The Zephyr Podcast

Benjamin Cabé & Fabio Baltieri
  • 5.0 (1)
  • Technology
  • Updated Weekly

A weekly chat about all things Zephyr RTOS—community news, technical discussions, and more.

  1. 3d ago

    The Native Sim-phony

    Linus' guitar pedal project, and why it clearly needs Zephyr next RISC-V Summit Europe recap: QEMU, custom instructions, DSPs, and low-power cores ETM tracing, CoreSight, and "time-travel" debugging Testplan v2 for faster, smarter CI CMake unity build experiments ESP-NOW broadcast sample and ESP32 WPA Enterprise support Realtek Ameba Wi-Fi support BCM2711 framebuffer driver for Raspberry Pi native_sim DMIC and I2S file backend for audio testing DMIC shell nPM10xx LED driver and fake LED controller ARMv8-A AArch32 execution state support DPLPMTUD probe tracking for QUIC Neighbor Awareness Networking, aka Wi-Fi Aware Experimental Model Context Protocol support Mutex misuse detection and reverse iterable sections Himax HX8353E display driver New shields and boards: MikroElektronika EERAM 3.3V Click and Armfly STM32H743XIH6 Upcoming Zephyr meetups and developer survey reminder Join us on Discord! // #podcast at https://chat.zephyrproject.org

    48 min

  2. Jun 5

    The Year of the Zephyr Router

    A reminder to fill out the Zephyr Developer Survey 2026 before it closes at the end of June. Thanks in advance! iBattery SDK, a Zephyr-friendly battery intelligence layer with software-side state-of-charge experiments ZMK coredump experimentation using coredump subsystem flash backend for persistent post-crash diagnostics Fresh documentation for iterable sections ESP32 power-down support for better CPU and peripheral power management The board catalog can now expose and search by RAM and flash size IPv4 NAT support min-len/max-len properties for better Devicetree binding validation A generic charlieplex LED matrix driver Color dithering support for palette-backed displays, including six-color e-paper panels X-NUCLEO-WBA25A1, a Bluetooth 6 expansion shield with UART/SPI HCI options QEMU Arm Cortex-A72 support for Raspberry Pi 4-style emulation work  ArduCam Mega SPI Camera Shield M5Stack PaperColor, with a Spectra 6 full-color e-paper display and PMIC support nRF93M1 DK, a compact Nordic LTE Cat 1 bis development kit ESP32-P4 support landed, with ESP32-P4-Function-EV-Board as the first board supported Analog Devices Low-Speed Mixed-Signal Playground for ADC/DAC-heavy analog experiments Linus Torvalds' GuitarPedal project USB2CANFDV2, a tiny WeAct USB-to-CAN-FD board with isolated CAN Submit ideas for the Zephyr Workshop 2026, and one more nudge to fill out the developer survey :) Join us on Discord! // #podcast at https://chat.zephyrproject.org

    44 min

  3. May 29

    Beep Boop, Fastboot

    Please take 5-10 min to fill out the Zephyr Developer Survey if you haven't already! An Ada runtime for Zephyr Composite fuel gauge support for battery estimation without a dedicated fuel-gauge IC Golioth's local shell talks SMP to devices over Web Serial, with a live demo at local-shell.golioth.dev USB Fastboot support in the works ESP32-P4 support coming, because apparently ESP32 can also mean "no Wi-Fi" The new buzzer subsystem, and thoughts on RTTTL-style ringtone playback DT_NODELABEL_C_TOKEN, for retrieving devicetree node labels as C tokens West snippets, including listing and shell completion support TAD2144 TMR angle sensor driver TMP451 temperature sensor driver, including remote temperature sensing use cases ESP32 I2C target mode support Nordic USBHS and BC1.2 battery charging support AD5529R high-voltage DAC shield LilyGO T-Deck support, a keyboard-and-display ESP32-S3 LoRa device Oh, did we mention the Developer Survey? Join us on Discord! // #podcast at https://chat.zephyrproject.org

    37 min

  4. May 22

    The Zephyrtastic Episode

    Build there, flash here workflow for remote builds and local flashing A Zephyr-native Meshtastic stack, with LoRa, Protobuf, GNSS, sensors, MQTT and more minmax.h cleanup for the new lowercase min/max macros Min/max constraints for devicetree binding properties BCM2711 mailbox controller support for Raspberry Pi nsim_mount, a native_sim filesystem for mounting host directories A new DALI lighting subsystem DT_DESCENDANT_NUM_ON_BUS devicetree helper CS40L26/27 haptic driver support Titan Micro TM6605 LRA haptic driver LP586x I2C LED matrix driver New and updated boards: Arduino Nesso N1, Wio Tracker L1, W6100-EVB-Pico2, KC868-A8 The Zephyr Developer Survey 2026 is open! The Documentation Working Group RFC and Robotics WG have been created Upcoming Zephyr meetups in London, Wrocław, Vienna, Sapporo, Lyon, and more Join us on Discord! // #podcast at https://chat.zephyrproject.org

    44 min

  5. May 15

    My IPv6 Mouse Runs SSH

    Search boards by available RAM/Flash in the board catalog. New Documentation Working Group RFC The very important days without GitHub incident counter Daniel Stenberg on curl, AI reports, and high-quality chaos Mythos finding a curl vulnerability Shell alias support A proposed buzzer subsystem for portable beeps and tones Reversing devicetree dependencies for tricky initialization-order cases HTTP/3 server support on top of QUIC SSH support, including a shell backend IPv4 routing support in Zephyr's networking stack MMIO latch GPIO driver New boards: Pico Ultra, Trenz Electronic TE0950, SC-OBC Module V1, and Heltec T114 v2 Don't forget the CFP for Zephyr Developer Summit / Open Source Summit Europe!  Join us on Discord! // #podcast at https://chat.zephyrproject.org

    44 min

  6. May 8

    Smart Amps and Smarter Docs

    Valve publishes Steam Controller 3D files and STEP/STL models The weekly "is GitHub broken?" weather forecast cpu_freq thermal cap constraints for runtime frequency scaling GPIO keys shutdown behavior and low-power pin handling Twister multi-DUT testing for coordinated tests across multiple devices DEVICE_API_EXTENDS for devices exposing multiple APIs More options for HTTP client shell commands TAS2563 I2S smart amplifier driver FDC1004 4-channel capacitance sensor Renesas SLG47910 FPGA driver Kapa.ai chatbot now live in the Zephyr documentation New shields and boards: M5Stack Unit Gesture, Arduino Nesso N1, Tomu, XIAO ESP32C5, FlySky FS-i6S, Alif Balletto B1, and reTerminal E1003 CFP is open for Open Source Summit Europe / Zephyr Developer Summit Join us on Discord! // #podcast at https://chat.zephyrproject.org

    53 min

  7. May 1

    Press Any Kite to Start

    Linus Torvalds merges a 138k lines-of-code removal in Linux networking Highlights from Git 2.54, including git history, split, and replay WPA3 support for AIROC and nRF Wi-Fi Valve's new Steam Controller teardown, with Zephyr spotted in the firmware Mapped partitions and ranges cleanup Mermaid diagram support for Zephyr documentation A new fixed-size FIFO implementation Remote shell clients support Silergy SY6974B 3A single-cell charger driver EL073TF1 Spectra 6 color e-ink display support Sensylink CHT8315 temperature and humidity sensor PAC194x multi-channel power monitor Generic GPIO bitbang PWM driver New boards: Sipeed M1S Dock, Sipeed M0Sense, and XIAO ESP32C5 Zephyr 4.4's Bluetooth LE Host qualification Upcoming events: RISC-V Summit Europe and Open Source Summit North America Join us on Discord! // #podcast at https://chat.zephyrproject.org

    47 min

  8. Apr 24

    More Architectures Than IPs

    Yes, seriously: an IETF draft for IPv8 More Zephyr-adjacent goodness in Framework hardware, with ZMK powering the new keyboard Windows 9x for Linux, because running a Linux kernel as a Windows 95 application is apparently a thing ST's beefy STM32H7RS "boot flash enabled" Cortex-M7 MCU PebbleOS on Zephyr, spotted via Adafruit OpenDeck, a Zephyr-based hardware and software platform for MIDI controllers New processor architectures coming: TriCore and Hexagon A lightweight serial IPC backend using COBS PTP IEEE 802.3 transport support lands after a thorough review cycle HTTP/3 support follows up on the recently merged QUIC work A proposed Robotics Working Group for Zephyr A kinematic tree subsystem RFC for modeling robotics-style mechanical structures Seeed Studio's COB LED driver board support Shell aliases for taming long Zephyr shell command hierarchies An overhaul of testplan discovery on pull requests, with hopes for faster and more accurate CI The e-ink-powered BeagleBadge board CRSF remote controller support for drones, rovers, and other robotics use cases A native LoRaWAN backend, including OTAA and Class A support The AD-APARDPFW-SL shield for single-pair Ethernet experiments ADP5360 PMIC support, showing another nice multi-function device integration Join us on Discord! // #podcast at https://chat.zephyrproject.org

    46 min
See All (39)

About

A weekly chat about all things Zephyr RTOS—community news, technical discussions, and more.

Information

  • Creator
    Benjamin Cabé & Fabio Baltieri
  • Years Active
    2025 - 2026
  • Episodes
    39
  • Rating
    Clean
  • Copyright
    © 2025
  • Show Website
    The Zephyr Podcast

You Might Also Like