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ESP32 Wrover DevKit Board with 4MB RAM, compatible with Arduino IDE (WiFi Module & Bluetooth, successor to the NodeMCU ESP8266) with Pinout and Tutorials in English : Amazon.nl: Electronics & Photo
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Esp32-wroom-32 Esp-wroom-32 Esp32-wroom-32-n4 4mb 8mb 16mb Flash Memory Espressif Original - Replacement Parts - AliExpress
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ESP32 enable and use external ram (SPI RAM / PSRAM)
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