ESP32-WROVER-B is an upgraded version of ESP32-WROVER with optimized antenna design and better RF performance. Both pin to pin compatible.
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ESP32-WROVER-B PCB onboard antenna ESP32-WROVER-IB Ipex antenna module based on ESP32-D0WD WiFi-BT-BLE MCU module 4MB SPI flash
ESP32-WROVER-B is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding.
This module is provided in two versions: one with a PCB antenna, the other with an IPEX antenna. ESP32WROVER-B features a 4 MB external SPI flash and an additional 8 MB SPI Pseudo static RAM (PSRAM). The information in this datasheet is applicable to both modules