radiation on raspberry.Is this possible to do?or i need to choose another board or something like that?
-4
votes
1answer
106 views

Can we manufacture a product using same board design as Raspberry Pi?

If we program an app on Raspberry Pi, can we duplicate the Raspberry Pi hardware design, manufacture our own boards, and sell them as our product without paying license or royalty for the hardware ...
1
vote
2answers
1k views

Cannot Detect LIDAR Lite v3 Raspberry Pi 3B+

I am trying to connect my Garmin LIDAR Lite v3 sensor to my Raspberry Pi 3B+ via i2c interface. However i2cdetect on the command line returns dashes for every address. I'll try my best to clearly ...
0
votes
1answer
3k views

Toggle state to trigger a function with a button in Python - loops on and off and need help [closed]

I’m trying to use a button, in this case an Amazon Dash Button, to trigger two functions - i.e. push once it activates one function, push again activates another. I have tried setting a state to the ...
2
votes
2answers
2k views

Raspberry pi for extreme outside using

I want to use raspberry pi for a vehicle park project. The Raspberry will stay in a metal box and it will never power off. The metal box is waterproof but its in middle of a empty area so it will get ...
1
vote
1answer
191 views

Temperature variations affect NTP server accuracy

I have a ‘fun’ problem I’m trying to sort out. Bear with me! I’ve been running a Raspberry Pi 1 B+ for a year or so as an NTPsec Stratum one timeserver - using the GPS Hat (Here’s how you can make ...
1
vote
0answers
428 views

Connecting Pi to an OPC server

I want to connect a Pi to an OPC-DA server to acquire data over an Ethernet connection. Does the Pi's Ethernet port function for non-internet uses? Extra twist... if I want to connect to both the OPC ...
0
votes
2answers
1k views

Rpi Zero W ( not Rpi 2,3 ) - power consumption, idle and GPIO operate [duplicate]

Spec wise - all raspberries require 5v 2A input. My project needs multiple remote rpi’s to send periodical status of GPIO using python script ( runs on Raspbian Strech Lite ). Is a 2A a must ?
0
votes
1answer
55 views

Connecting pins from multiple pi's

I have read here (and many other places) that connecting pins 5 and 6 will wake a Pi from sleep/standby. I have a few pi's that will be shutting down remotely at the same time. I would like to connect ...
1
vote
0answers
113 views

Toshiba TOSVERT VF-S15 VFD and USB001Z

I'm currently trying to drive an AC Motor using the TOSHIBA TOSVERT VF-S15 Inverter and the USB-to-serial communication unit USB001Z. The problem is that the rpi recognized the USB001Z but it seems ...
1
vote
0answers
447 views

Hardware setup for LED with external power supply

I am looking for help to use a raspberry pi 3 as a multiple LED switcher. The setup should be: 6 LEDs at 3W, 9.6V and 300mA (each!) a external power supply for the LEDs a breadboard to put everything ...
2
votes
1answer
734 views

What are the vcgencmd measure_clock 26 and 50?

There are 2 clock sources that are not officially (?) listed with a string id available to the vcgencmd measure_clock command. # for i in {0..255}; do vcgencmd measure_clock $i; done | grep -v "=0" ...
0
votes
0answers
694 views

How could I write a C function using the wiringPi SPI library to read the X and Y measurements from this 2-axis inclinometer?

How would one use the wiringPi SPI library (http://wiringpi.com/reference/spi-library/) to get the x and y readings from this SCA100T inclinometer? I understand that the function wiringPiSPIDataRW() ...
0
votes
0answers
118 views

ADC Hat with 8 differential channels and 24 bit resolution for 100 - 200 SPS (Hz)

I'm sorry if there's a similar post, I could not find it (them). As the title implies, I'm looking for an ADC hat for the Rapspberry Pi 3 Model B with 8 differential channels to sample up to 200 SPS (...
18
votes
1answer
23k views

Raspberry Pi Zero W is ARMv6 or ARMv7?

I would like update Node.js to the latest version and I need to choose between ARMv6 and ARMv7. From the package manager point of view this is an ARMv6 processor and dmesg tells it is CPU: ARMv6-...
1
vote
1answer
3k views

Why is my pi camera v2.1 detected but not taking pictures?

Thanks for your help. Yesterday I moved my Raspberry Pi cam v2.1 with the rpi robot chassis and the camera won’t take pictures. But, the day before, the camera functioned properly. Why do you think ...
2
votes
0answers
213 views

Raspberry Pi remap DPI pins [closed]

I'm trying to hook up my Raspberry Pi a to custom display hat via the parallel display interface (GPIO Pins, not ribbon cable). The problem I'm facing is that the DPI pins are rather awkwardly placed ...
1
vote
1answer
540 views

Will accidentally powering a pi with more than 5V break it?

I have a variable power source(5V, 6V, 9V, 12V, etc...) with a usb plug which I had powering my pi 3B a few months ago, but one day (a few months ago) I accidently had the power source set on 6V(it ...
1
vote
1answer
784 views

Raspberry Pi 3 Model B- 3M Touch Systems

I connected yesterday a Raspberry Pi 3 Model B at a 3M touch Systems touchscreen. For installing I followed this tutorial that I found here: Inverted GPIO Touchscreen (Using 99-calibration.conf) What ...
1
vote
1answer
203 views

Trying to drive monitor backlight with gpio

Project: I am making a Pi powered photo frame with google photos integration. Object: I have added a pir sensor for auto screen off when no activity is detected and now i am looking to control ...
0
votes
0answers
93 views

Raspberry pi not booting nor screen showing any colors

So I just took off my raspberry pi and clean it with wet tower and dry it completely off. When i then boot into it, it was completely normal then I started to notice that the green light is not ...
0
votes
1answer
1k views

unable to install e-paper display, module epd2in7 not found

I bought a 2.7inch e-Paper HAT, I install everything but when I try to run a code I have Traceback (most recent call last): File "demo2.py", line 1, in <module> import epd2in7 ...
0
votes
1answer
448 views

Can Pi Zeros be used in a cluster like Pi 3s?

I am planning to run a cluster of Raspberry Pi Zeros. I know we can do it with a cluster of Pi 3 boards but I want to know is the same possible with Pi Zero?
1
vote
2answers
30k views

Where do I plug in a 5V mini fan on a Raspberry Pi?

I have a Raspberry Pi 3 Model B+. I am currently installing the Pi into a Super Tinytendo case, which came with a built-in mini fan. However, I'm not sure which set of pins I should plug the fan into. ...
0
votes
4answers
6k views

What cooling is the most effective for the RPi 3B+?

I've been doing some research with the new RPi 3B+, but have been struggling to find much information about effective cooling for overclocking. I have seen some solutions such as Heatsinks (small ...
4
votes
3answers
830 views

Unformatable SD-cards; goto trash?

Some time ago I installed Raspbian and Kali on two microSD-cards. It was also some time ago when I tried to format them - without success. I put them aside. Yesterday I thought I try again. I used a ...
7
votes
3answers
2k views

What components would I need for my Pi to safely detect a 12V automotive circuit on GPIO?

I'm rather new to logic circuits and I'm trying to figure out which component I need to complete my project. I'm attempting to make a backup/reverse camera. When I shift into reverse, 12V is sent to ...
0
votes
1answer
163 views

Using Raspberry pi as I/O Board over the Network [closed]

I was trying to set up Jasper on my Raspberry Pi. While the programm was running fine I wasn't quite pleased with the performance. So i was thinking to run Jasper on a more powerfull machine and the ...
3
votes
1answer
4k views

Camera gets hot, how much power should it dissipate?

I planned to add the chinese NoIR RPi camera in a birdhouse. First tests revealed, that the camera module heated up to 65 ⁰C. The IR LED's were very warm too. How much power is dissipated by the ...
1
vote
1answer
288 views

What happens if throttling back doesn't help on high temperature? Does Raspberry Pi power off?

I recently asked this question asking if the temperature was handled by hardware or software and someone told me that it was handled by raspberry pi firmware (hardware). Appearently performance is ...
-1
votes
1answer
2k views

Hardware PWM for Python 3.5 or higher?

I am developing a camera tracker to follow objects identified via OpenCV in a dedicated environment on mt Pi3. Currently the two SG90 servos are controlled by software PWM using RPi.GPIO - but the ...
0
votes
1answer
392 views

False-positive button press on power interference

I'm having a rather funny issue with GPIO & tactile switch. The issue is as I understand purely electric. My RPi is connected to a cheap usb "Extreme Style 5V 3.1A" PSU. Same power outlet is ...
0
votes
0answers
31 views

Raspberry pi hard drive powering but not showing [duplicate]

So I finally got my sata hard drive to power Directly from the raspberry pi 3 USB ports. But now when I plug it in and it powers on once I get on to the raspberry pi 3 it does not recognize or even ...
1
vote
0answers
49 views

Does the Pi GPU active state turn on all the QPUs, even if all are not being used? [closed]

I have a USB power meter bridging the power supply and my Pi's power adapter. I wanted to measure the power consumption for Pi's GPU when it is handling various processes. Using QPULib, a library that ...
1
vote
1answer
71 views

digital pot motor control

I a using a MOT-B24400 motor which has a built in controller and only needs an external 5k pot to control the speed, plus power of course. I have this wired to a relay with a button to send a signal ...
0
votes
1answer
594 views

LIRC won't recognise IR commands

I want to control my RaspberryPi B+ 1.2 using a remote control. I did the steps according to several tutorials but I can't get mode2 -d /dev/lirc0 to output any pulses. /boot/config.txt [pi1] kernel=...
0
votes
1answer
43 views

Difference between 2 sd cards [closed]

What is the difference between this card Sandisk extreme 32 go and this Sandisk extreme 32 go. Just FFP write in the first, what is FFP ?
0
votes
1answer
1k views

Does the Sandisk Extreme SD card work with the Pi, and can I add air cooling?

I want to buy a Raspberry Pi 3 Model B in a week, and I want to see if this SD card, a Sandisk Extreme 32 GB is good for the Pi? Also, I want to know if I can add an air cooling without heatsink?
-1
votes
3answers
2k views

Does the Logitech MK235 work with a Raspberry Pi 3?

Next week, I am going to buy a Raspberry Pi 3 and I want to buy a mouse and a keyboard with the Pi. Can anybody please tell me if the Logitech MK235 works with the Raspberry Pi?

1
3 4
5
6 7
20