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Espressif Developer Portal

“Welcome to the Espressif Systems Developer Portal—your official hub for all good things, such as the ESP32 and more. Explore our extensive collection of articles, workshops, and tutorials to enhance your development journey with the latest tools and insights.”

Upcoming Events
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Espressif DevCon26 - 5th Anniversary Live from Milan

1 min
Event Devcon26
Espressif DevCon 2026 marks its 5th anniversary with its first-ever live event in Milan, Italy, on November 3–4, 2026. The two-day event will feature a global conference livestream covering product launches, AI, connectivity, security, developer tools, and technical sessions, followed by hands-on technical workshops in Milan and China Ecosystem Day in Shanghai. Tickets will be released soon, with limited seats available.

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Featured Articles#

Introducing the esp_trace component

·5 mins
ESP-IDF Tracing FreeRTOS Debugging
esp_trace is a new ESP-IDF component that splits application-level tracing into pluggable encoders and transports, so adding a new trace library no longer means patching the kernel. This post gives a high-level tour and walks through the example that demonstrates the integration.

Developing a Zephyr IoT app with AI

·15 mins
How-To Zephyr IoT AI LLM
Still on improving our AI-based, embedded software workflow, this article applies the same AI-agent discipline to Zephyr. Using the same ESP Dualkey kit from M5Stack, specs, integration rules, plan→execute→commit→test, reusable modules, journals, and Git - without redefining the product.


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Workshop Highlights
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Dive into our latest workshops and master the skills you need to maximize the power of the ESP32.


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Recent

AES67 audio-over-IP on the ESP32-P4

·10 mins
AES67 RAVENNA Audio PTP RTP ESP-IDF ESP32-P4 Networking
AES67/RAVENNA is the audio transport behind a lot of broadcast and live-sound infrastructure, and it normally runs on dedicated silicon or Linux boxes. This article is about getting a working, PTP-synchronized AES67 endpoint onto an ESP32-P4 — how the clock sync, the low-latency receive path, and the I2S playout fit together, what the measured latency is, and where the edges are.

Rust smoltcp as an alternative TCP/IP stack for ESP-IDF

·10 mins
Rust Smoltcp Networking TCP/IP ESP-IDF ESP32-P4 LwIP
A set of ESP-IDF components that run the Rust smoltcp stack as the IPv4/IPv6 data plane, while keeping esp_http_server, esp-tls and esp-mqtt working without source changes. This article explains the linker –wrap shim that makes it compatible, the single-task poll architecture, the throughput I measured on an ESP32-P4 (91.15 Mbit/s on a 100 Mbit link), and the limitations to be aware of.