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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Can't OTA any devices (2025.7) due to program size -- fixed by switching to esp-idf instead of arduino","articleBody":"### The problem\n\nIt seems like esphome put on a bunch of weight with this release, I can't ota update any of my nodes anymore because the file size is too big. This is anything from a device just running the ble proxy to light strips, to controlling my standing desk, etc. They're all too large. \n\n```\nRAM:   [==        ]  18.9% (used 62064 bytes from 327680 bytes)\nFlash: [==========]  107.4% (used 1970436 bytes from 1835008 bytes)\nError: The program size (1970436 bytes) is greater than maximum allowed (1835008 bytes)\n*** [checkprogsize] Explicit exit, status 1\n========================== [FAILED] Took 7.59 seconds ==========================\n```\n\n### Which version of ESPHome has the issue?\n\n2025.7\n\n### What type of installation are you using?\n\nHome Assistant Add-on\n\n### What platform are you using?\n\nESP32\n\n### Component causing the issue\n\n_No response_\n\n### YAML Config\n\n```yaml\nsubstitutions:\n  name: justins-room-mirror-lightstrip\n  friendly_name: Justins Room Mirror lightstrip\n\nesphome:\n  name: ${name}\n  friendly_name: ${friendly_name}\n  min_version: 2024.6.0\n  name_add_mac_suffix: false\n  project:\n    name: esphome.web\n    version: '1.0'\n\nesp32:\n  board: esp32dev\n  framework:\n    type: arduino\n\n# Enable logging\nlogger:\n\n# Enable Home Assistant API\napi:\n  encryption:\n    key: \"xxxxxxxxxxxxxxxxxxxxxxxxxxxx\"\n\nota:\n  - platform: esphome\n\n# Enable Bluetooth Proxy\nbluetooth_proxy:\n  active: true\n\nwifi:\n  ssid: !secret wifi_ssid\n  password: !secret wifi_password\n\n  # Enable fallback hotspot (captive portal) in case wifi connection fails\n  ap:\n    ssid: \"Esphome-Web-1Fd1C4\"\n    password: \"xxxxxxxxxxxxxxxxxxxxxxxxxxxx\"\n\ncaptive_portal:\n\n\n# LED Strip\nlight:\n  - platform: rgb\n    name: \"Justins Light Strip\"\n    red: gpio_red\n    green: gpio_green\n    blue: gpio_blue\n\n# LED Strip Output Pins\noutput:\n  - platform: ledc\n    pin: GPIO19\n    id: gpio_red\n    inverted: true\n\n  - platform: ledc\n    pin: GPIO18\n    id: gpio_green\n    inverted: true\n\n  - platform: ledc\n    pin: GPIO21\n    id: gpio_blue\n    inverted: true\n\nswitch:\n  - platform: restart\n    name: Restart ${friendly_name}\n```\n\n### Anything in the logs that might be useful for us?\n\n```txt\nINFO ESPHome 2025.7.0\nINFO Reading configuration /config/esphome/justins-room-mirror-lightstrip.yaml...\nINFO Generating C++ source...\nINFO Compiling app...\nProcessing justins-room-mirror-lightstrip (board: esp32dev; framework: arduino; platform: https://github.com/pioarduino/platform-espressif32/releases/download/53.03.13/platform-espressif32.zip)\n--------------------------------------------------------------------------------\nHARDWARE: ESP32 240MHz, 320KB RAM, 4MB Flash\n - framework-arduinoespressif32 @ 3.1.3 \n - framework-arduinoespressif32-libs @ 5.3.0+sha.489d7a2b3a \n - tool-esptoolpy @ 4.8.6 \n - tool-mklittlefs @ 3.2.0 \n - tool-riscv32-esp-elf-gdb @ 14.2.0+20240403 \n - tool-xtensa-esp-elf-gdb @ 14.2.0+20240403 \n - toolchain-xtensa-esp-elf @ 13.2.0+20240530\nDependency Graph\n|-- Networking @ 3.1.3\n|-- AsyncTCP @ 3.4.5\n|-- WiFi @ 3.1.3\n|-- FS @ 3.1.3\n|-- Update @ 3.1.3\n|-- ESPAsyncWebServer @ 3.7.10\n|-- ESP32 Async UDP @ 3.1.3\n|-- DNSServer @ 3.1.3\n|-- ESPmDNS @ 3.1.3\n|-- noise-c @ 0.1.10\nError: The program size (1970436 bytes) is greater than maximum allowed (1835008 bytes)\nRAM:   [==        ]  18.9% (used 62064 bytes from 327680 bytes)\nFlash: [==========]  107.4% (used 1970436 bytes from 1835008 bytes)\n*** [checkprogsize] Explicit exit, status 1\n========================== [FAILED] Took 7.51 seconds ==========================\n```\n\n### Additional information\n\nInstalls just fine on 2025.6.3","author":{"url":"https://github.com/broyuken","@type":"Person","name":"broyuken"},"datePublished":"2025-07-16T14:57:16.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":11},"url":"https://github.com/9555/esphome/issues/9555"}