Working notes &
field dispatches
Essays on edge AI, embedded Linux, and the teaching of both. Published when experiments settle and the bench is clean.
ESP32
A Low-Cost Thread Border Router: ESP32-C6-WROOM as an OpenThread RCP for Home Assistant in Docker
Thread is the low-power IPv6 mesh that underpins most Matter smart-home devices, and to use it you need a Thread Border Router (a bridge
Derek Molloy
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Jul 01, 2026
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20 min read
Rust
An Async Wi-Fi Web Server on the ESP32-C3 with Embassy and no_std Rust
This guide explains how Embassy ties an ESP32-C3 Wi-Fi web server together. It assumes you are comfortable with basic Rust (ownership, traits, match) but new to embedded async.
Derek Molloy
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Jun 28, 2026
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23 min read
C++
Teaching Edge Programming: C++, Rust and Embedded Linux in the age of LLMs by Derek Molloy (2026)
This talk reflects on practical experience teaching C, C++, and Rust for edge programming in Electronic and Computer Engineering at Dublin City University, where language choices are shaped by emerging industry needs and sound educational pedagogy
Derek Molloy
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Apr 23, 2026
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1 min read
News
Hello World: Migrating to a High-Performance Stack
Welcome to the New derekmolloy.ie I’ve finally made the leap. After years of running on WordPress, I’ve migrated my content to
Derek Molloy
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Mar 21, 2026
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2 min read