Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [pi-3b+]

Use for questions specific to the Raspberry Pi 3 Model B+

See https://www.raspberrypi.org/products/raspberry-pi-3-model-b-plus/

Notable features of the 3B+:

  • A 1.4GHz CPU (Cortex-A53 | ARMv8), 64-bit
  • 2.4GHz / 5GHz IEEE 802.11.b/g/n/ac Wifi
  • Gigabit Ethernet
  • Bluetooth 4.2 (BLE)
  • Power-over-Ethernet (PoE)

Released 14th Mar 2018

1165 questions
54
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4 answers

How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)

My Pi3 serial console produces rubbish and fails to respond to the keyboard.
Milliways
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How to emulate Raspberry Pi in QEMU?

A few years ago, people were saying they were able to emulate a Raspberry Pi 2 or 3 in QEMU. However as of late 2020, I am unable to do so. Can anyone let me know what the correct command line arguments are to emulate a Raspberry Pi 3 or 4 in…
wudude
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How to setup the Raspberry Pi 3 onboard WiFi for Ubuntu Server 18.04 with netplan?

How to setup of Raspberry Pi 3 B+ onboard WiFi for Ubuntu Server 18.04? In particular, with netplan? This is a clean install of the Ubuntu Server 18.04 image for Raspberry Pi 3. File: ubuntu-18.04.2-preinstalled-server-arm64+raspi3.img.xz. The…
marc-medley
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WiFi won't start

I have a new Pi 3 B+ and am running openplotter version of NOOBS. When I boot, WiFi doesn't show on the top right of the home screen. When I run raspi-config for Network Options and WiFi, I get 'Could not communicate with wpa_supplicant' When I run…
pander
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Is it possible to simultaneously use the dual band(2.4 Ghz and 5 Ghz) of Raspberry pi 3 B+ to create an AP?

Is it possible to simultaneously create a single AP on raspberry pi 3 b+ which uses both 2.4 Ghz and 5 Ghz bands so that users with low end devices can connect to the 2.4 Ghz band and users with latest or high end devices can connect to the 5 Ghz…
Thoht
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11
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3 answers

How fast can GPIO pins toggle?

I'm currently using Python's RPi.GPIO module to toggle some pins, and I want to know how quickly it can do this. I need the pins to be toggled on the schedule of a ~50 mhz FPGA clock, which I'm worried is too fast for the Pi (I need 8 pins toggled).…
Auden Young
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11
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4 answers

Why am I getting a rainbow screen and flashing red PWR LED with a new Raspberry Pi 3B+?

I think there might be a problem with my new Pi. I'm using the same power supply (purchased from PiHut for my previous 3B) in the new 3B+ but I get the rainbow screen and the red power light flashes in a particular pattern: 4 long flashes followed…
Shawson
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10
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4 answers

Raspbian 8 on Raspberry Pi 3 B+

How can I can use my old Raspbian 8 (Jessie) SD card installation on the Pi 3 B+? I changed files in /boot. (start.elf, start_cd.elf, start_db.elf, start_x.elf, bcm2708-rpi-0-w.dtb, bcm2708-rpi-b.dtb, bcm2708-rpi-plus.dtb, bcm2708-rpi-cm.dtb,…
medismail
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9
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Shorted 3.3v + 5v together. Is it possible to repair?

I was reading through some instructions on how to add a power off/on button to the Pi and accidentally misread instructions and shorted the two end pins on a 3+B model, which appear to be 3.3v and 5v. It doesn't appear to boot now and I just see a…
Elijah Lynn
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8
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4 answers

PoE hat fan activation on OS other than Raspbian

I'm aware that the only officially supported OS that the PoE hat works on is Raspbian. I can confirm that both my hats work, and that the fan does switch on and off if I have Raspbian installed on the SD card the Pi is booting from. Currently,…
Larnu
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8
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3 answers

Is it safe to power my external hard drive with a Raspberry Pi 3 B+ USB port?

I have a external hard drive that has written on it "5V ⎓ 1A". Both power and data transfer happen over a single USB. I have been reading about powering this hard drive with the USB ports on my Raspberry Pi 3 B+, but I want to make sure I'm thinking…
Eric
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8
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1 answer

Installing libraries via pip is taking forever. Raspberry pi 3b+

I tried to install scipy using pip3 install scipy as well as sudo pip3 install scipy and it got stuck at Building wheel for scipy for 45 minutes. Same is the case for cython. What is the fix or it just takes that long. numpy and other libraries like…
Tanmay Bhatnagar
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8
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2 answers

Raspbian - wpa_supplicant.conf Country meaning

I'm a bit confused of the country property in wpa_supplicant.conf. In official Raspberry Wifi Documentation it says this: On the Raspberry Pi 3 Model B+, you will also need to set the country code, so that the 5G networking can choose the correct…
Dino
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8
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1 answer

Netbooting multiple "workers" RPi from a "master" RPi

My question is, I believe, a little bit complex, and I think it would be better to fully describe what I have and what I want to achieve, with what I am able to do. What I have I have a group of RPi 3B+, with one RPi serving as a Master of the…
Longwelwind
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8
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4 answers

Performance differences running Raspbian from USB flash drive versus SD card

I want to run Raspbian from a USB flash drive on a Raspberry Pi 3B+. What would be the performance difference in doing so, as compared to running Raspbian from an SD card?
MC Naveen
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