Questions tagged [pi-models]

This tag is for questions about the difference between models, e.g. A, A+, B, B+, 2B, 3B, 3B+, 3A+, 4B, Zero, Zero W and Compute Module.

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How do you connect 1 or more Waveshare 2.9inch eInk to Raspberry Pi 4 Model B (2018)?

Apologies for this newbie question, but I am not sure how to safely (?) connect at least one Waveshare 2.9inch eInk module to a Rasp Pi 4 Model B. I am assuming that the colored wires go into some of ...
ina's user avatar
  • 111
-1 votes
2 answers
32 views

Suitable Rpi model and camera module?

I wanna ask... If my project is focused on a camera monitoring surveillance system that is mainly to detect images of small animals like rats especially at night in paddy fields area, can you suggest ...
Anasa's user avatar
  • 1
0 votes
0 answers
33 views

Tkinter's 'create_text' inconsistent between raspberry pis

This one has me completely stumped, hoping someone can point me in the right direction! Here's my MRE of the issue: from tkinter import * root = Tk() w = 200 h = 200 c = Canvas(root, width=w, ...
Jason Ellis's user avatar
2 votes
1 answer
783 views

Raspberry Pi model information - 2018 vs 2019

I bought a Raspberry Pi 4 4GB - 2019 model from amazon The seller says the model is 2019 But in the Pi circuit board its mentioned 2018. So did I receive an old model or does the circuit board ...
kiranvj's user avatar
  • 123
1 vote
3 answers
109 views

Is this power supply safe to use?

I've never used Raspberry Pi before. I've got myself Model B but it didn't come with its power supply. On their official website I've got this info: You need a good-quality power supply that can ...
Tony Reirdan's user avatar
2 votes
2 answers
229 views

Hardware Level Query for Pi Version

Is there a way you can query the model and revision of a Pi from a script without accessing files that are generated at install time for the OS? I have a project where a web page needs to display the ...
Darin Beaudreau's user avatar
8 votes
1 answer
906 views

Crosscompiling: exact archictecture for all models

I would like to crosscompile some piece of C++ software in a way that I can run on every Raspberry Pi. I am confused about the parameter -march. I've found a great deal of resources recommending to ...
Pietro Saccardi's user avatar
6 votes
1 answer
6k views

What are the differences between the the models 3B+ and the new 3A+?

The Raspberrypi Foundation just announced: New product: Raspberry Pi 3 Model A+ ... releasing the Pi 3 A+ as [...] one of our most frequently requested “missing” products. By the way, the ...
Ghanima's user avatar
  • 15.8k
0 votes
3 answers
175 views

What model of PI lacks HDMI but has Ethernet support?

I like specifications of raspberry pi zero, and i want to make similar router-like device. The device is intended for some statistics monitoring, it should collect statistic from multiple hosts and ...
xakepp35's user avatar
  • 117
9 votes
2 answers
10k views

What Pi Model & OS version is installed

Users often seem confused about what Pi model they have and what OS version is installed or how to find details. Where is this located?
Milliways's user avatar
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4 votes
3 answers
3k views

Is upgrading a pi as simple as swapping the memory cards?

I'm currently using a first generation Pi Model B and have ordered a new Pi 3 Model B+. When it arrives, is it as simple as taking the memory card from the older machine and adding it to the new one? ...
Joseph McCarthy's user avatar
2 votes
1 answer
86 views

Time-lapse images not fully-rendered with example

I am having inconsistent results while taking time-lapses. I have batches where almost all images are incomplete/garbled/not fully-rendered while other images are perfect. Then, I'll get a batch where ...
vsiege's user avatar
  • 141
1 vote
1 answer
3k views

Dimension of Model B rev 2 mounting holes

I want to make some laser cut mounting brackets for some Model B rev 2 (NOT model B+) - this is the Raspberry Pi with 2 mounting holes. I can find a pdf with a cutting template but no 2d diagram or ....
JasperWallace's user avatar
1 vote
1 answer
129 views

Will a device designed for the 2x13 pins of Model A also work on Model B with 2x20 pins? [duplicate]

Will a device, e.g. this transciever, that is designed to be placed on the 2x13 pins of a Model A Raspberry also work if used with a 40pin Raspberry, i.e. are the pins that same? When viewing some ...
Mathias Rönnlund's user avatar
0 votes
1 answer
58 views

Do I need the Connection Bridge if I want to connect e-Health Sensor Shield with raspberry pi 3 model b?

I read here in the description below that : This product is compatible with Arduino, Raspberry Pi (Model B+), Raspberry Pi 2 (Model B) and Intel Galileo boards. but this confused me for two ...
RM SH's user avatar
  • 17
11 votes
4 answers
10k views

What happened to Raspberry Pi 2- and 3- Model A?

I've been reading the FAQ section of the Raspberry Pi official site and I've noticed there was a list of all the devices ever made, which are (as of June 2016): Raspberry Pi Model A Raspberry Pi ...
VMMF's user avatar
  • 470
1 vote
1 answer
128 views

What Raspberry Pi should I buy? [closed]

I want to buy a Raspberry Pi, but I don't know which one. I want to start with machine learning and artificial intelligence. I thought the Raspberry Pi 2 b+ was enough, but with the 3 and the Zero now ...
Daviz's user avatar
  • 11
14 votes
3 answers
6k views

What are the differences between the Model 2B and 3B?

Having seen an official part/order number (SC14012 or SC14014 with 16GB micro SD Noobs software) including what looks to be a real photographic image in a recent (2016/02/27 "Computer World" March ...
SlySven's user avatar
  • 3,611
0 votes
2 answers
278 views

What is the best supported microSD card's with it class for Raspberry Pi2 Model B? [closed]

I'm currently running with class 4, 4GB card. I thinking to upgrade.
mahem's user avatar
  • 21
1 vote
1 answer
71 views

What compatibility is there between Legacy Pi and Pi 2?

Basically, I have a legacy Pi and Ubuntu MATE for RPi says it's for RPi 2. Will software designed for RPi 2 boot / run on legacy Pi? Are there big incompatibilities?
cat's user avatar
  • 397
15 votes
3 answers
46k views

What is the difference between Model B+ v1.2 and Model 2B v1.1

I have read a few threads and a wiki page, but I am still getting confused. Until now I have used RPi Model B+ v1.2 and since it has 40 GPIOs, 4x USB and stuff, I supposed it is the RPi 2. Today I ...
Filip Čížek's user avatar
5 votes
2 answers
424 views

Power regulation circuits on B+ vs 2 (light sensitivity)

I've seen recent articles on the Raspberry Pi 2 being affected by a light source (http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=99042) . Apparently the cause is in the power regulation ...
John Smith's user avatar
  • 1,251
4 votes
3 answers
40k views

What are the Specs of a 2011 Raspberry Pi?

I have a 2011 Raspberry Pi, and after much searching on the internet I cannot seem to find the specs for it. Does anyone have any idea what the main difference between a prototype 2011 Raspberry Pi ...
Darth Vader's user avatar
  • 4,166
8 votes
1 answer
521 views

What are the improvements included on the Raspberry Pi Model A+

I have just read that there is a new model Raspberry Pi coming called the A+. What are the improvements added to this board and how does it compare with the recently released Model B+? Are there any ...
dmeehan's user avatar
  • 599
0 votes
1 answer
2k views

B vs. B+ power consumption

I've read several comparisons of the Model B vs. B+, and they mention that one of the benefits of the B+ is it has lower power consumption. With the same processor, and most of the same components, ...
Carl S's user avatar
  • 1
1 vote
1 answer
64 views

How can i detect which board i am using through the i2c of the raspberry pi [closed]

I am working on a project where i moved from raspberry pi model B to B+. So i need to change my audio driver to work on both models by doing some GPIO changes . The requirement is, i have to find ...
optimus prime's user avatar
0 votes
1 answer
207 views

How to know which revision the rpi board belongs to using c language program

I need to do some changes in my audio card driver on the raspberry pi board. What I need to do is: I have to check which model board it is and then I have to program the GPIO's based on the revision ...
optimus prime's user avatar
0 votes
1 answer
465 views

What happened to the i2s pins which are in RPI B board and not in RPI B+ board

I'm working on RPI model B board.I've a driver for wolfson audio card,Which uses i2s pins for data transfer.Now i need to work on RPI B+ model.But there are no i2s pins in model B+.What i need to do ...
optimus prime's user avatar
1 vote
3 answers
981 views

Is PiGlow compatible with model B+, and will both fit inside a Pibow?

So, can I use PiGlow with Raspberry Pi B+? If yes, does it fit inside a Pibow enclosure?
Hannes Karppila's user avatar
7 votes
2 answers
9k views

What power supply should be used for the B+ model?

I'm thinking about purchasing a Raspberry Pi B+ model, and the Raspberry Pi website states that the power supply should output 2 A through a micro- USB supply. OK, but in terms of voltage, what ...
Mattios550's user avatar
34 votes
2 answers
140k views

What's the difference between the Raspberry Pi 1 Model B and B+?

I have a Model B Raspberry Pi, but what are the differences between this and the new Model B+? Also apart from the physical differences, what could I do with a B+ that I can't do with my Model B?
dmeehan's user avatar
  • 599
2 votes
0 answers
232 views

MVC design patterns and framework for embedded web apps

Embedded web application development is much easier when a standard framework and API is used. With a MVC (Model-View-Controller) as a design pattern for IoT style applications, I have found ...
awoz's user avatar
  • 21
1 vote
1 answer
392 views

Problem installing Ruby on Rails server on Raspberry Pi [closed]

I tried using a Type A RP as a Rails server. Rails installs alright, but bundle install never manages to finish. I think it is due to too low RAM (256 on A model). Does anyone have experience running ...
Assaf Shomer's user avatar
2 votes
1 answer
281 views

Which Raspberry Pi Model for Gaming Console

I recently decided I was going to build a retro gaming console using a raspberry pi as an emulator. Its a fairly popular project which has been discussed in detail in several articles around the web. ...
Zero's user avatar
  • 123
6 votes
2 answers
25k views

Is there an accurate 3D CAD model of the version B board?

I'm making a custom case for the Raspberry Pi and need a CAD model that is accurate to work with. I've seen a few of them on GrabCAD, but I'm uncertain if those are good enough. Are there no official ...
mugetsu's user avatar
  • 295
5 votes
1 answer
3k views

Desktop Performance of 512MB Model B vs 256MB Model B

My 256MB Model B Raspberry PI failed a few months ago while I was at university, I don't think it liked being shut away in my box of cables. I am going to buy a new PI for some projects I have in ...
user3728501's user avatar
3 votes
1 answer
384 views

Wifi stopped working after installing bluetooth drivers

Yesterday I had my WiFi adapter working. I took the Raspi home and installed drivers and manager for my Bluetooth adapter. Now, today, WiFi will not work. lsusb returns the device, but it will not ...
TheCodeGeek's user avatar
6 votes
2 answers
713 views

When will the Model A be released?

It is my understanding that only the Model B version of the Raspberry Pi is currently available. What is the expected release date of the Model A version?
Zoot's user avatar
  • 2,976
27 votes
4 answers
30k views

What is the difference between Model A and Model B?

There are hardware differences and peripheral differences. What can be accomplished or run on a Model B that cannot be done with a Model A? Are expansion boards being designed to be compatible with ...
ramblinjan's user avatar
  • 4,010