ESP-09 ESP8266 Serial WiFi Module

The ESP-09 is an ESP8266 Serial WiFi Module, supplied in a QFN-32 package. Main ratings: Working voltage 3.3V; Supported voltage 3.0 - 3.6V; Working current 71-80mA; Maximum current 300mA. This page brings together the ESP-09 pinout and key specifications, with the full datasheet PDF to preview below or download.

ESP-09 ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or offload all Wi-Fi networking functions from another application processor. The module has powerful onboard processing and storage capabilities that allow it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. ESP-09 ESP8266 with direct aid from various interfaces, supports UART, IIC, PWM, GPIO, ADC, etc., allowing it to be suitable for a wide array of networking applications

ESP-09 demonstrates sophisticated system-level features including fast sleep/wake, context switching for energy-efficient VoIP, adaptive radio biasing for low-power operation, advanced signal processing, and spur cancellation with radio co-existence features for common cellular, Bluetooth, DDR, LVDS, LCD interference mitigation.