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102 results for tags π x
  • How I Fixed Emacs Performance Issues on Raspberry Pi Zero 2 or a weak PC. | by Mykhailo Kazarian | May, 2025 | Medium
    On-demand native compilation uses too many resources on a Raspberry π 0. Found on Sacha Chua's blog https://sachachua.com/blog/2025/06/2025-06-09-emacs-news/
    Wed Jun 11 13:02:25 2025 - permalink -
    - https://michael-kazarian.medium.com/how-i-fixed-emacs-performance-issues-on-raspberry-pi-zero-2-3ec3eb85f280
    Emacs pi raspberry π
  • AIO-CM4-101 | Chipsee All-In-One desktop computer based on Raspberry Pi CM4.
    Found on Lars Ingebritsen's blog https://lars.ingebrigtsen.no/2023/07/19/raspberries-screens/
    Tue Apr 29 11:16:52 2025 - permalink -
    - https://chipsee.com/product/aio-cm4-101/
    computer hardware Linux pi Raspberry π
  • Happy Pi Day! | A Pi API - Happy Pi Day
    This website serves pi and interactive demos that you can listen to or see pi with. It does not provide a search function.
    Found on http://www.numberworld.org/y-cruncher/faq.html#download_digits, which wisely warns "But this is likely to be temporary."
    Thu Dec 12 10:26:30 2024 - permalink -
    - https://pi.delivery/
    google pi π
  • Raspberry Pi 500 uses QMK Firmware for built-in keyboard | Jeff Geerling
    Found via a link on https://www.raspberrypi.com/news/raspberry-pi-500-and-raspberry-pi-monitor-on-sale-now/
    Wed Dec 11 11:23:24 2024 - permalink -
    - https://www.jeffgeerling.com/blog/2024/raspberry-pi-500-uses-qmk-firmware-built-keyboard
    electronics hardware keyboard pi raspberry π
  • Guide to Setting a Static IP on Raspberry Pi: Enhance Network Stability and Access
    Instructions for setting up a Raspberry π with a static IP address.
    Found via https://www.sunfounder.com/products/power-pack, which was mentioned on the Raspberry π blog https://www.raspberrypi.com/news/capture-solar-eclipses-with-raspberry-pi-4-and-the-high-quality-camera/
    Sun May 26 12:43:55 2024 - permalink -
    - https://www.sunfounder.com/blogs/news/complete-guide-to-setting-a-static-ip-on-raspberry-pi-enhance-network-stability-and-access
    pi Raspberry software TODO π
  • BreadboardOS is the best thing since sliced bread for your Raspberry Pi Pico
    BBOS provides a command line interface (or CLI) that lets you interface with the RP2040 board directly. This makes it possible to not only interact with the Pi but also handle practical functions like real-time debugging. https://github.com/mcknly/breadboard-os
    Mon May 20 11:53:40 2024 - permalink -
    - https://www.tomshardware.com/raspberry-pi/breadboardos-is-the-best-thing-since-sliced-bread-for-your-raspberry-pi-pico
    pi Raspberry RTOS software π
  • Oscilloscope and logic analyzer powered by your Android phone/tablet and Raspberry Pi Pico or Pico W.
    An analogue frontend is available on https://store.fhdm.xyz/dso-500k
    Wed Feb 14 08:21:32 2024 - permalink -
    - https://github.com/fhdm-dev/scoppy
    Android electronics pi raspberry software π
  • Microsoft opens sources ThreadX under MIT license
    The 'Azure RTOS' used in millions of Raspberry Pis is now FOSS
    Sun Feb 11 17:39:53 2024 - permalink -
    - https://www.theregister.com/2023/11/28/microsoft_opens_sources_threadx/
    FOSS pi raspberry RTOS π
  • DCF77 clock
    Found via https://www.raspberrypi.com/news/hackspace-magazine-meets-veeb-projects/
    See also https://www.veeb.ch/projects
    Fri Feb 9 20:02:25 2024 - permalink -
    - https://github.com/veebch/clock
    electronics hardware pi raspberry software time π
  • Neo6502 - Open Source Hardware Board
    Neo6502 is small computer with USB keyboard host and HDMI/DVI output.
    Found on https://fosdem.org/2024/schedule/event/fosdem-2024-2093-neo6502-in-the-matrix-open-source-hardware-and-software-modern-retro-computer-with-software-defined-architecture/
    Mon Feb 5 15:40:13 2024 - permalink -
    - https://www.olimex.com/Products/Retro-Computers/Neo6502/open-source-hardware
    6502 computer hardware history pi raspberry π
  • Rclone and Go
    rclone is a command line program to sync your data to and from cloud providers. See also https://www.craig-wood.com/nick/articles/pi-chudnovsky/for Python programs to calculate π, which I found via a link on https://www.angio.net/pi/pi-programs.html
    Thu Feb 1 19:20:14 2024 - permalink -
    - https://www.craig-wood.com/nick/articles/rclone-and-go-2018/
    Go pi Python software TODO π
  • The Pi-Search Page
    Website to search for patterns in the first 2e8 decimal digits of π.
    Thu Feb 1 19:11:29 2024 - permalink -
    - https://www.angio.net/pi/
    mathematics on-line pi tool π
  • William Denton's blog
    https://www.miskatonic.org/2023/11/05/fd/ fd, a modern replacement for Unix find(1). Refers to a list of replacements (improvements) for several Unix tools on
    https://github.com/ibraheemdev/modern-unix
    See also https://www.miskatonic.org/2023/02/21/commands/ for a one-line pipeline to calculate frequencies of unix commands,
    https://www.miskatonic.org/2022/02/12/pihole/ for π-hole
    https://www.miskatonic.org/2021/09/26/launcher/ custom GNOME launcher
    https://www.miskatonic.org/2020/08/25/firefox-and-emacs-again/ release race between Firefox and Emacs
    https://www.miskatonic.org/2020/05/28/emacs-refactoring/  Emacs refactoring - maintaining Emacs configuration
    https://www.miskatonic.org/2020/05/24/backups/ Backups and encrypting disks in Linux
    https://www.miskatonic.org/2019/07/05/sshfs-phone/ Mount an Android phone on Linux/Unix with sshfs
    https://www.miskatonic.org/2017/08/21/lineageos/ LineageOS update
    Thu Jan 18 13:17:50 2024 - permalink -
    - https://www.miskatonic.org
    blog pi raspberry software TODO Unix π
  • Getting Started with Badger 2040
    Badger 2040 is a programmable E Paper/eInk/EPD badge, powered by RP2040. Badger 2040 W is a programmable E Paper/eInk/EPD badge with 2.4GHz wireless connectivity, powered by Raspberry Pi Pico W. Both can go into a deep sleep mode between updates to preserve battery.
    Fri Jan 12 16:37:17 2024 - permalink -
    - https://learn.pimoroni.com/article/getting-started-with-badger-2040#introduction
    electronics hardware pi raspberry π
  • Clustered Pi Picos made to run original Transputer code
    The PIO programmable I/O unit can be used to emulate transputer links and presumably (http://www.inmos.com/inmos_legacy.html) SpaceWire links.
    Sun Dec 24 10:47:56 2023 - permalink -
    - https://www.theregister.com/2022/05/06/pi_pico_transputer_code/
    computer history pi raspberry SpaceWire TODO π
  • Create your own Slack bot with a Raspberry Pi Pico W - Raspberry Pi
    C-based Slack bot
    For the C version, the following libraries will be used alongside the pico-sdk:
    The C-based parts use the follolwing components:
    FreeRTOS kernel – to provide a Real-time Operating System (RTOS) for the networking stack
    lwIP – for TCP/IP communications
    Mbed TLS – for TLS communications
    coreHTTP – for the HTTP client
    cJSON – for parsing and serializing JSON data
    Tue Dec 19 11:21:37 2023 - permalink -
    - https://www.raspberrypi.com/news/create-your-own-slack-bot-with-a-raspberry-pi-pico-w/
    pi raspberry RTOS software π
  • [Oberon] Re (2): UEFI
    Neutral description of BIOS, UEFI and IME and some hints about the boot mechanism used by the Raspberry pi on the Oberon mailing list.
    Fri Nov 3 16:39:29 2023 - permalink -
    - https://lists.inf.ethz.ch/pipermail/oberon/2021/015933.html
    BIOS computer IME Oberon pi raspberry UEFI Wirth π
  • Time Card mini adds Pi, GPS, and OCXO to your PC
    PTP time on a Raspberry Pi CM 4. Note that the Rpi 5 also has PTP support.
    See also https://www.jeffgeerling.com/blog/2022/ptp-and-ieee-1588-hardware-timestamping-on-raspberry-pi-cm4
    https://store.timebeat.app/collections/timecard-mini
    He mentioned another time-related HAT on his video https://m.youtube.com/watch?v=RvnG-ywF6_s

    https://www.jeffgeerling.com/blog/2023/build-your-own-private-wireguard-vpn-pivpn is interesting too.
    Sat Oct 14 12:34:18 2023 - permalink -
    - https://www.jeffgeerling.com/blog/2023/time-card-mini-adds-pi-gps-and-oxco-your-pc
    electronics hardware pi PTP raspberry software time TODO π
  • Raspberry Pi Pico NeoPixel LED Examples
    Controlling NeoPixel LEDs with a Raspberry pi Pico and Circuit Python.
    Sat Oct 14 12:30:26 2023 - permalink -
    - https://projects-raspberry.com/raspberry-pi-pico-neopixel-led-examples/
    DSKY electronics pi Pico Python raspberry software π
  • GitHub - luigifcruz/CyberEther: Radio: the final frontier.
    Portable and heterogeneously-accelerated graphical visualization for radio signals.
    Features
    🦑 Meant to be extremely portable (NVIDIA, Apple M1/M2, Raspberry Pi, AMD).
    🖼️ Meant to support the most common heterogeneous APIs (CUDA, Vulkan, Metal, WebGPU).
    🔋 Runtime configurable hardware accelerated heterogeneous computing.
    🧳 Compatible with GNU Radio with gr-cyber.
    Found on https://www.rtl-sdr.com/rfnm-now-available-for-pre-order/

    See also the PiSDR image, an MIT-licensed distribution for the raspberry π from the same author https://github.com/luigifcruz/pisdr-image
    Mon Sep 18 14:00:29 2023 - permalink -
    - https://github.com/luigifcruz/CyberEther
    MIT pi radio raspberry software π
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