4
votes
usb km/kvm switch with zero latency switching between devices
There is a special class of KVM switch called DDM-class KVM switch that has a built-in DDM (Dynamic Device Mapping) core technology to keep all the shared HID devices of the KVM switch feeding to all ...
- 41
4
votes
Accepted
Cheapest single computer board with Wi-Fi and audio
I'm looking for something similar to this myself; currently I'm using a CHIP from NextThingCo; you'd have to write the software yourself for what you want, but it runs standard linux.
Wi-Fi ...
- 56
3
votes
Looking for an **Open-Source** Single Board Computer
It's hard to find a fully libre design in your price range. Most will be based on Allwiner or similar SoCs, which are probably not vendors you want to support, regardless of the availability of ...
- 1,021
3
votes
Cheap and small server for home / small business installation
Unless your LAMP stack will see high load, the Raspberry Pi 3 is a perfect choice for your purposes. It can even be overclocked decently if you add a few small heatsinks to its chip surfaces.
I have ...
- 2,395
2
votes
Building a computer science lab
2,000 isn't much. You can buy 1 very expensive desktop with that, or 5 reasonably priced ones. You want 30.
Assuming you want all workstations to be identical, this leaves you with 66 dollars and ...
- 237
2
votes
Cheap and small server for home / small business installation
If you are looking for the next 5 years of life, why not look at a (refurbished) Dell Small Form Factor PC?
A core i3 or i5 (I recommend the latter) will be more than enough for 5+ years of use, plus ...
- 1,052
2
votes
Accepted
Raspberry PI for vending machine controller
So I won't be able to answer your questions completely, but it looks like the requested features you're looking for has been done in the past. Here is what someone else has been able to do.
...
- 829
2
votes
Accepted
"Laptop" without a screen. I.e. a lightweight PC with a battery
If you are OK with using a lower powered computer like a raspberry pi, then I say go for it! A raspberry pi can run off the same battery bank your phone, just make sure the power bank has a 3.0V ...
- 429
2
votes
Accepted
Rasperry Pi alternative with USB 3.0, Ethernet port, and casing?
Well I looked around the web, and I found these options:
Pine64
The Rock64 or the RockPro64 are good options.
As for today, these are the only ones with USB 3.0 from Pine64.
Odroid
You could also ...
- 76
2
votes
What should I buy as a personal server?
Raspberry pi is an option, but what I prefer is building a desktop pc, because its way faster and upgradable. If you don't need much power, you can get an athlon 3000G, a B450/A520 motherboard, and ...
- 2,560
2
votes
Accepted
Software compatible alternative to Raspberry Pi
RockPi are widely in stock, better performing single board computers. They do generally support most RPi Hats, with exceptions suck as PoE Hats.
They do cost more than RPi 4, but have generally better ...
- 332
2
votes
Accepted
Creating a PC from old parts
No. It is not possible to install additional RAM in any version of Raspberry Pi. This is due to, among others, from board design and memory handling capabilities.
Question: why?
Most Rasberry Pis ...
1
vote
Accepted
NAS to video projector - do I need a Raspberry Pi?
Most NAS don't have HDMI,DisplayPort or etc output. This is your biggest challenge.
Maybe you can find a projector that will connect to your NAS directly, but it is likely your going to find you have ...
- 824
1
vote
JST wiring to remote Pi computer connection
The GPIO header is essentially an IDE hard disk connector; how about buying an IDE cable long enough to reach from Pi to the wall of the waterproof box you will use to enclose the Pi, and then solder (...
- 121
1
vote
incremental encoder with added joystick functionality
I used "six axis joystick with rotation" as the search terms and came up with an open-source resource from the UNMND web site. It appeals to me because I like to build stuff and this one is very much ...
- 1,418
1
vote
Accepted
Raspbery Pi case with Real Time Clock and battery power
The PiJuice HAT includes a battery solution for the Pi, and has a built-in RTC. There's additional features/add-ons available as well.
- 146
1
vote
Accepted
RFID solution for reading multiple tags
Ended up going with setup 1 and using this RFID-reader from Sparkfun. https://www.sparkfun.com/products/14066
I interface the reader by use of the Mercury library in a Python program. Super reliable ...
- 131
1
vote
Single board PC with HDMI input and output
Single board PC with HDMI out is quite common but HDMI input is quite exotic even for standard PCs. It will probably have to add on card. There are many TV capture cards and the low end is analog ...
- 21
1
vote
Single board PC with HDMI input and output
You should check out the Raspberry Pi HDMI Input Board. This is not really a recommendation, since I haven't used it, and there may well be better options. However, using an add-on card may well be ...
- 226
1
vote
Looking for an **Open-Source** Single Board Computer
The best you can get, (which you can't get, because it's not released for the general public yet), is the BeagleV. This board has a RISC-V CPU. It does come with some nvidia hardware on it, but the ...
- 111
1
vote
Accepted
Camera and motherboard with Camera Serial Interface
This post explains how the poster created a four-lane board he's selling to double throughput, and also provided a lot of technical background.
This seller of Pi cameras may also have useful gear.
- 1,705
1
vote
What Pin Pad for Raspberry Pi POS with no payments involved?
I would recommend a membrane 3x4 keypad from adafruit, I Just bought one and the keys are really easy to press and the pinout is easy to understand.
- 53
1
vote
Accepted
What Pin Pad for Raspberry Pi POS with no payments involved?
Here are a few options for you:
Jelly Comb USB Keypad
Adafruit 3x4 Phone-style Matrix Keypad
DEVMO 2PCS 4 x 4 Matrix Array
Adafruit Membrane 3x4 Matrix Keypad + Extras [ADA419]
Official Raspberry Pi ...
- 473
1
vote
Need Recommendation for Simple Audio Interfacing into Raspberry Pi
I would advise you against your own hardware for this task. The goal of Raspberry Pi is to be a small-size substitute for a PC, not a large-size substitute for a professional recorder.
Based on your ...
- 394
1
vote
Accepted
Small Form Factor Thermal Camera
AMG8833 is a popular thermal camera which has an accuracy of 2.5 °C (4.5 °F). The benefit is that it's commonly used, and has a pretty decent support. The drawback is its tiny resolution, 8×8 pixels ...
- 394
1
vote
USB to RS-422 opto isolated converter
I think you'd be better of with a RS422 shield for your projects.
An example
https://thepihut.com/products/rs422-rs485-serial-hat?variant=20063170003006
- 111
1
vote
Help me Choose a Rasberry Pi board
You can try it out by buying a Pi Zero W to test the requirements you need since they are very cheap.
Then after you ascertained your requirements go for what you need. Stick with the Zero or get a ...
1
vote
Camera for Windows Hello on Windows IOT Core for Raspberry Pi
The top three search results for “windows hello webcam requirements” claim that you need a special infrared, 3D camera:
If Windows Hello doesn’t work, chances are your hardware isn’t compatible. That ...
- 394
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