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 ...
Efreak's user avatar
  • 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 ...
jaskij's user avatar
  • 1,001
3 votes

Cheapest single computer board with Wi-Fi and audio

Your best bet is one of the Rasbperry PI 2 or 3 is $35 The PI 3 does actually have built-in wifi, but no WPS button or activity leds. They both have a RJ45 for hard wiring with activity leds. You ...
cybernard's user avatar
  • 804
3 votes
Accepted

What are some handheld-device/board with Wifi+Bluetooth+processor?

Most microcontroller boards less than $20 do not have Bluetooth/Wifi/Eth, or LCD ports. The Raspberry Pi is your best bet, but if you need something a bit cheaper with the same capabilities, I'd look ...
Ulincsys's user avatar
  • 451
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 ...
Adam Wykes's user avatar
  • 2,330
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 ...
Mast's user avatar
  • 227
2 votes
Accepted

Wifi adapter for raspberry pi zero

What a coincidence, I've also got a RPi Zero. Check this out on Amazon.com, "Edimax EW-7811Un 150Mbps 11n Wi-Fi USB Adapter" It's only $8.99. It says it's compatible with RPi and RPi 2. I personally ...
0-60FPS's user avatar
  • 968
2 votes
Accepted

Are there any USB battery packs that can provide power while charging?

Short Answer: Yes there are power banks that can do that. However, the power bank must support the feature and your phone.A famous brand of power banks can support this feature is Anker one type can ...
Porixify's user avatar
2 votes

Small monitor for Retropie

There's quite a few similar ones but I used this as a secondary screen for a few years. It got somewhat roughly handled, but if you plan ahead and mount it correctly (and not try to work on it while ...
Journeyman Geek's user avatar
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 ...
Digital Boffin's user avatar
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. ...
BigElittles's user avatar
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 ...
A.Barth's user avatar
  • 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 ...
Irsu85's user avatar
  • 2,480
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 ...
James Risner's user avatar
2 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 ...
rex wu's user avatar
  • 21
1 vote
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 ...
Salocor's user avatar
  • 409
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 ...
Clearer's user avatar
  • 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.
K7AAY's user avatar
  • 1,715
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.
JediTom99's user avatar
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 ...
Evan's user avatar
  • 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 ...
Arseni Mourzenko's user avatar
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 ...
Arseni Mourzenko's user avatar
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
CaptainAhab's user avatar
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 ...
Antonio Lambranca's user avatar
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 ...
Arseni Mourzenko's user avatar
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 ...
fred_dot_u's user avatar
  • 1,408
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.
ToniCorinne's user avatar
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 ...
Daniel's user avatar
  • 131

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