Here are the articles, videos, and tools that we’ve been excited about this August.

What have you been reading? Share in the comments or on the Interrupt Slack.

Articles & Learnings

• Introduction to Embedded Systems with Rust: A Beginner’s Guide Using ESP32
  Friendly tutorial for getting started with Rust on the ESP32. – Noah

• Reverse-Engineering a Raspberry Pi Zero 2 W SoC
  Reverse-engineering effort reveals the custom “RP3A0” SoC used only by Raspberry Pi. – Noah

• State of the Art for Reducing Executable Size (LLVM Discourse Thread)
  Interesting discussion on shrinking highly optimized executables. – Noah

• How Rust & Embassy Shine on Embedded Devices (Part 1)
  A hands-on introduction to dua_blinka (LED control on a Pico W) using Embassy’s async Rust magic—with nine rules for safer, maintainable embedded code and emulator setup thrown in.

Projects & Tools

• GitHub: ESP32-Bus-Pirate
  ESP32 port of the famous Bus Pirate protocol hacking multi-tool, with a web-based CLI. – Noah

• GitHub: elf_diff
  Handy tool for visually comparing ELF binaries. – Noah

• YouTube:Photodiode-Powered nRF52
  Very cool project showing a Nordic nRF52 chip powered by just a tiny photodiode. – Noah

News & Announcements

• Matter 1.4.2 | Enhancing Security and Scalability for Smart Homes
  Adds support for Wi-Fi–only provisioning, continuing Matter’s push for more flexible and secure onboarding. – Noah

• Nordic Semiconductor launches nRF Connect SDK Bare Metal option for nRF54L Series
  RTOS-independent development option for simple Bluetooth LE apps on nRF54L Series, easing migration from nRF5 SDK and offering a smooth upgrade path to Zephyr RTOS—all built around the familiar SoftDevice architecture.

Upcoming Events

• Tuesday, September 16 – Coredump EP #016: From Startup to Global Brand: Scaling Engineering at reMarkable
  How do you grow from a startup with homegrown systems to a global brand with millions of devices without compromising quality? reMarkable CTO Nico Cormier joins Memfault’s François Baldassari and Chris Coleman to share hard-won lessons on release velocity, operational stability, and scaling engineering teams. Join us live at 8AM PT | 11AM ET | 5PM CET.

• September 16–November 4 – Nordic Tech Tour: Americas 2025
  Nordic is hitting the road this fall with 14 in-person events across the Americas. Join wireless IoT experts—and the Memfault team—for hands-on workshops and sessions covering Bluetooth LE, satellite and cellular IoT, power management, and the latest nRF54 Series SoCs. Free to attend, with limited workshop seats available.