Arduino_ESP32_OTA

Note: This library is currently in beta.

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 the Update library of the arduino-esp32 core.

🔍 How?

• Create a minimal example
• Create a compressed ota file

🔑 Requirements

• 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	❌

🏃 Tests

• 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