ChipsXDAabout 18 hours ago
ESP32 Dual-Core Usage: Most Projects Ignore Core 0
1 min read
The ESP32's dual-core Xtensa processor typically runs user code only on Core 1 (APP_CPU), leaving Core 0 (PRO_CPU) mostly idle after handling Wi-Fi and Bluetooth. Developers can use xTaskCreatePinnedToCore() to assign tasks to Core 0 for parallel processing, but must use vTaskDelay() to prevent watchdog timer reboots.
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