publish: spring/early summer roundup

 ### Summary

Spring/early summer 2026 roundup is ready to publish! 🎉

 ### Test Plan

 <details>
 <summary>Publishing checklist</summary>

- [x] Is the date correct?
- [x] Is the URL correct?
- [x] Is the markdown file name correct? (date and article)
- [x] Is the title optimized for SEO?
- [x] Are there tags added?
- [x] Is the meta description added?
- [x] Do we have full author info?
- [x] Is the excerpt correct?
- [x] Do all links work?
- [x] Have all images rendered correctly? N/A
- [x] Have all code snippets rendered correctly? N/A
- [x] Have we cross linked to all relevant preexisting articles?
      (i.e. related content, other articles in a series, etc.) N/A

 </details>

Author: gminn

_posts/2026-07-02-march-through-june-2026-roundup.md

@@ -0,0 +1,111 @@
+---
+title: "What we've been reading this Spring/Early Summer (2026)"
+description:
+   Here are the articles, videos, tools, and announcements we've been excited
+  about in March through June 2026.
+author: gminn
+tags: [roundup]
+---
+
+<!-- excerpt start -->
+
+It is officially the heart of summer! ☀️ Here are the articles, tools, and
+announcements that we've been excited about this spring/early summer.
+
+<!-- excerpt end -->
+
+What have you been reading? Share in the comments or
+[on the Interrupt Slack](https://interrupt-slack.herokuapp.com/).
+
+## Articles & Learning
+
+- [**VIC-II Chip Technical Reference | Zimmers.net**](https://www.zimmers.net/cbmpics/cbm/c64/vic-ii.txt)<br>
+   Old-school game development and firmware have a lot in common. – François
+
+- [**Cloning a Sennheiser BA2015 Accu Pack | brixit**](https://blog.brixit.nl/cloning-a-sennheiser-ba2015-accu-pack/)<br>
+   A deep dive into reverse engineering and recreating a smart battery pack. –
+   Noah
+
+- [**Hosting a Website on an 8-bit Microcontroller | Maurycy's Projects**](https://maurycyz.com/projects/mcusite/)<br>
+   A fun tour of serving a website from a tiny microcontroller. – Noah
+
+- [**Using an LLM to Design a RISC-V CPU | arXiv**](https://arxiv.org/pdf/2603.08716)<br>
+   Using an LLM to design a RISC-V CPU (pdf warning). – Noah
+
+- [**CHERIoT First Silicon | CHERIoT**](https://cheriot.org/silicon/2026/03/04/cheriot-first-silicon.html)<br>
+   The CHERIoT project has first silicon, and
+   [CHERI Linux](https://cheri-linux.org/) is also looking workable. – Ash
+
+- [**How a Broken Bike Sync Led Me to Reverse Engineering My Wahoo’s Hidden Debug Mode**](https://noahclements.com/Wahoo-Bolt-Hidden-Debug-Mode/)<br>
+  Reverse engineering the Wahoo ELEMNT Bolt v3 BLE protocol unlocked a hidden
+  debug mode. – Jon
+
+- [**TLS Encrypted Client Hello (ECH) RFC**](https://www.rfc-editor.org/rfc/rfc9849.html)<br>
+  TLS Encrypted Client Hello (ECH) RFC is now published. – Noah
+
+- [**Intentional flash corruption for STM32 microcontrollers | xarantolus**](https://blog.010.one/Dont-snipe-me-in-space-intentional-flash-corruption-for-stm32-microcontrollers)<br>
+  Interrupt community member Mo Ger shared that provoking flash corruption in
+  order to test ECCD handling was something they recently needed for work, so
+  this article proved to be quite useful for them!
+
+- [**The overclocked timer | Mr. PY**](https://mrpy.hashnode.dev/the-overclocked-timer)<br>
+  Interrupt community member Andrew Kohlsmith shared that this article was a
+  well-written horror story of an overclocked timer and marathon debug session.
+
+## Projects & Tools
+
+- [**LightInk | Hackaday.io**](https://hackaday.io/project/205564-lightink)<br>
+   Very impressive battery life on an ESP32 watch project, achieved by booting
+   and running directly from RTC RAM instead of the typical flash boot path. –
+   Noah
+
+- [**Xteink X4 with Open Source Firmware | Concretedog**](https://concretedog.blogspot.com/2026/04/xteink-x4-with-open-source-firmware.html)<br>
+   A small e-ink reader with open source firmware and a nice web flashing tool.
+  – Noah
+
+- [**Kindle Typewriter | Adafruit Blog**](https://blog.adafruit.com/2026/04/25/kindle-typewriter/)<br>
+   More e-paper shenanigans. – Jon
+
+- [**KiCad 10.0.0 Released | KiCad**](https://www.kicad.org/blog/2026/03/Version-10.0.0-Released/)<br>
+   Kicad v10.0.0 is out- changes include hopover display for non-connected wires
+  in schematic mode, very nice! – Noah
+
+- [**Rugix delta update cost-savings calculator**](https://rugix.org/docs/ctrl/updates/delta-updates/#cost-savings-calculator)<br>
+  Rugix has a neat cost-savings calculator. – Ash
+
+- [**dangdo44/sky130_adder_4bit | GitHub**](https://github.com/dangdo44/sky130_adder_4bit)<br>
+  Interrupt community member Dangdo shared a hands-on tutorial they developed
+  for embedded developers interested in ASIC design. It covers the manual design
+  flow of a 4-bit ripple-carry adder using the SKY130 open-source PDK and
+  open-source EDA tools.
+
+## News & Announcements
+
+- [**Linux Drivers for the ESP32-E22 Wi-Fi Module | CNX Software**](https://www.cnx-software.com/2026/06/13/espressif-esp32-e22-wifi-6e-module-gets-wi-fi-certified-certificate-an-open-source-wifi-and-bluetooth-linux-drivers/)<br>
+   Espressif's ESP32-E22 Wi-Fi 6E module gets Wi-Fi certification, along with
+   open source Wi-Fi and Bluetooth Linux drivers. – Noah
+
+- [**Web Serial Support in Firefox | Mozilla Hacks**](https://hacks.mozilla.org/2026/05/web-serial-support-in-firefox/)<br>
+   Web Serial support is finally landing in Firefox. – Ash
+
+- [**Flattened Image Tree Spec Hits 1.0 | Phoronix**](https://www.phoronix.com/news/Flat-Image-Tree-1.0)<br>
+   The Flattened Image Tree (FIT) specification has reached 1.0. – Noah
+
+- [**Zephyr Cyber Resilience Act Compliance | Zephyr Docs**](https://docs.zephyrproject.org/latest/security/standards/cyber-resilience-act.html)<br>
+   Zephyr now has a dedicated page documenting Cyber Resilience Act compliance.
+
+- [**Embedded World EU 2027 Call for Proposals**](https://events.componeers.net/embedded-world-conference/)<br>
+  The CFP for Embedded World EU 2027 is open! Abstracts are due September 28th.
+  The conference will be March 16-18 this upcoming year.
+
+## Upcoming Events
+
+- [**Nordic Webinar: Firmware Vulnerability Scanning in nRF Cloud | July 9th, 2026**](https://webinars.nordicsemi.com/events/57933710962?n=Firmware%20Vulnerability%20Scanning%20in%20nRF%20Cloud&event_id=57933710962&hsLang=en)<br>
+  We are hosting a webinar for anyone who wants to learn more about our
+  expanding CRA focused offering aimed at helping IoT device manufacturers
+  monitor CVEs in their firmware and understand real fleet exposure. There will
+  be a
+  [US session](https://webinars.nordicsemi.com/events/57933710962?n=Firmware%20Vulnerability%20Scanning%20in%20nRF%20Cloud&event_id=57933710962&hsLang=en)
+  and an
+  [EU session](https://webinars.nordicsemi.com/events/57933151558?n=Firmware%20Vulnerability%20Scanning%20in%20nRF%20Cloud&event_id=57933151558&hsLang=en).
+  Join us!

_typos.toml

@@ -85,6 +85,12 @@ extend-ignore-re = [
 
     # 899ede2be378 — Medium article URL hash
     "899ede2be378",
+
+    # ELEMNT - Wahoo product name
+    "ELEMNT",
+
+    # BA2015 - model number of a battery pack
+    "BA2015",
 ]
 
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