Episodes
55
Latest episode
Oct 2026
Language
EN-US
TMPDIR is a podcast about embedded Linux, Yocto/OpenEmbedded, Zephyr, and IoT product engineering. Cliff Brake and Khem Raj dig into BSPs, OTA updates, Linux kernel and device tree work, firmware and RTOS development, build systems (BitBake, Kas), and the editor/CLI tools embedded engineers actually use day to day.
Jared Wolff of Circuit Dojo joins us to discuss low-power cellular IoT with the Nordic nRF9151 Feather: microamp sleep currents, reliable LTE-M connectivity, satellite NTN, Zephyr RTOS, and Lion, his self-hosted Rust IoT server built on CoAP, DTLS, and CBOR.
How we record and publish this podcast with a self-hosted static site and a virtual studio: Zola and the simplepod theme for RSS, VDO.Ninja for low-latency WebRTC calls, OBS and Audacity for recording, and a Claude Code skill that transcribes with Whisper and publishes in minutes.
Technical writing for developers with Michael Lynch, author of Refactoring English. We cover structuring a book for reader ROI, cutting aggressively, using AI as a teacher instead of a ghostwriter, and a self-publishing toolchain built on Asciidoctor, Nix, and Hugo.
Tim Bird of Sony joins us on Space Grade Linux (SGL) — the ELISA-incubated project bringing embedded Linux to spacecraft. We cover the meta-sgl Yocto layer, fault-tolerant file systems, QEMU radiation simulation, fleet OTA updates, and how Linux already dominates on-orbit compute via Starlink.
We reflect on 2025, what is new, trends, tools, etc.
Learn about the FPGA and RISC-V products.
Learn from the authors of this useful book.
Learn about Clang, its history in Yocto, and what is new.
Learn what is happening in the meta-tegra layer for NVIDIA embedded products.
Learn how Avocado OS is solving Embedded Linux problems
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