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Amazon.com: SparkFun Thing Plus - ESP32 WROOM (U.FL) - ESP32-D0WDQ6 chip - 16MB Flash Memory - 520kB Internal SRAM - Integrated 802.11 BGN WiFi transceiver : Electronics
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Adafruit's Metro ESP32-S3 Puts Two Cores, 8MB PSRAM, and 16MB Flash in an Arduino UNO Footprint - Hackster.io
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ESP32 Programmers' Memory Model. Internal memory of the MCU is probably… | by Amey Inamdar | The ESP Journal
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1 - Save INT32 value permanently in FreeRTOS ESP IDF to ESP32 flash memory using NVS library - YouTube
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Getting Started with Espressif ESP32 Wi-Fi & Bluetooth SoC using DOIT-ESP32-DevKit-V1 Development Board - CIRCUITSTATE Electronics
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