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Note: This library is currently inbeta.

This library allows OTA (Over-The-Air) firmware updates for ESP32 boards. OTA binaries are downloaded via WiFi and stored in the OTA flash partition. After integrity checks the reference to the new firmware is configured in the bootloader; finally board resets to boot new firmware.

The library is based on theUpdate library of thearduino-esp32 core.

• Create a minimalexample
• Create acompressedota file

• Flash size >= 4MB

• OTA_1 partition available within selected partition scheme

  Partition scheme	OTA support
  app3M_fat9M_16MB	✔️
  default_16MB	✔️
  large_spiffs_16MB	✔️
  ffat	✔️
  default_8MB	✔️
  max_app_8MB	❌
  min_spiffs	✔️
  default /default_ffat	✔️
  huge_app	❌
  no_ota	❌
  noota_3g /noota_3gffat /noota_ffat	❌
  rainmaker	✔️
  minimal	❌
  bare_minimum_2MB	❌

• The library has been tested on the following boards:

  Module	Board
  ESP32-WROOM	ESP32-DevKitC V4
  ESP32-WROVER	Freenove_ESP32_WROVER
  	DOIT ESP32 DEVKIT V1
  	Wemos Lolin D32
  	NodeMCU-32S
  ESP32-­S3-­WROOM	ESP32-S3-DevKitC-1 v1.1
  ESP32-­S2-­SOLO	ESP32-S2-DevKitC-1
  	NodeMCU-32-S2
  ESP32-C3	LILYGO mini D1 PLUS

Arduino_ESP32_OTA is licensed under the GNU General Public License v3.0 license.

You can be released from the requirements of the above license by purchasing a commercial license. Buying such a license is mandatory if you want to modify or otherwise use the software for commercial activities involving the Arduino software without disclosing the source code of your own applications. To purchase a commercial license, send an email tolicense@arduino.cc