The ESP32-WROVER-E(16MB) is a Wi-Fi module manufactured by Espressif Systems, which complies with the IEEE 802.11 b/g/n standards and supports low-power Wi-Fi communications. This microcontroller integrates 802.11b/g/n HT40 Wi-Fi transceiver, baseband, and protocol stack, as well as a low-power 32-bit CPU. It also has a 4 MB PSRAM and 16 MB SPI Flash ROM on board. The module supports Bluetooth 4.2 BR/EDR and BLE protocol and provides anti-theft protection with the integrated hardware security elements. It is RoHS compliant and is suitable for both commercial and industrial applications.