# OTA Published articles for OTA. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## ESPHome 2026.9.0: Faster builds and encrypted updates DevFeed: [ESPHome 2026.9.0: Faster builds and encrypted updates]() Original publisher: [Read original article]() Author: Jesse Hills Published: 2026-09-16T00:00:00Z Content type: release Language: en Sources: [ESPHome - Smart Home Made Simple - Blog]() Topics: [esphome](), [PlatformIO](), [ESP8266](), [Encryption](), [build performance](), [ChaCha](), [toolchain](), [Home Assistant]() Tags: [2026](), [benchmarks](), [builds](), [ci](), [encryption](), [esp32](), [esp8266](), [esphome](), [ota](), [parallel](), [releases](), [toolchain](), [updates]() ### AI overview ESPHome 2026.9.0 improves build performance by parallelizing PlatformIO setup, lays groundwork for a native ESP8266 toolchain, adds Noise-encrypted OTA updates, and reduces ESP8266 RAM usage. The release also includes component additions, platform updates, and fixes. ### Source excerpt ESPHome 2026.9.0 parallelizes PlatformIO installs, lays the groundwork for a native ESP8266 toolchain, adds Noise-encrypted OTA updates, and frees ESP8266 RAM. ## TickrCast - An ESP32-S3 HUB75 LED ticker display with server-side rendering and OTA (Crowdfunding) DevFeed: [TickrCast - An ESP32-S3 HUB75 LED ticker display with server-side rendering and OTA (Crowdfunding)]() Original publisher: [Read original article]() Author: Debashis Das Published: 2026-09-03T08:02:56Z Content type: news Language: en Sources: [CNX Software - Embedded Systems News]() Topics: [ESP32-S3](), [Embedded Systems](), [Hardware](), [Wi-Fi](), [Bluetooth]() Tags: [bluetooth](), [display](), [embedded-systems](), [esp32](), [esp32-s3](), [espressif](), [flash-encryption](), [hardware](), [iot](), [kickstarter](), [ota](), [video](), [wi-fi](), [wifi]() ### AI overview Layered Ventures LLC has launched TickrCast, an expandable HUB75 LED ticker display built around an ESP32-S3. The consumer product uses Wi-Fi and Bluetooth LE, supports modular panels, plugins, signed OTA firmware updates, and hardware flash encryption. ### Source excerpt Layered Ventures LLC has launched the TickrCast, an expandable HUB75 LED ticker display built around an ESP32-S3. The TickrCast ships as a full consumer product designed to display live esports data, traditional sports scores, social media metrics, and flight tracking across a daisy-chained array of panels. Unlike a typical LED matrix development board, the system is a complete product with a custom controller board, plug-and-play panels, power connectors, a companion app, and an expandable enclosure. The display starts with two panels and can be expanded by adding additional panels, with the company targeting configurations of 10 or more panels. The system is controlled through Wi-Fi, while Bluetooth LE is used for initial provisioning, and the manufacturer provides more than 30 plugins at launch with no subscription required. The platform also supports signed over-the-air (OTA) firmware updates and hardware flash encryption for improved device security. TickrCast controller specifications: ESP32-S3-WROOM-1U wireless module [...] The post TickrCast - An ESP32-S3 HUB75 LED ticker display with server-side rendering and OTA (Crowdfunding) appeared first on CNX Software - Embedded Systems News. ## Build connected lighting systems with the ESP DALI component DevFeed: [Build connected lighting systems with the ESP DALI component]() Original publisher: [Read original article]() Author: John Lee Published: 2026-08-28T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP-IDF](), [Espressif](), [Embedded Software Dev](), [Internet of things](), [Protocol (disambiguation)](), [API](), [Matter](), [Home Assistant]() Tags: [api](), [architecture](), [blog](), [bridge](), [caching](), [dali](), [esp-idf](), [esp-iot-solution](), [espressif](), [firmware](), [lighting](), [matter](), [mqtt](), [ota](), [security]() ### AI overview This tutorial introduces the ESP DALI component, which implements an IEC 62386 master on Espressif SoCs using the RMT peripheral. It covers DALI control, commissioning, sensors, DT8 color gear, and a Matter-to-DALI bridge. ### Source excerpt The ESP DALI component implements an IEC 62386 master on the RMT peripheral, with support for commissioning, dimming, color control, sensors, and Matter-to-DALI bridges. ## Recovery Bootloader DevFeed: [Recovery Bootloader]() Original publisher: [Read original article]() Author: John Lee Published: 2026-07-27T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP-IDF](), [ESP32-C5](), [Boot Process](), [Security]() Tags: [blog](), [bootloader](), [embedded-systems](), [esp-idf](), [esp32-c5](), [flash](), [ota](), [updates](), [vulnerability]() ### AI overview This article explains how to safely perform bootloader OTA updates with the recovery bootloader feature. It describes keeping a known-good bootloader image in a separate flash location so the device can recover if the primary bootloader becomes invalid. Examples use ESP-IDF v6.1 and ESP32-C5. ### Source excerpt In this article, we will explore how to safely perform OTA updates for the bootloader using the recovery bootloader feature. ## ESPHome 2026.4.0: Faster ESP32 defaults and signed OTA DevFeed: [ESPHome 2026.4.0: Faster ESP32 defaults and signed OTA]() Original publisher: [Read original article]() Author: Jesse Hills Published: 2026-04-15T00:00:00Z Content type: release Language: en Sources: [ESPHome - Smart Home Made Simple - Blog]() Topics: [ESP32](), [ESP8266](), [Logging](), [benchmarking](), [ESP-IDF](), [Lvgl]() Tags: [2026](), [benchmarking](), [cpu](), [esp-idf](), [esp32](), [esp8266](), [logging](), [lvgl](), [ota](), [release](), [releases](), [security](), [yaml]() ### AI overview ESPHome 2026.4.0 increases ESP32 CPU frequency by default, adds signed OTA verification and custom partition tables, and improves performance across logging, configuration loading, Bluetooth proxying, Ethernet, and GPIO expanders. The release also adds an ESP8266 crash handler, LVGL 9.5.0, new components, and migration requirements for deprecated features. ### Source excerpt ESPHome 2026.4.0 raises ESP32 CPU frequency by default, adds signed OTA and an ESP8266 crash handler, and speeds up state logging and config loading. ## Staying Ahead with ESP32 Security Updates DevFeed: [Staying Ahead with ESP32 Security Updates]() Original publisher: [Read original article]() Author: John Lee Published: 2026-03-05T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [Security](), [vulnerability management](), [cyber resilience act](), [dashboards](), [ESP-IDF](), [Espressif](), [software bill of materials]() Tags: [blog](), [cyber-resilience-act](), [dashboards](), [esp-idf](), [esp32](), [espressif](), [iot](), [lts](), [ota](), [sbom](), [security](), [vulnerability]() ### AI overview This article explains how the ESP32 ecosystem supports long-term firmware security and compliance under regulations such as the EU Cyber Resilience Act. It covers vulnerability management, secure OTA updates, Long-Term Support branches, the ESP-IDF Security Dashboard, and SBOMs for tracking affected components and patched versions. ### Source excerpt This article explains how manufacturers can use the ESP32 ecosystem to build and maintain secure firmware over time, especially in light of new regulations like the EU Cyber Resilience Act. It highlights tools such as vulnerability dashboards, Long-Term Support branches, and secure OTA updates to ensure ongoing compliance and device security. ## ESPHome 2026.1.0: Automatic WiFi roaming and ESP-IDF by default DevFeed: [ESPHome 2026.1.0: Automatic WiFi roaming and ESP-IDF by default]() Original publisher: [Read original article]() Author: Jesse Hills Published: 2026-01-21T00:00:00Z Content type: release Language: en Sources: [ESPHome - Smart Home Made Simple - Blog]() Topics: [esphome](), [ESP-IDF](), [ESP32](), [Encryption]() Tags: [encryption](), [esp](), [esp-idf](), [esp32](), [esphome](), [optimization](), [ota](), [performance](), [releases](), [security](), [sha256](), [wifi]() ### AI overview ESPHome 2026.1.0 adds automatic WiFi roaming, makes ESP-IDF the default framework for supported ESP32 targets, requires API encryption and SHA256 authentication for OTA updates, and introduces performance, platform, hardware, and parsing improvements. ### Source excerpt ESPHome 2026.1.0 adds automatic WiFi roaming, makes ESP-IDF the default on ESP32, requires API encryption and SHA256 OTA, and lands broad performance work. ## ESP-ZeroCode adds RED-DA documentation support for Matter device firmware DevFeed: [ESP-ZeroCode adds RED-DA documentation support for Matter device firmware]() Original publisher: [Read original article]() Author: John Lee Published: 2025-12-08T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [Espressif](), [Matter](), [EN 18031](), [Red](), [Development](), [Framework](), [Security]() Tags: [blog](), [compliance](), [cryptography](), [en-18031](), [espressif](), [firmware](), [matter](), [ota](), [product-development](), [redda](), [zerocode]() ### AI overview Espressif describes an ESP-ZeroCode integration that generates Matter device firmware alongside a RED-DA-oriented documentation starter package. The package includes pre-filled templates covering platform security, network and secure-update mechanisms, and EN 18031 mappings; manufacturers must add device-specific information to complete the technical file. ### Source excerpt In this blog we will introduce how combining the Espressif RED-DA compliance framework along with the ESP ZeroCode platform can help accelerate your product development ## NixOS OTA Updates with systemd-sysupdate: Immutable A/B System Partitions DevFeed: [NixOS OTA Updates with systemd-sysupdate: Immutable A/B System Partitions]() Original publisher: [Read original article]() Author: Jacek Galowicz Published: 2025-11-03T00:00:00Z Content type: tutorial Language: en Sources: [Nixcademy Blog]() Topics: [Nix](), [systemd](), [Linux](), [Tutorial](), [systems]() Tags: [linux](), [ota](), [partitions](), [systemd](), [tutorial](), [updates]() ### AI overview A tutorial on using NixOS and systemd-sysupdate to build immutable A/B system partitions for over-the-air updates of minimal appliance systems. It explains the partition layout, update packages, configuration, and testing the update cycle in a virtual machine. ### Source excerpt NixOS systemd-sysupdate tutorial: build immutable A/B system partitions for over-the-air appliance updates. Part 3 of our NixOS image series. ## ESPHome 2025.7.0: Web server OTA, LoRa, and sub-devices DevFeed: [ESPHome 2025.7.0: Web server OTA, LoRa, and sub-devices]() Original publisher: [Read original article]() Author: Jesse Hills Published: 2025-07-16T00:00:00Z Content type: release Language: en Sources: [ESPHome - Smart Home Made Simple - Blog]() Topics: [esphome](), [ESP-IDF](), [lora](), [Home Assistant](), [configuration]() Tags: [component](), [configuration](), [esp-idf](), [esphome](), [home-assistant](), [improvements](), [lora](), [memory](), [new-features](), [ota](), [performance](), [release](), [releases]() ### AI overview ESPHome 2025.7.0 is a major release that moves web server OTA into a dedicated platform, removes ESP-IDF 4.x support in favor of ESP-IDF 5.3.2 or newer, and adds sub-device support, Jinja2 template expressions, LoRa communication, and new hardware and sensor support. ### Source excerpt ESPHome 2025.7.0 moves web server OTA to its own platform, removes ESP-IDF 4.x support, adds sub-device support and Jinja2 template expressions, and introduces LoRa hardware support. ## ESP32-C2 (ESP8684) Upgrade: More Memory, Storage, and Performance DevFeed: [ESP32-C2 (ESP8684) Upgrade: More Memory, Storage, and Performance]() Original publisher: [Read original article]() Author: John Lee Published: 2025-03-07T10:38:28Z Content type: release Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [ESP-IDF](), [Espressif](), [Hardware]() Tags: [blog](), [esp-idf](), [esp32](), [esp32-c2](), [espressif](), [logging](), [memory](), [ota](), [performance](), [storage](), [upgrade]() ### AI overview Espressif describes an ESP32-C2 (ESP8684) upgrade that adds memory and Flash storage and improves performance and efficiency. It recommends that developers and manufacturers update to the latest ESP-IDF minor version for compatibility and stability. ### Source excerpt To fully leverage the improved capabilities of the ESP32-C2, we recommend that all developers and manufacturers update to use the latest ESP-IDF minor version as soon as possible. Espressif has upgraded the ESP32-C2 (ESP8684) to enhance its performance and efficiency. This update provides additional memory and Flash storage, enabling developers to build more complex applications while ensuring long-term stability and support. ## Announcing ESP-TEE Framework for ESP32-C6 DevFeed: [Announcing ESP-TEE Framework for ESP32-C6]() Original publisher: [Read original article]() Author: John Lee Published: 2025-02-18T00:00:00Z Content type: release Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [trusted-execution-environment](), [Security](), [Internet of things](), [ESP-IDF](), [RISC-V](), [Embedded Software Dev]() Tags: [architecture](), [attestation](), [blog](), [esp-idf](), [esp-tee](), [esp32](), [esp32-c6](), [espressif](), [firmware](), [freertos](), [iot](), [ota](), [risc-v](), [security](), [standards](), [trust]() ### AI overview Espressif announces the availability of the ESP-TEE framework for ESP32-C6. The framework provides a hardware-enforced trusted execution environment that isolates sensitive computations and data from the main application, with features including secure storage, secure OTA updates, and attestation. ### Source excerpt We are thrilled to announce the availability of the ESP-TEE (Trusted Execution Environment) framework for the ESP32-C6! Designed to enhance security on Espressif's SoCs, ESP-TEE enables a protected execution environment to safeguard sensitive information and operations. The Importance of the ESP-TEE# Security is paramount in the IoT landscape, where billions of devices exchange sensitive information daily. ## WLED - Powered by the Community DevFeed: [WLED - Powered by the Community]() Original publisher: [Read original article]() Author: John Lee Published: 2025-01-06T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [ESP8266](), [Arduino](), [Open Source](), [Web](), [Chrome](), [Edge]() Tags: [arduino](), [beginner](), [blog](), [chrome](), [community-software](), [edge](), [esp32](), [esp8266](), [firmware](), [how-to](), [led](), [open-source](), [ota](), [software](), [web-interface](), [wi-fi](), [wled]() ### AI overview This article introduces WLED, an open-source project for controlling addressable LEDs with ESP32 or ESP8266 boards using the Arduino core. It explains supported features, hardware requirements, firmware flashing, Wi-Fi setup, and web-based configuration. ### Source excerpt Making amazing lighting installations might seem very complex, requiring a lot of expensive hardware and software. However, it can't be further from the truth. With an ESP32 or ESP8266 at hand and with the help of some software from our wonderful community, this is not that complex. Try it yourself, and you will be pleasantly surprised. Today we will talk about a community project, created by Christian Schwinne a.k.a Aircoookie, called WLED. ## Secure boot with auto-signing in ESP RainMaker OTA DevFeed: [Secure boot with auto-signing in ESP RainMaker OTA]() Original publisher: [Read original article]() Author: John Lee Published: 2024-07-29T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [Esp Rainmaker](), [Internet of things](), [Security](), [Espressif](), [Cloud](), [Hardware](), [ESP-IDF]() Tags: [blog](), [developer](), [encryption](), [esp-idf](), [esp-rainmaker](), [esp32](), [espressif](), [fips](), [hardware](), [iot](), [management](), [ota](), [private-key](), [rainmaker](), [secure-boot](), [signing](), [verification]() ### AI overview This article explains how ESP RainMaker's Secure Signing feature manages secure boot keys and automatically signs firmware during OTA upgrades. It describes cloud-based key management, device-specific signing, and role separation for fleet management. ### Source excerpt Security is one of the most important aspects of any IoT system and at Espressif, we take it very seriously. The ESP RainMaker platform offers a secure way to onboard a device onto Wi-Fi network and then control and monitor it through cloud. However, the security of the hardware itself is also critical for the overall system to be secure. Espressif MCUs come with various security features like secure boot, flash encryption, etc. ## How to switch between multiple ESP32 firmware binaries stored in the flash memory DevFeed: [How to switch between multiple ESP32 firmware binaries stored in the flash memory]() Original publisher: [Read original article]() Author: John Lee Published: 2024-07-24T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [Microcontroller](), [Embedded Software Dev](), [Internet of things](), [ESP32-S3](), [m5stack](), [Wokwi]() Tags: [binaries](), [blog](), [boot](), [bootloader](), [bsp](), [build](), [code](), [embedded](), [embedded-systems](), [esp32](), [esp32-p4](), [esp32-s3](), [espressif](), [firmware](), [flash](), [gui](), [how-to](), [iot](), [m5stack](), [memory](), [ota](), [partition](), [quick-start](), [releases](), [simulation](), [wokwi]() ### AI overview A tutorial on using the ESP32 Graphical Bootloader to store multiple firmware images in flash memory and switch between them. It explains the bootloader flow, partition-table configuration, and steps for building, merging, flashing, and simulating the application. ### Source excerpt Introduction# The ESP32 microcontroller is a versatile and powerful device, widely used in IoT and embedded applications. One of its advanced features is the ability to store multiple firmware images in its flash memory and switch between them. This capability can be leveraged for various purposes, such as testing different firmware versions, running multiple applications, or maintaining a backup firmware. ## What's New with ESP ZeroCode DevFeed: [What's New with ESP ZeroCode]() Original publisher: [Read original article]() Author: John Lee Published: 2024-04-28T00:00:00Z Content type: release Language: en Sources: [Blog on Developer Portal]() Topics: [Matter](), [ESP32](), [Internet of things](), [MQTT]() Tags: [blog](), [esp32](), [esp32-c2](), [esp32-h2](), [espressif](), [firmware](), [interest](), [iot](), [launch](), [mqtt](), [ota](), [works-with-home-assistant](), [zero-code](), [zerocode]() ### AI overview Espressif reviews updates to ESP ZeroCode after eight months, reporting user activity, Matter-certified devices, expanded automated quality testing, new single-chip and two-chip solution types, and broader ecosystem partnerships. ### Source excerpt The Fastest Way to Launch Matter-enabled Products It's been about 8 months since we launched ESP ZeroCode. For all these months, continuous interest and customer activity has kept us busy. Let's look at some of the highlights of what's new with ESP ZeroCode. Customer Interest# Over 11,000 users across 125 countries have visited ESP ZeroCode, building various kinds of Matter-enabled products. Every week we get numerous queries and requests for samples or product-related queries. ## Announcing ESP ZeroCode ExL Module DevFeed: [Announcing ESP ZeroCode ExL Module]() Original publisher: [Read original article]() Author: John Lee Published: 2023-11-12T00:00:00Z Content type: release Language: en Sources: [Blog on Developer Portal]() Topics: [Espressif](), [Matter](), [AWS IoT Core](), [ESP32-C6](), [Microcontroller](), [Hardware]() Tags: [aws](), [aws-iot-core](), [blog](), [bluetooth](), [esp32](), [esp32-c6](), [espressif](), [hardware](), [iot](), [matter](), [ota](), [security](), [wi-fi-6]() ### AI overview Espressif announced the ESP ZeroCode ExL connectivity module, developed with AWS and powered by AWS IoT ExpressLink. Based on the ESP32-C6, it provides Wi-Fi 6, Bluetooth 5 LE, and 802.15.4 connectivity, with built-in Matter and cloud connectivity software exposed through an AT-command serial interface. ### Source excerpt Announcing ESP ZeroCode ExL powered by AWS IoT ExpressLink -- Simplifying Matter-compatible Cloud-connected Devices As a part of our efforts to make the development of Matter protocol-enabled devices easy, Espressif announced ESP ZeroCode modules and ESP ZeroCode Console earlier this year. These ESP ZeroCode modules are well-suited for Matter connectivity for simple devices such as lighting fixtures, switches, sockets, blind controllers, and sensors. ## OTA Firmware Updates with ESP Privilege Separation DevFeed: [OTA Firmware Updates with ESP Privilege Separation]() Original publisher: [Read original article]() Author: John Lee Published: 2023-01-29T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP-IDF](), [Embedded Software Dev]() Tags: [blog](), [business-logic](), [esp](), [esp-idf](), [esp-privilege-separation](), [esp32](), [firmware](), [firmware-update](), [iot](), [ota](), [partition](), [security](), [updates]() ### AI overview This article explains independent over-the-air firmware updates for protected_app and user_app in ESP Privilege Separation. It describes the ESP-IDF partition layout, the user-app update workflow, background downloading, reboot handling, and optional signature verification. ### Source excerpt Over-The-Air (OTA) firmware update is one of the most important feature of any connected device. It enables the developers to ship out new features and bug fixes by remotely updating the application. In ESP Privilege Separation, there are two applications -- protected_app and user_app for which the framework provides the ability to independently update both the application binaries. In this post we will describe the independent OTA update feature under ESP Privilege Separation. ## July Update: A Pinecil Evolved DevFeed: [July Update: A Pinecil Evolved]() Original publisher: [Read original article]() Published: 2022-07-28T00:00:00Z Content type: news Language: en Sources: [Community blog on PINE64]() Topics: [RISC-V](), [SOC](), [cpu](), [GPU](), [Ethernet](), [pcie](), [USB](), [Development]() Tags: [gigabit-ethernet](), [ota](), [pcie](), [pinebuds](), [pinecil](), [pinesounds](), [pinetime](), [quartz64](), [quartzpro64](), [risc-v](), [star64](), [telemetry](), [update](), [usb]() ### AI overview PINE64's July community update introduces Pinecil V2 and reviews Star64, a RISC-V single-board computer using the StarFive JH7110 CPU and BXE-2-32 GPU. It also reports progress on Quartz64, PineBuds, PineTime, and InfiniTime. ### Source excerpt Welcome to the July community update - I hope you're staying cool in the heatwave. This month we're introducing the Pinecil V2 - an evolution of the original Pinecil - and taking a closer look at the Star64 RISC-V SBC. We also discuss Quartz64's development progress, the PineBuds and receive an update on PineTime and InfiniTime from JF. Let's get into it. You can watch the synopsis of this month's community update on YouTube (embedded below) as well as on Odysee and PeerTube. To stay up-to-date with PINE64 news make sure to subscribe to this blog (subscription widget at the bottom of the webpage), follow the PINE64 Telegram News channel, the announcements channel in Discord as well as our Twitter and Mastodon. I'd like to thank Alex (clover) Ben Brown (Ralim), pillow, JF and PizzaLovingNerd for their contributions to this community update. N.B. Comments on the blog post need to be in English and follow our Community Rules and Code of Conduct. https://www.youtube.com/watch?v=Tn4S1mdt7QQ July Update video synopsis TL;DR Housekeeping New PineTalk episode is out Quarterly Q&A on August 13, at 8:00PM CEST (UTC+2) Alternative payment methods available in Pine Store again The Pinebook Pro is available PINE64 EU has launched Pinecil (V2) New RISC-V SoC Adds BLE - opening potential for OTA updates & remote telemetry Automatic detection of tip resistance Compatible with existing peripherals and accessories, including cases Range of new, shorter 6.2ohm tips for higher power level IronOS already ported Counterfeit protection; future option for users to verify if their Pinecil V2 is legit Available very soon Star64 Congratulations to Gav for being the first to solve the riddle! Star64 is in final layout stages and we want to bring it to the market soon Uses StarFive JH7110 64bit CPU paired with BXE-2-32 GPU Available in 4 and 8GB RAM configuration Equipped with 2x Gigabit Ethernet ports (a variant with 1x GbE will be available later on for $5 less), PCIe, USB 3.0 as well as 2x U ## Espressif Announces AWS IoT ExpressLink Modules Based on ESP32-C3 DevFeed: [Espressif Announces AWS IoT ExpressLink Modules Based on ESP32-C3]() Original publisher: [Read original article]() Author: John Lee Published: 2021-11-30T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32-C3](), [Amazon Web Services](), [Espressif](), [Internet of things](), [Bluetooth](), [Wi-Fi](), [ESP32]() Tags: [announce](), [authentication](), [aws](), [aws-iot](), [blog](), [bluetooth-le](), [digital-signature](), [esp32-c3](), [esp32-s3](), [espressif](), [flash-encryption](), [iot](), [messaging](), [newsletter](), [ota](), [provisioning](), [psram](), [secure-boot](), [security](), [wi-fi]() ### AI overview Espressif announces AWS IoT ExpressLink modules based on the ESP32-C3 SoC, with Wi-Fi and Bluetooth LE 5.0 connectivity, a serial interface for AWS IoT services, and pre-provisioned security features. ### Source excerpt Hi everyone, Espressif is proud to announce the availability of new Wi-Fi modules implementing the AWS IoT ExpressLink specification. Espressif's AWS IoT ExpressLink modules, ESP32-C3-MINI-1-N4-A, are based on the ESP32-C3 SoC and offer Wi-Fi + Bluetooth LE 5.0 connectivity, thus providing any host MCUs with out-of-the-box, seamless, AWS cloud connectivity. ## Zephyr RTOS on ESP32 -- First Steps DevFeed: [Zephyr RTOS on ESP32 -- First Steps]() Original publisher: [Read original article]() Author: John Lee Published: 2021-02-24T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [Zephyr RTOS](), [Embedded Software Dev](), [Espressif](), [Development]() Tags: [blog](), [embedded-systems](), [esp32](), [espressif](), [firmware](), [installation](), [mcuboot](), [ota](), [quick-start](), [security](), [tutorials](), [usb](), [windows](), [zephyr]() ### AI overview A quick-start guide for using Zephyr RTOS on ESP32 devices. It covers installation, board selection, the first build, console connections, binary blobs, and testing the Zephyr port of MCUboot for OTA and security requirements. ### Source excerpt First Steps with Zephyr on ESP32, a collection of all needed tutorials. ## How to use custom partition tables on ESP32 DevFeed: [How to use custom partition tables on ESP32]() Original publisher: [Read original article]() Author: John Lee Published: 2021-02-12T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [Embedded Software Dev](), [configuration]() Tags: [blog](), [bluetooth](), [bootloader](), [esp-idf](), [esp32](), [espressif](), [firmware](), [flash](), [how-to](), [iot](), [ota](), [partition](), [storage](), [wifi]() ### AI overview This tutorial explains how ESP32 flash memory is organized and how custom partition tables can separate application firmware from persistent data. It references ESP-IDF v4.2 and discusses partitions used for configuration, calibration, WiFi and Bluetooth data, and OTA updates. ### Source excerpt Introduction# When we create a new project using ESP32 , sometimes we need to store data in the flash to persist even after a restart or power down. In the past, the most common way to do that was by using EEPROM, with just a few bytes of storage ability which limited it for larger amount of data. On the other hand, the ESP32 uses a flash memory to store the firmware, including the bootloader and other relevant data. ## OTA Updates Framework DevFeed: [OTA Updates Framework]() Original publisher: [Read original article]() Author: John Lee Published: 2020-12-22T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP-IDF](), [ESP32](), [Internet of things](), [Security]() Tags: [blog](), [bootloader](), [configuration](), [embedded-systems](), [esp-idf](), [esp32](), [firmware](), [git](), [iot](), [ota](), [partition](), [rollback](), [security](), [updates](), [vulnerabilities]() ### AI overview This tutorial explains the design and internal workings of the Over-The-Air Updates framework in ESP-IDF. It covers ESP32 partition tables and flash layout, application image descriptors, firmware and security versions, reliability, security, and anti-rollback considerations. ### Source excerpt In this post we will discuss the design and internal workings of Over-The-Air (OTA) Updates framework in ESP-IDF. We shall also cover some of the features from OTA updates, focused around reliability and security that can help to build better IoT products with ESP32. Background Information# Lets cover some basic information essential for understanding the overall OTA update procedure. Partition Table & Flash Layout# The Partition table defines the flash layout on ESP32. ## July 2020: ESP RainMaker Adds ESP32 Support and New IoT Platform Features DevFeed: [July 2020: ESP RainMaker Adds ESP32 Support and New IoT Platform Features]() Original publisher: [Read original article]() Author: John Lee Published: 2020-07-27T00:00:00Z Content type: news Language: en Sources: [Blog on Developer Portal]() Topics: [Esp Rainmaker](), [ESP32](), [Espressif](), [Esp32 S2](), [Internet of things](), [Command-line interface](), [VS Code Extension]() Tags: [alexa](), [ble](), [blog](), [esp-rainmaker](), [esp32](), [esp32-s2](), [espressif](), [instagram](), [integrations](), [iot](), [newsletter](), [ota](), [vscode]() ### AI overview Espressif's July 2020 update announces ESP RainMaker support for ESP32 in addition to ESP32-S2. It also describes BLE-based Wi-Fi provisioning, voice integrations, OTA firmware upgrades, mobile application resources, and a VSCode extension, alongside news about a wildlife protection donation. ### Source excerpt Hi everyone, You might remember that a rather short while ago we launched ESP RainMaker, Espressif's end-to-end platform which enables makers to realize their IoT ideas faster and without the hassle of managing the infrastructure involved in this process. Today, we are pleased to announce that we have recently added a number of features to this platform. So, ESP RainMaker now supports ESP32 too, on top of ESP32-S2, with which our end-to-end platform was initially launched. [Next page]()