ESP8684-MINI-1-H2 with Multiprotocol Modules SMD Module, ESP8684H2, 2 MB flash inside, -40C +105C is a small, low-power Wi-Fi SoC module manufactured by Espressif Systems. It integrates a Tensilica L106 32-bit processor, which works at 80 MHz frequency, with 802.11b/g/n Wi-Fi Transceiver, and a 2 MByte flash memory. This module is primarily intended for Internet of Things (IoT) applications, and it supports multiple communication protocols such as Wi-Fi Direct, WPA/WPA2, and Bluetooth LE. It supports multiple functions such as smart configuration, cloud server access, and low power implementation. The module also has a wide operating temperature range of -40C to +105C.