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---
title: "What we've been reading in May (2024)"
description:
Here are the articles, videos, and tools we've been excited about in May 2024, including a new Raspberry Pi-based hacking tool and a fun concert wristband hack for Swifties.
Here are the articles, videos, and tools we've been excited about in May 2024,
including a new Raspberry Pi-based hacking tool and a fun concert wristband
hack for Swifties.
author: tyler
tags: [roundup]
---

<!-- excerpt start -->

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

<!-- excerpt end -->

Expand All @@ -19,61 +20,75 @@ What have you been reading? Share in the comments or
## Articles & Learning

- [**JTAG Hacking with a Raspberry Pi - Introducing the PiFex**](https://voidstarsec.com/blog/jtag-pifex)<br>
A nice overview of a Raspberry Pi-based hacking tool and how it can be used with JTAG interfaces. — Eric
A nice overview of a Raspberry Pi-based hacking tool and how it can be used
with JTAG interfaces. — Eric

- [**Updating U-Boot with an A/B Strategy – Burkhard Stubert**](https://embeddeduse.com/2024/05/13/updating-u-boot-with-an-a-b-strategy/)<br>
Cool article about A/B updates! — Pat
Cool article about A/B updates! — Pat

- [**The TTY demystified**](https://www.linusakesson.net/programming/tty/)<br>
Overview of the TTY system in Linux. The first step in understanding how your keys reach your terminal. — Eric
Overview of the TTY system in Linux. The first step in understanding how your
keys reach your terminal. — Eric

- [**newlib and FreeRTOS**](https://nadler.com/embedded/newlibAndFreeRTOS.html)<br>
Deep dive into dynamic memory allocation when using FreeRTOS and Newlib. — Noah
Deep dive into dynamic memory allocation when using FreeRTOS and Newlib. —
Noah

- [**Ninja Calc**](https://ninjacalc.mbedded.ninja/)<br>
Really cool series of purpose-built calculators in hardware design to help with things like NTC thermistors, LED current limiting, and trace currents. — Eric
- [**Ninja Calc**](https://ninjacalc.mbedded.ninja/)<br> Really cool series of
purpose-built calculators in hardware design to help with things like NTC
thermistors, LED current limiting, and trace currents. — Eric

- [**John Graham-Cumming's blog: Controlling the Taylor Swift Eras Tour wristbands with Flipper Zero**](https://blog.jgc.org/2024/05/controlling-taylor-swift-eras-tour.html)<br>
Not a technically deep article, but a fun hack using Flipper on LED concert wristbands (including a short video explaining them) — Heiko
Not a technically deep article, but a fun hack using Flipper on LED concert
wristbands (including a short video explaining them) — Heiko

- [**CADmium: A Local-First CAD Program Built for the Browser**](https://mattferraro.dev/posts/cadmium)<br>
Finally, CAD in your browser! — Eric
Finally, CAD in your browser! — Eric

- [**DIY 256-Core RISC-V super computer - YouTube**](https://www.youtube.com/watch?v=lh93FayWHqw)<br>
This YouTuber took 256 RISC-V microcontrollers and wired them into a mini-supercomputer. It's completely impractical but a very cool project. — François
This YouTuber took 256 RISC-V microcontrollers and wired them into a
mini-supercomputer. It's completely impractical but a very cool project. —
François

- [**Evolution of the ELF object file format | MaskRay**](https://maskray.me/blog/2024-05-26-evolution-of-elf-object-file-format)<br>
A historical look at the ELF format. — Eric
A historical look at the ELF format. — Eric

- [**Surprise! ESP32-S3 has (a few) SIMD instructions**](https://bitbanksoftware.blogspot.com/2024/01/surprise-esp32-s3-has-few-simd.html)<br>
High-level description of the SIMD extensions on the ESP32-S3 chip. This only surfaced last year and is a pretty nice feature of these chips! — Noah
High-level description of the SIMD extensions on the ESP32-S3 chip. This only
surfaced last year and is a pretty nice feature of these chips! — Noah

- [**ESP32-S3 SIMD Minimal Example**](https://bitbanksoftware.blogspot.com/2024/01/esp32-s3-simd-minimal-example.html)<br>
A simple demo to complement the instructions above. — Noah
A simple demo to complement the instructions above. — Noah

- [**Low-Power Optimization Techniques for ARM Cortex-M Microcontrollers | MCU on Eclipse**](https://mcuoneclipse.com/2024/05/22/low-power-optimization-techniques-for-arm-cortex-m0-microcontrollers/)<br>
Article from MCUOnEclipse about Cortex-M Power optimizations. (My pick)
Article from MCUOnEclipse about Cortex-M Power optimizations. (My pick)

## Projects & Tools

- [**Hirrolot/datatype99: Algebraic data types for C99**](https://github.com/Hirrolot/datatype99)<br>
Safe, intuitive algebraic data types with exhaustive pattern matching & compile-time introspection facilities. No external tools required, pure C99. — François
Safe, intuitive algebraic data types with exhaustive pattern matching &
compile-time introspection facilities. No external tools required, pure C99. —
François

- [**ricardoquesada/bluepad32: Bluetooth gamepad, mouse and keyboard support for ESP32 and PicoW**](https://github.com/ricardoquesada/bluepad32)<br>
Project providing client support for Bluetooth gamepads on several host platforms. — Noah
Project providing client support for Bluetooth gamepads on several host
platforms. — Noah

- [**haydenridd/stm32-zig-porting-guide: Compiling an STM32CubeMX with Zig's compiler instead of arm-none-eabi-gcc.**](https://github.com/haydenridd/stm32-zig-porting-guide)<br>
Compiling an STM32CubeMX with Zig's compiler instead of arm-none-eabi-gcc. — Matheus Catarino França
Compiling an STM32CubeMX with Zig's compiler instead of arm-none-eabi-gcc. —
Matheus Catarino França

## News & Announcements

- [**GCC 14 Release Series — Changes, New Features, and Fixes - GNU Project**](https://gcc.gnu.org/gcc-14/changes.html)<br>
GCC 14.1 released :tada:!
GCC 14.1 released :tada:!

- [**Solar Storms Break Millions of Smart Devices | Memfault**](https://memfault.com/blog/solar-storms-break-millions-of-smart-devices/?utm_campaign=Company%20Blog&utm_source=Interrupt&utm_medium=Roundup)<br>
A data analysis on how the May 2024 solar storm impacted Memfault customers’ smart devices. — François
A data analysis on how the May 2024 solar storm impacted Memfault customers’
smart devices. — François

## Upcoming Events

- [**June 24-28 | Launch Week - Memfault**](https://memfault.com/launch-week/?utm_campaign=Product%20Analytics&utm_source=Interrupt&utm_medium=Roundup)<br>
We are introducing Product Analytics for embedded devices. Join us for our Launch Week!
We are introducing Product Analytics for embedded devices. Join us for our
Launch Week!

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