The ESP-WROOM-32 integrates conventional Bluetooth, low-power Bluetooth, and Wi-Fi for a wide range of uses: wi-fi supports a great range of communication connectivity, as well as a direct connection to the Internet through a router; while Bluetooth allows users to connect to a cell phone or broadcast a BLEBeacon for signal detection.The ESP32 chip has a sleep current of less than 5 mA, making it suitable for use in The ESP-WRO0M-32 supports data transfer rates of up to 150 Mbps, and after a power amplifier, the output power can reach 22dBm, enabling wide-range wireless communication. As a result, this chip has leading technical specifications with excellent performance in terms of high integration, wireless transmission range, power consumption, and network connectivity