The ESP-15F32Mbit Wi-Fi modules ROHS manufactured by Ai-Thinker are based on the ESP8285 processor and offer 32 Mbit of Flash memory. The modules come with an integrated antenna and can be used to provide Wi-Fi connectivity to a host system. Those modules also have a wide range of IO/peripherals, including ADC, SPI, PWM, and I2C. They are manufactured with RoHS compliant materials to ensure safe operation. These modules have an operating temperature range of -25°C to +85°C and are designed to work with multiple operating systems, including Windows, iOS, Linux, and others. The ESP-15F32Mbit is ideal for applications such as home automation, monitoring sensors, and other internet of things applications.