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Espressif Systems ESP32-S2FN4R2 — RF System on a Chip - SoC SMD Wi-Fi IC, ESP32-S2FN4R2, single-core MCU, 4 MB flash die and 2 MB PSRAM die inside, QFN 56-pin, 7*7 mm vs Espressif Systems ESP32-S3RH2 — RF System on a Chip - SoC ESP32-S3 is a low-power MCU-based system on a chip (SoC) with integrated 2.4 GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE). It consists of high-performance dual-core microprocessor (Xtensa 32-bit LX7), a ULP coprocessor, a Wi-Fi baseband, a Blu — Robotitem