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ESP32-WROOM-32 ESP-WROOM-32 ESP32-WROOM-32-N4 4MB 8MB 16MB Flash Memory Espressif Original - AliExpress
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Why is the firmware for ESP32-WROOM-32(NodeMCU-32s) so big? - Development Platforms - PlatformIO Community
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Amazon.com: SparkFun Thing Plus - ESP32-S2 WROOM -No Bluetooth- Highly-Integrated Feather Form-Factor Development Board Equipped w/a 2.4 GHz WiFi System-on-Chip (SoC)- Transparent External Flash & RAM encryption : Electronics
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