Questions tagged [raspberry-pi]
For questions about the do-it-yourself single-board PC. This tag should only be used when asking about add-ons for the Raspberry Pi.
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USB to RS-422 opto isolated converter
I have to test an inertial measurement unit that uses RS-422 communication standard. I will use a Raspberry Pi with a touchscreen that needs the latest Raspbian, which is the Debian(buster), that as ...
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1-2 TB SSD Recommendation for Raspberry Pi 3
Running a Raspberry Pi 3 as a home media server (using openmediavault).
Currently connected via USB (USB 2?) to an old Seagate 2TB HDD, but I think it’s dying (making strange noises, can't read from ...
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I have a Raspberry Pi 4B and I'd like to make a NAS with it
I've seen a few different bits & bobs that will let one add SATA to a Raspberry Pi, but I'd really love an enclosure that gives me 2x SATA and space for a couple 2.5" SSDs. Is there anything ...
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Night vision camera
I'm looking for a nightvision camera. It's meant to be relatively cheap (under $70). I want to use it with a device similar to the Raspberry Pi 4B, but the connector does not matter. Currently, I've ...
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usb km/kvm switch with zero latency switching between devices
A standard usb km (or kvm) switch will only expose the kb/m to one output device at a time, so switching to another device takes 5-10 seconds as the device detects the kb/m and installs the drivers (...
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Best battery hardware for supplying the Raspberry Pi 4
I have the following hardware in my system with Raspberry Pi 4:
Pi 4
7" HDMI display https://pt.aliexpress.com/item/1005003840302925.html
Custom circuit board for a miliohmmeter
All that gives ...
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Air quality measurement, for ESP32 or Raspberry PI
I am looking for a sensor which can measure air quality (pollution, pollen, etc), plus temperature, humidity, CO2, etc.
It's for a hobby project. I would prefer to use an ESP32, can accept using a ...
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Cheapest single-board computer with a USB host connector
I'm looking for the near-cheapest single-board computer that can be a USB host (i.e. typically has a USB type A connector, if populated, but other USB connectors are OK as long that connector can be a ...
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Which Raspberry Pi 4 compatible modem with SMS, MMS and Audio Voice
I am looking for a decent, linux/rpi-compatible LTE/4G modem hat, with voicecalling, texting and MMS support that works in European Union countries.
I tried two shields:
SIM7600E-H_4G_HAT https://www....
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Micro projector for smart glasses?
I wanted to know if anyone out there knows of any micro-projectors that I could use in a smart glasses project. I'm going to take some glasses, a raspberry pi, some 3D-printed materials, and (...
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Software compatible alternative to Raspberry Pi
Because Raspberry Pi's are hard to get nowadays, I'm looking for an alternative single board computer.
I've seen several sites that list all kinds of alternatives, but those websites don't talk about ...
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Are there NAS / Docks that supports SanDisk Extreme Pro SSD?
I was looking at NAS and they are all supporting bulky and slow SATA disks or even if it's SSDs, it looks like they're targeting lower speed ones (~500 MB/s) like https://www.windowscentral.com/best-...
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NAS to video projector - do I need a Raspberry Pi?
My partner and I will be buying an apartment and moving into it soon, and because we don't really watch TV or play on screen-dependant consoles, we're thinking of installing a video projector on the ...
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What should I buy as a personal server?
I would like to buy a personal server that I can leave plugged in at home in order to run some of my programs 24/24 and have some storage space.
I did some research about the prices of servers but it ...
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JST wiring to remote Pi computer connection
I have a peripheral that has a 6 pin JST female connector that mates to the peripheral.
The other end of the cable also came with a 6 pin female JST connector that is decidedly NOT compatible with the ...
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Wired NFC tag that is dynamic and programmable
I'd like to send files from a computer (via my software) to an NFC tag (that can be read by an iPhone, similar to Apple Pay), but also be able to overwrite that same tag with another file on demand. ...
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"Laptop" without a screen. I.e. a lightweight PC with a battery
With the end of working in offices. I tend to work in coffee shops and I have a tablet that I bring as a second screen.
One thing that this working situation changes is that I carry my work laptop ...
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Which NAS or Motherboard should I buy?
Requirements
I am looking for a NAS or motherboard with the following features:
It should hold 4 or 5 SATA 3.5" disks
10 Gigabit Ethernet support
I want to use ZFS. The NAS should perform well ...
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Looking for an **Open-Source** Single Board Computer
Looking for completely open-source alternatives to the Raspberr Pi, Looking for an 100% libre computing expierence.
Any recommendations?
I don't about hardware specifications it just needs to be 100% ...
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Raspberry PI for vending machine controller
I am a softie, with little understanding of hardware.
I want to develop a vending machine controller, as cheaply as possible, while still being functional. I don’t expect heavy CPU or RAM usage.
To be ...
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Camera for Windows Hello on Windows IOT Core for Raspberry Pi
I'm looking for a camera (module) that is suitable for Windows Hello (Microsoft's biometric facial recognition) on Windows IOT Core which runs on a Raspberry Pi.
Any suggestions?
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Cheap AVB (audio) setup
I am looking for some relatively cheap AVB talkers (approx 50-200 EUR; if that's not possible what is my cheapest option?). Most importantly talkers should have digital input(s) like S/PDIF or TOSLINK....
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SOC with more than 4Gb ram?
Are there any arm SOCs with large mounts of ram such as 16Gb ? Several phones have come out with 8Gb ram, so I expected the same developments to happen in the SOC sector. I believe there are ARM based ...
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Camera and motherboard with Camera Serial Interface
So I came across this great article about getting 660 frames per second from a Raspberry PI and its default camera, and was wondering is there any way to crank the setup up with possibly higher frame ...
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What Pin Pad for Raspberry Pi POS with no payments involved?
I’m developing kind of a POS system for my school cafe. It doesn’t need to work with payments, instead it works with the member system. The system will be running in Raspberry Pi and Python, ...
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SBC with RS-232 (>= 2) and a case
I am looking for a single-board-computer with the following requirements.
performance is not too important
must support modern Linux (Debian)
2 (better 3) RS-232 interfaces
availability of a compact ...
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Lead acid (PbA) charger and fuel gauge
I want a charger and SoC determiner ic/with example (sample) circuit or a product for a Lead acid (PbA) battery 12V/65Ah. Which can send the SoC through a I2C port to my microcontroller (Raspberry Pi)....
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What are some handheld-device/board with Wifi+Bluetooth+processor?
Problem
I am looking for a portable device which should fullfill my following requirement:
Device should be able to connect and communicate with bluetooth devices.
Device should be able to connect ...
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Need Recommendation for Simple Audio Interfacing into Raspberry Pi
I'm currently searching for a way to get 4 channels of audio from mic level (XLR input) into a Raspberry Pi. Either as a single interface device or one channel and use four of them.
It only has to be ...
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Small Form Factor Thermal Camera
I am Currently Looking for a Thermal Camera which either has an lcd screen which can be be extended away from the camera or simply a high quality thermal camera which can be programed into an lcd. ...
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Banana Pi + Android + Touchscreen
I am looking at doing a small build for a project, however before buying all the hardware I just wanted to know if what I'm attempting is even possible?
I am looking at using the Banana Pi M2+ to ...
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Long range interface between a Raspberry Pi and a smartphone?
I would like to control a Raspberry Pi 4 with my smartphone (for my drone). Now I'm looking for an interface between the RPi and my Android phone.
Requirements:
Control with a web interface or app
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Help me Choose a Rasberry Pi board [closed]
I wanted to run Image Processing and 4-5 different sensors on a single Rasberry Pie Board. So what board should be sufficient for the work ? I couldn't choose as I am new to IOT and have very little ...
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Looking for a 4 output brass, electronic, water valve
I'm planning a small irrigation project for a home, indoor garden. I'd like to control water to four different plants using a Raspberry Pi and a single water source.
I'm looking for something like ...
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Devices able to run Docker engine [closed]
I am making some database app and stuff and I need to run MySQL database somewhere. I was wandering what to choose, because I need it to run all day and I want to run it as docker container...so I was ...
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Raspberry Pi 3B+ PoE Amplifier Suggestion
I have been looking around and haven't been able to find an answer to this so hoping you guys can help.
I have been tasked with finding a way to power a Raspberry Pi 3B+ (using the PoE Hat) as well ...
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More powerful ESP9266 based microcontroller than nodemcu
I am currently working with Nodemcu. I am running a very long code with many HTTP requests. After 3 http requests, the nodemcu gets crashed. It is unable to handle. I am looking for a WiFi ...
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Programmable RFID card
I'm new to RFID technology and cryptography. So, I'm trying to apply light weight cryptography in RFID tags as a part of my project.
I'm already able to read and write information in some passive ...
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Rasperry Pi alternative with USB 3.0, Ethernet port, and casing?
I am looking for Raspberry PI 3 alternative board which would give me:
USB 3.0 port. Single is enough.
Ethernet port.
Casing. (Built-in / bought separately)
Orange PI 3 is perfect for my needs ...
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Budget Microcontroller for large WS2812B strand
I am using an Arduino Uno R3 to control my Christmas lights (a strand of 665 WS2812B LEDs).The Arduino, while driving the LEDs, is not accessible from my PC, so I am attempting to use a Raspberry Pi 3 ...
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Raspbery Pi case with Real Time Clock and battery power
I have found a few old Kickstart projects, such as this, which consist of a case (not on-topic), containing a Real Time Clock and battery power for the Pi.
Some have a few extra features, such as a ...
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incremental encoder with added joystick functionality
I was searching the web for days now and just couldn't find what I am looking for.
I want to make a remote control for an adressable RGB LED strip using a single knob. It will be controlled by an ...
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power bank charging while being charged
I'm using Tecknet 16750mAh power banks to provide power to Raspberry Pis. I'm really happy with them. Power is provided uninterrupted when the bank is being charged, when the bank charging power goes ...
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Single board PC with HDMI input and output
Are there any recommendations for a single board PC (similar to a Raspberry Pi, for example) which has both HDMI input and output ports?
Trying to catch HDMI input, modify it, and push it to a screen;...
CommunityBot
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Long range communication module with high data rate (e.g. for video streaming)?
I am building a quadcopter and I am searching for a communication module for the raspberry pi, which can send big data over long range.
I need a module with a range of approximately 1 - 2 km range, a ...
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USB 802.11ac adapter with in-tree Linux driver
I am looking for a Wi-Fi adapter with:
802.11ac, 2.4 and 5GHz bands
USB interface, possibly USB 2.0 to avoid the interference associated with USB 3.0
Preferably a small dongle with a standard SMA ...
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RFID solution for reading multiple tags
I am working on a Robot-project where a sub task is have to check how many and which RFID-tags are placed in a bucket.
Multiple tags will be placed into the bucket - so I run into the problem with ...
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Reliable computer for live streaming video to youtube 24/7
I have a live stream running that sends a 1080p video stream to Youtube. It receives the data from a camera in the network, converts the stream (using ffmpeg) and uploads it to the Youtube channel. ...
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Confuse-a-cat : seeking dirt cheap, wheeled, programmable robot
I was playing the old "confuse the cat with a flash-light" game, when I thought that I might like to program a confuse-a-cat robot.
Something, probably with tracks, which can right itself if he flips ...
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DIY boards for building a lightweight Linux tablet
I'd like to build a homebrewed tablet-style device that can run an Ubuntu-ish OS pretty well. The easy solution for a DIY computer is the Raspberry Pi, since it has reasonable power and supports ...
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