# \#raspberrypi

**URL:** https://forum.elixirforum.com/tag/raspberrypi/786.md

[Latest](https://forum.elixirforum.com/latest.md) · [Categories](https://forum.elixirforum.com/categories.md) · [Tags](https://forum.elixirforum.com/tags.md)

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## [Scenic with Nerves on RPi3 - screen compatibility](https://forum.elixirforum.com/t/scenic-with-nerves-on-rpi3-screen-compatibility/17856)

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**Author:** [@thovoll](https://forum.elixirforum.com/u/thovoll)\
**Replies:** 13\
**Last updated:** [November 20, 2018, 8:02pm UTC](https://forum.elixirforum.com/t/scenic-with-nerves-on-rpi3-screen-compatibility/17856 "2018-11-20T20:02:17Z")

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Hi, Does anyone have experience running Scenic with Nerves on RPi3, with display output going to a smaller screen that fits on top the the RPi3? There’s quite a few ways to connect a display to an RPi3 and it’s unclear…

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## [Trouble displaying Scenic UI on RPI3 with original 7" touch display](https://forum.elixirforum.com/t/trouble-displaying-scenic-ui-on-rpi3-with-original-7-touch-display/72165)

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**Author:** [@BinaryMuse](https://forum.elixirforum.com/u/BinaryMuse)\
**Replies:** 1\
**Last updated:** [August 25, 2025, 2:57am UTC](https://forum.elixirforum.com/t/trouble-displaying-scenic-ui-on-rpi3-with-original-7-touch-display/72165 "2025-08-25T02:57:51Z")

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Hi all, I’m coming to Nerves with considerable Elixir experience but very little hardware experience. I’m trying to use Scenic to display a UI on my Raspberry Pi 3 Model B v1.2 using the original 7" touch display, conne…

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## [Supporting more robust recovery on Raspberry Pi](https://forum.elixirforum.com/t/supporting-more-robust-recovery-on-raspberry-pi/71725)

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**Author:** [@lawik](https://forum.elixirforum.com/u/lawik)\
**Replies:** 0\
**Last updated:** [July 17, 2025, 5:08am UTC](https://forum.elixirforum.com/t/supporting-more-robust-recovery-on-raspberry-pi/71725 "2025-07-17T05:08:44Z")

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Nerves provides a lot of functionality in service of robustness. One of the big ones is the mechanism for recovering from a bad firmware. Essentially if you have made a firmware update using the default fwup-based mechan…

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## [CM5 Kiosk render Issue](https://forum.elixirforum.com/t/cm5-kiosk-render-issue/69406)

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**Author:** [@marcnnn](https://forum.elixirforum.com/u/marcnnn)\
**Replies:** 2\
**Last updated:** [May 6, 2025, 1:21pm UTC](https://forum.elixirforum.com/t/cm5-kiosk-render-issue/69406 "2025-05-06T13:21:43Z")

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Running the GitHub - nerves-web-kiosk/kiosk\_demo: Nerves web kiosk demo · GitHub with {:kiosk\_system\_rpi5, "~\> 0.2.1", runtime: false, targets: :rpi5} RPI CM5 4GB RAM eMMC I use the Waveshare CM5-PoE-BASE-A I tested …

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## [Compute Module 5 supported?](https://forum.elixirforum.com/t/compute-module-5-supported/68515)

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**Author:** [@devployment](https://forum.elixirforum.com/u/devployment)\
**Replies:** 12\
**Last updated:** [January 22, 2025, 6:03pm UTC](https://forum.elixirforum.com/t/compute-module-5-supported/68515 "2025-01-22T18:03:09Z")

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Is the Compute Module 5 supported? Currently playing around with a CM5 and IO Board. Tried a new project with MIX\_TARGET=rpi5 mix firmware.burn. In the end I cannot connect to the rpi. No HDMI output no nothing. All I ca…

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## [Affordable alternatives to RPI for Nerves?](https://forum.elixirforum.com/t/affordable-alternatives-to-rpi-for-nerves/66333)

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**Author:** [@D4no0](https://forum.elixirforum.com/u/D4no0)\
**Replies:** 26\
**Last updated:** [January 17, 2025, 12:40pm UTC](https://forum.elixirforum.com/t/affordable-alternatives-to-rpi-for-nerves/66333 "2025-01-17T12:40:53Z")

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Damn, can’t wait to have some free time to actually do a project involving all of this. It would be great to find a more affordable alternative to RPI, as I don’t really want to spend 100$ just for the device.

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## [Nerves System Releases](https://forum.elixirforum.com/t/nerves-system-releases/25621)

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**Author:** [@fhunleth](https://forum.elixirforum.com/u/fhunleth)\
**Replies:** 13\
**Last updated:** [December 7, 2024, 3:10pm UTC](https://forum.elixirforum.com/t/nerves-system-releases/25621 "2024-12-07T15:10:50Z")

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Nerves systems provide the operating system, libraries and other tools for building firmware for specific hardware. The Nerves Core Team maintains a set of ports to widely available hardware. Nerves runs on many other bo…

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## [Flashing Nerves to CM4's eMMC directly - wrong size partitions?](https://forum.elixirforum.com/t/flashing-nerves-to-cm4s-emmc-directly-wrong-size-partitions/58953)

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**Author:** [@tomazbracic](https://forum.elixirforum.com/u/tomazbracic)\
**Replies:** 4\
**Last updated:** [November 10, 2024, 12:28pm UTC](https://forum.elixirforum.com/t/flashing-nerves-to-cm4s-emmc-directly-wrong-size-partitions/58953 "2024-11-10T12:28:11Z")

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Hi, I have: Raspberry CM4 8Gb, 32Gb eMMC CM4 IO expansion board I would like to correctly flash CM4 and make it operational (without SD Card). I was following or lets say combining few sources: https://qbereau.has…

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## [Using a RasPi pico with Nerves](https://forum.elixirforum.com/t/using-a-raspi-pico-with-nerves/37641)

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**Author:** [@Rich\_Morin](https://forum.elixirforum.com/u/Rich_Morin)\
**Replies:** 7\
**Last updated:** [October 12, 2024, 9:54am UTC](https://forum.elixirforum.com/t/using-a-raspi-pico-with-nerves/37641 "2024-10-12T09:54:27Z")

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The Raspberry Pi pico seems like a very nifty platform for the sorts of IoT projects I’d like to play with. However, it doesn’t run Linux, so it doesn’t seem like a Nerves port is in the cards. That said, I wonder if it…

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## [Missing console on RasPi3 7" Touchscreen?](https://forum.elixirforum.com/t/missing-console-on-raspi3-7-touchscreen/66393)

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**Author:** [@udoschneider](https://forum.elixirforum.com/u/udoschneider)\
**Replies:** 12\
**Last updated:** [October 6, 2024, 10:29am UTC](https://forum.elixirforum.com/t/missing-console-on-raspi3-7-touchscreen/66393 "2024-10-06T10:29:44Z")

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Before I start debugging, I have a quick question: Is the current RPi3 system (v1.28.1) supposed to display a console on the RPi 7" Touchscreen? Raspbian uses the screen without any problem, so the screen is fine. I fla…

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## [What value / how many blocks to increase rootfs size on a RPI 4](https://forum.elixirforum.com/t/what-value-how-many-blocks-to-increase-rootfs-size-on-a-rpi-4/59817)

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**Author:** [@quentin](https://forum.elixirforum.com/u/quentin)\
**Replies:** 1\
**Last updated:** [November 20, 2023, 3:23pm UTC](https://forum.elixirforum.com/t/what-value-how-many-blocks-to-increase-rootfs-size-on-a-rpi-4/59817 "2023-11-20T15:23:01Z")

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Hi, I’m trying to increase the rootfs A & B partitions of a RPi4. By default it’s ~128MB / 289044 blocks. I tried to double it (578088 blocks) but didn’t work. The Pi’s bootloader complains that it doesn’t find any fir…

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## [Nerves rpi2 and tcn75a: Circuits.I2C.detect\_devices() issue](https://forum.elixirforum.com/t/nerves-rpi2-and-tcn75a-circuits-i2c-detect-devices-issue/52900)

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**Author:** [@alpa669](https://forum.elixirforum.com/u/alpa669)\
**Replies:** 1\
**Last updated:** [January 3, 2023, 1:49am UTC](https://forum.elixirforum.com/t/nerves-rpi2-and-tcn75a-circuits-i2c-detect-devices-issue/52900 "2023-01-03T01:49:50Z")

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Hi, i have a system with raspberry 2, nerves and tcn75a but Circuits.I2C.detect\_devices() command not return nothing device on i2c bus. The sensor tcn75a is supported? Thanks

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## [:export\_failed when trying to open a specific GPIO pin](https://forum.elixirforum.com/t/export-failed-when-trying-to-open-a-specific-gpio-pin/52343)

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**Author:** [@benwilson512](https://forum.elixirforum.com/u/benwilson512)\
**Replies:** 1\
**Last updated:** [December 16, 2022, 6:47pm UTC](https://forum.elixirforum.com/t/export-failed-when-trying-to-open-a-specific-gpio-pin/52343 "2022-12-16T18:47:27Z")

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Hey folks! I’ve been working with a Raspberry Pi 3b+ and nerves as part of a very fun espresso machine project. For some reason GPIO pin 5 specifically has this issue: {:ok, gpio5} = Circuits.GPIO.open(5, :input, pull\_m…

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## [Elixir Nerves -- wrong I2C?](https://forum.elixirforum.com/t/elixir-nerves-wrong-i2c/51105)

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**Author:** [@Daz](https://forum.elixirforum.com/u/Daz)\
**Replies:** 0\
**Last updated:** [October 17, 2022, 5:10pm UTC](https://forum.elixirforum.com/t/elixir-nerves-wrong-i2c/51105 "2022-10-17T17:10:25Z")

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Hi! I am very new to all of this but I’m hoping you can help me. I have an original Raspberry Pi with some sensors attached (GPIO, I2C, SPI). In Raspbian, everything seems to work as intended. I run i2cdetect -y 0 and I…

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## [How to fix "Warning: apt-key is deprecated" when installing Elixir on a Raspberry Pi](https://forum.elixirforum.com/t/how-to-fix-warning-apt-key-is-deprecated-when-installing-elixir-on-a-raspberry-pi/47549)

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**Author:** [@RooSoft](https://forum.elixirforum.com/u/RooSoft)\
**Replies:** 5\
**Last updated:** [May 9, 2022, 8:24pm UTC](https://forum.elixirforum.com/t/how-to-fix-warning-apt-key-is-deprecated-when-installing-elixir-on-a-raspberry-pi/47549 "2022-05-09T20:24:39Z")

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Trying to install elixir on a Raspberry pi using the official instructions leads to an error. The sudo apt-key add erlang\_solutions.asc command issues this message: Warning: apt-key is deprecated. Manage keyring files …

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## [Elixir installation for latest Raspberry Pi "bullseye" from erlang-systems.com](https://forum.elixirforum.com/t/elixir-installation-for-latest-raspberry-pi-bullseye-from-erlang-systems-com/47288)

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**Author:** [@zevv](https://forum.elixirforum.com/u/zevv)\
**Replies:** 0\
**Last updated:** [April 19, 2022, 9:29am UTC](https://forum.elixirforum.com/t/elixir-installation-for-latest-raspberry-pi-bullseye-from-erlang-systems-com/47288 "2022-04-19T09:29:45Z")

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We would like to upgrade our farm of “embedded” raspberries to the latest official Raspbian version “Bullseye”. We are lazy and use the elixir binaries kindly provided by erlang-systems as described in the official Elixi…

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## [Can I Install elixir on Ubuntu Server 20.04 with a armhf architecture?](https://forum.elixirforum.com/t/can-i-install-elixir-on-ubuntu-server-20-04-with-a-armhf-architecture/44070)

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**Author:** [@kenba](https://forum.elixirforum.com/u/kenba)\
**Replies:** 2\
**Last updated:** [November 24, 2021, 2:17pm UTC](https://forum.elixirforum.com/t/can-i-install-elixir-on-ubuntu-server-20-04-with-a-armhf-architecture/44070 "2021-11-24T14:17:06Z")

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I want to run an api on my raspberry pi 3b which I created using Elixir & Phoenix. The first step to install elixir onto Ubuntu is to add the erlang-solutions repo key, but there doesn’t seem to be release that supports …

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## [Trying to use joystick - Can't see/access /dev/input/js0 on RPi3](https://forum.elixirforum.com/t/trying-to-use-joystick-cant-see-access-dev-input-js0-on-rpi3/41979)

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**Author:** [@greghgradwell](https://forum.elixirforum.com/u/greghgradwell)\
**Replies:** 3\
**Last updated:** [August 28, 2021, 11:05pm UTC](https://forum.elixirforum.com/t/trying-to-use-joystick-cant-see-access-dev-input-js0-on-rpi3/41979 "2021-08-28T23:05:12Z")

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I am using the Joystick package (which I am also now maintaining) to connect to a USB joystick. I have no issues when I am on my Linux machine, but I have not been successful with the same code on a Raspberry Pi 3. When…

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## [Pi\_dash - automotive (rally) dash written in Elixir and React that runs on Raspberry Pi](https://forum.elixirforum.com/t/pi-dash-automotive-rally-dash-written-in-elixir-and-react-that-runs-on-raspberry-pi/38174)

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**Author:** [@pay64k](https://forum.elixirforum.com/u/pay64k)\
**Replies:** 3\
**Last updated:** [March 16, 2021, 10:12pm UTC](https://forum.elixirforum.com/t/pi-dash-automotive-rally-dash-written-in-elixir-and-react-that-runs-on-raspberry-pi/38174 "2021-03-16T22:12:16Z")

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Hey, this is my first big project that I would like to share with this community. I’ve done it because of lack of tachometer in my 'soon-to-be\` amateur rally car as well as to practice Elixir skills. Checkout the projec…

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## [Add packages to the nerves firmware](https://forum.elixirforum.com/t/add-packages-to-the-nerves-firmware/15122)

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**Author:** [@adrian](https://forum.elixirforum.com/u/adrian)\
**Replies:** 7\
**Last updated:** [March 9, 2021, 1:56pm UTC](https://forum.elixirforum.com/t/add-packages-to-the-nerves-firmware/15122 "2021-03-09T13:56:51Z")

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Hello, I have a project with a Phoenix based UI, and one of the requirements is to get a PDF report. I’m using Raspberry Pi 3, and I’ve read Systems — nerves v1.14.3 when running make menuconfig I see some packages th…

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## [Is 1.7 the latest Elixir version for Raspberry Pi?](https://forum.elixirforum.com/t/is-1-7-the-latest-elixir-version-for-raspberry-pi/36553)

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**Author:** [@APB9785](https://forum.elixirforum.com/u/APB9785)\
**Replies:** 6\
**Last updated:** [January 2, 2021, 1:18am UTC](https://forum.elixirforum.com/t/is-1-7-the-latest-elixir-version-for-raspberry-pi/36553 "2021-01-02T01:18:51Z")

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Like the topic says. Using apt installs 1.7, and says there are no more updates. Since Phoenix only requires 1.6+, maybe it’s just fine, but is there any other functionality that is missing?

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## [Using Elixir to control electric shutter or a horse feeder](https://forum.elixirforum.com/t/using-elixir-to-control-electric-shutter-or-a-horse-feeder/33875)

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**Author:** [@seb5law](https://forum.elixirforum.com/u/seb5law)\
**Replies:** 2\
**Last updated:** [September 13, 2020, 6:18pm UTC](https://forum.elixirforum.com/t/using-elixir-to-control-electric-shutter-or-a-horse-feeder/33875 "2020-09-13T18:18:48Z")

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Hello Nerves magicians, I am new to hardware programming but I use elixir professionally for web development. Background For my horses I want to use my Raspberry Pi to build a timer that controls an electric shutter. T…

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## [Epad a virtual gamepad](https://forum.elixirforum.com/t/epad-a-virtual-gamepad/34226)

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**Author:** [@joaohf](https://forum.elixirforum.com/u/joaohf)\
**Replies:** 0\
**Last updated:** [September 7, 2020, 7:16pm UTC](https://forum.elixirforum.com/t/epad-a-virtual-gamepad/34226 "2020-09-07T19:16:35Z")

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Hi! epad is a virtual gamepad which you can use your phone as a video gamepad. If you like to play old video games, or are planning to do, using projects like retropie running on raspberry pi or similar, epad could be …

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## [Bluetooth PAN serving a Phoenix app](https://forum.elixirforum.com/t/bluetooth-pan-serving-a-phoenix-app/33652)

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**Author:** [@ImNotAVirus](https://forum.elixirforum.com/u/ImNotAVirus)\
**Replies:** 8\
**Last updated:** [August 19, 2020, 1:32pm UTC](https://forum.elixirforum.com/t/bluetooth-pan-serving-a-phoenix-app/33652 "2020-08-19T13:32:28Z")

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For my first Nerves project, I would like to create a Phoenix application that would be available only via Bluetooth Personal Area Network (PAN). I’ve never done this before, but from what I could understand it would be…

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## [Anyone using LoRa modules?](https://forum.elixirforum.com/t/anyone-using-lora-modules/21740)

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**Author:** [@chbla](https://forum.elixirforum.com/u/chbla)\
**Replies:** 12\
**Last updated:** [August 14, 2020, 7:47am UTC](https://forum.elixirforum.com/t/anyone-using-lora-modules/21740 "2020-08-14T07:47:00Z")

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Hi there, I just wanted to ask if anyone maybe used LoRa(Wan) RF modules with Nerves already? I have a couple of usecases where it would be nice, but don’t have a clue how this would work. I assume via GPIOs/serial co…

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## [USB to TTL Adapter --\> Raspberry Pi](https://forum.elixirforum.com/t/usb-to-ttl-adapter-raspberry-pi/31826)

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**Author:** [@julngomz](https://forum.elixirforum.com/u/julngomz)\
**Replies:** 2\
**Last updated:** [July 26, 2020, 7:30am UTC](https://forum.elixirforum.com/t/usb-to-ttl-adapter-raspberry-pi/31826 "2020-07-26T07:30:08Z")

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Alright, I am stuck on this problem. I am trying to connect to the Raspberry Pie 4 via a USB to TTL Adapter. Specifically this one: DSD TECH SH-U09C2 USB to TTL Adapter Features: USB 2.0A Public Interface Built-in …

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## [Rpi4 hardware pwm dtoverlay need kernel module?](https://forum.elixirforum.com/t/rpi4-hardware-pwm-dtoverlay-need-kernel-module/33264)

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**Author:** [@leon](https://forum.elixirforum.com/u/leon)\
**Replies:** 2\
**Last updated:** [July 23, 2020, 7:49pm UTC](https://forum.elixirforum.com/t/rpi4-hardware-pwm-dtoverlay-need-kernel-module/33264 "2020-07-23T19:49:41Z")

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Hi all! Really loving the Nerves system :slight\_smile: I am trying to get hardware PWM working on Nerves on a RPI4. I had this working on Raspbian before. For Nerves, I was able to customize things to get the dtoverlay …

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## [Connecting to BerryGPS-IMUv3](https://forum.elixirforum.com/t/connecting-to-berrygps-imuv3/29770)

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**Author:** [@Rich\_Morin](https://forum.elixirforum.com/u/Rich_Morin)\
**Replies:** 2\
**Last updated:** [March 11, 2020, 3:43pm UTC](https://forum.elixirforum.com/t/connecting-to-berrygps-imuv3/29770 "2020-03-11T15:43:29Z")

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I have a pair of BerryGPS-IMUv3 (10 DOF + GPS) HATs which I want to use with a pair of Raspberry Pi 3B+ and 4B computers, using Raspbian and Stormux (an Arch Linux ARM variant) respectively. I’m able to talk to the devi…

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## [Is the Raspberry Pi Zero W powerful enough for Nerves + Membrane + video streaming](https://forum.elixirforum.com/t/is-the-raspberry-pi-zero-w-powerful-enough-for-nerves-membrane-video-streaming/28401)

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**Author:** [@Phillipp](https://forum.elixirforum.com/u/Phillipp)\
**Replies:** 7\
**Last updated:** [January 21, 2020, 1:31pm UTC](https://forum.elixirforum.com/t/is-the-raspberry-pi-zero-w-powerful-enough-for-nerves-membrane-video-streaming/28401 "2020-01-21T13:31:13Z")

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Hey, as the title states, I would like to know if the Raspberry Pi Zero W is powerful enough to run the Membrane framework on Nerves and use it to stream the video (720p, 24fps) from the Raspberry Pi camera module to an…

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## [Nerves Kiosk System Release](https://forum.elixirforum.com/t/nerves-kiosk-system-release/25622)

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**Author:** [@mobileoverlord](https://forum.elixirforum.com/u/mobileoverlord)\
**Replies:** 2\
**Last updated:** [September 26, 2019, 12:59pm UTC](https://forum.elixirforum.com/t/nerves-kiosk-system-release/25622 "2019-09-26T12:59:35Z")

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New versions of the Kiosk systems are out. These systems update official Nerves systems with a local web browser for rendering user interfaces. The following kiosk system updates align with the v1.9.0 Nerves system rele…

[Next page](https://forum.elixirforum.com/tag/raspberrypi/786.md?match_all_tags=true&page=1&tags%5B%5D=raspberrypi)
