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  ESP32 Arduino 3.3.0-alpha1 based on ESP-IDF v5.5 with ESP32-C5 ECO1 support Stable

  petr.gadorek released this 2025-04-29 10:54:09 +00:00 | 1238 commits to master since this release

  What's Changed

  System PR

  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11150
  • IDF master by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11204

  Chip Support

  • fix(esp32c5): Add proper RTC clock source to uartSetClockSource by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11255

  Peripherals

  GPIO

  • fix(gpio): Fix GPIO warning message by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11268

  LEDC

  • feat(ledc): clear all fields added to ledc struct in IDF 5.4 by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11276

  RMT

  • fix(rmt): memset all config structs to zero before using by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11203
  • refactor(rmt): refactored RMT loopback example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11221* fix(usb): uninitilized variable warning message by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11222
  • feat(rmt): fixes example to run correctly within IDF 5.x by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11292

  UART

  • Add an option to force IDF's default UART clock source by @gonzabrusco in https://github.com/espressif/arduino-esp32/pull/11191
  • feat(logging): Arduino log redirection by @mathieucarbou in https://github.com/espressif/arduino-esp32/pull/11159
  • feat(uart): sets correct ESP32/S2 clock source for the example by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11286
  • feat(uart): simplifies UART example based on MODBUS standard by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11309

  USB

  • feat(usb): add a few more consumer control HID commands by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11227
  • fix(usb_hid): duplicated CONSUMER_CONTROL_PLAY_PAUSE by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11242

  Libraries

  Bluetooth & BLE

  • Use CONFIG_BT_BLUEDROID_ENABLED for enabling by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11214
  • check for CONFIG_BT_BLUEDROID_ENABLED in esp32-hal-misc.c by @Jason2866 in https://github.com/espressif/arduino-esp32/pull/11234

  Update

  • Update LilyGo T-Watch-S3-Ultra and T-LoRa-Pager variants by @lewisxhe in https://github.com/espressif/arduino-esp32/pull/11299

  SPI

  • New SPI invert hardware SS function in hall-spi and SPI library by @UltimumControl in https://github.com/espressif/arduino-esp32/pull/11297
  • fix(spi): Add missing initializer for ss_invert by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11320

  WiFi

  • fix(wifi): Workaround bug in esp_wifi_get_protocol() by @me-no-dev in https://github.com/espressif/arduino-esp32/pull/11239

  Zigbee

  • feat(zigbee): Add PM2.5 endpoint support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11205
  • fix(zigbeeEP): review of names and memory allocation by @SuGlider in https://github.com/espressif/arduino-esp32/pull/11199
  • feat(zigbee): Add battery voltage attribute support by @P-R-O-C-H-Y in https://github.com/espressif/arduino-esp32/pull/11210

  Boards Additions & Updates

  • Modify T-LoRa-Pager device PID by @lewisxhe in https://github.com/espressif/arduino-esp32/pull/11194
  • fix(board): Alfredo NoU3 pins_arduino.h uses uint8_t but it causes error with esp32-hal-gpio.h by @SaintSampo in https://github.com/espressif/arduino-esp32/pull/11206
  • Update boards.txt with updated CodeCell board variant by @microbotsio in https://github.com/espressif/arduino-esp32/pull/11313

  CI & testing

  • ci(pre-commit): Lock versions to SHA and apply fixes by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11248
  • ci(idf): Use included IDF examples in CI by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11240
  • ci(release): Add package JSON with chinese mirrors by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11288

  Documentation

  • docs(language): Enforce English on contributions and issues by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11267
  • docs(mirror): Add Chinese mirror links by @lucasssvaz in https://github.com/espressif/arduino-esp32/pull/11317

  Others

  • Restore proper pin remapping functionality after 3.2.0 by @pillo79 in https://github.com/espressif/arduino-esp32/pull/11315

  New Contributors

  • @UltimumControl made their first contribution in https://github.com/espressif/arduino-esp32/pull/11297

  Full Changelog: https://github.com/espressif/arduino-esp32/compare/3.2.0...3.3.0-alpha1

  Downloads

  • esp32-3.3.0-alpha1.zip
    0 downloads · 2026-07-17 18:46:50 +00:00 · 24 MiB
  • package_esp32_dev_index.json
    0 downloads · 2026-07-17 18:46:52 +00:00 · 370 KiB
  • package_esp32_dev_index_cn.json
    0 downloads · 2026-07-17 18:46:54 +00:00 · 383 KiB