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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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Embedded device with RS485 and LORA

I'm looking to build an embedded device for an industrial scenario. Beyond running linux, it just needs RS485 connectivity, and LORA. LORA via a hat is acceptable. Minimal storage requirements. No ...
Nik's user avatar
  • 131
0 votes
1 answer
18 views

Single board computer for 24/7 runtime

I am looking for a single board computer that I can leave on for 24/7 at home. I have done some research and I found out that an option would be a Raspberry Pi or Orange Pi. Further I found a similar ...
Dylan D's user avatar
  • 36
1 vote
1 answer
39 views

Creating a PC from old parts

I have some laptop parts I would like to use to build a portable computer. These parts are: 2 x RAM 8GB DDR4 3200MHz CL22 SODIMMs; 1 x NGW wireless card; And 1 x Internal HD 2.5 Inch SATA Rev 3.0, ...
Matheus Diógenes Andrade's user avatar
1 vote
1 answer
18 views

Controlling stepper motor without step/dir

I am using the motor driver TMC2130 (see datasheet below) to control a stepper motor. I want to make some changes on the registers to improve the system (reduce current consumption when in stand still ...
Juliette Lavender's user avatar
0 votes
1 answer
14 views

Stepper Motor DRIVER Overheating

One of the issues in my project is the excessive heat generated by the TMC2130 motor driver I'm using, to the extent that it becomes too hot to touch and emits a faint burnt smell. I'm using a regular ...
Juliette Lavender's user avatar
0 votes
0 answers
17 views

a smartphone with sensors that can determine if there is someone alive near 1.5m distance?

a smartphone with sensors that can determine if there is someone alive near 1.5m distance? I am looking for a hardware that has sensors that can detect vital signs while staying near people, like (not ...
Gussak Thor's user avatar
2 votes
0 answers
82 views

Raspberry Pi Zero alternative with high-end USB-C OTG PD

Is there any Raspberry Pi Zero alternative that meets the following specs: At least one USB-C 40gbps OTG PD capable, 60W+ desirable, to be both charged or to charge attached peripheral, supporting ...
Tiago Pimenta's user avatar
2 votes
0 answers
34 views

Most powerful SBC for €120/$130?

I was wondering what is the most powerful SBC for around €100/120. I was thinking about the Orange Pi 5 more than the Raspberry Pi 5 and even spending something more for a Nvidia Jetson Nano. But I ...
Dario Gallo's user avatar
1 vote
0 answers
39 views

good SBC for Blender-CLI 3d rendering

I have approx. $250, and I need something like a Single Board Computer to process my blender renders. My machine doesn't support cuda or vulkan, so it has to render via cpu and it is tediously slow. ...
Dario Gallo's user avatar
1 vote
1 answer
60 views

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 ...
Alan's user avatar
  • 111
1 vote
0 answers
30 views

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 ...
tquid's user avatar
  • 11
1 vote
0 answers
24 views

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 ...
Jan's user avatar
  • 11
1 vote
0 answers
21 views

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 ...
Mawg's user avatar
  • 1,135
3 votes
1 answer
401 views

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 (...
R. StackUser's user avatar
1 vote
0 answers
140 views

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-...
alvas's user avatar
  • 111
3 votes
1 answer
136 views

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 ...
Paul's user avatar
  • 33
0 votes
1 answer
127 views

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 ...
Whitehot's user avatar
  • 103
0 votes
2 answers
91 views

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 ...
Freddy's user avatar
  • 1
0 votes
1 answer
32 views

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 ...
David Lazar's user avatar
2 votes
0 answers
58 views

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. ...
Gnumbertester's user avatar
1 vote
1 answer
51 views

"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 ...
Att Righ's user avatar
  • 113
1 vote
0 answers
48 views

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 ...
ChesuCR's user avatar
  • 125
3 votes
2 answers
2k views

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% ...
mike_s2549's user avatar
1 vote
0 answers
548 views

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 (...
Blue Herring's user avatar
1 vote
0 answers
29 views

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....
holzkohlengrill's user avatar
2 votes
1 answer
42 views

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 ...
eyeballpaul's user avatar
2 votes
2 answers
125 views

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, ...
AxelSariel's user avatar
1 vote
0 answers
30 views

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 ...
chris01's user avatar
  • 111
1 vote
0 answers
17 views

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)....
Animesh Sahu's user avatar
1 vote
1 answer
157 views

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 ...
Elias's user avatar
  • 11
2 votes
1 answer
38 views

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. ...
Underhanded CODE's user avatar
1 vote
0 answers
21 views

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 ...
PyPat848's user avatar
1 vote
1 answer
30 views

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 ...
Alwin's user avatar
  • 119
1 vote
1 answer
126 views

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 ...
Csaba Vass's user avatar
0 votes
1 answer
27 views

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 ...
Achint Srivastava's user avatar
1 vote
0 answers
12 views

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 ...
PiWater's user avatar
  • 11
1 vote
0 answers
27 views

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 ...
martas1357's user avatar
2 votes
1 answer
486 views

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?
jan4321's user avatar
  • 21
2 votes
1 answer
14 views

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 ...
Colin Robbins's user avatar
1 vote
0 answers
18 views

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 ...
Kushagra Asthana's user avatar
1 vote
0 answers
9 views

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 ...
Ashutosh Sahu's user avatar
1 vote
1 answer
45 views

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 ...
Ghulam Ali's user avatar
2 votes
1 answer
30 views

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 ...
Yannic's user avatar
  • 21
1 vote
0 answers
18 views

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 ...
mszmurlo's user avatar
  • 111
1 vote
0 answers
49 views

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 ...
Alwin's user avatar
  • 119
4 votes
1 answer
46 views

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 ...
Mawg's user avatar
  • 1,135
2 votes
0 answers
28 views

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 ...
Karatekid430's user avatar
2 votes
0 answers
35 views

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. ...
mneumann's user avatar
  • 121
3 votes
1 answer
870 views

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 ...
thanby's user avatar
  • 261
4 votes
0 answers
69 views

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 ...
Alphy13's user avatar
  • 900