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 to offload all Wi-Fi networking functions from another application processor.
ESP8266 has powerful on-board 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. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including front-end module, is designed to occupy minimal PCB area.
- Standards Certification: FCC / CE / TELEC
- Wireless standards: 802.11 b / g / n
- Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M)
- Data interface: UART / HSPI / I2C / I2S / Ir Remote Contorl GPIO / PWM
- Operating voltage: 3.0 ~ 3.6V (recommendation 3.3V)
- Working Current: Average: 80mA
- Operating temperature: -40 ° ~ 125 °
- Storage temperature: Nomal temperature
|Board Size||2.5CM X 1.5CM X 0.5CM|
|Operation Level||Digital 3.3V|
The ESP-12F WiFi module was developed by Ai-Thinker Technology. The core processor ESP8266 integrates the industry-leading Tensilica L106 ultra-low-power 32-bit micro MCU in a small package with 16-bit Lite mode, clocked at Supports 80 MHz and 160 MHz, supports RTOS, and integrates Wi-Fi MAC/BB/RF/PA/LNA.
The ESP-12F WiFi module supports the standard IEEE802.11 b/g/n protocol, a complete TCP/IP protocol stack. Users can use this module to add networking capabilities to existing devices or to build separate network controllers.
The ESP8266 is a high-performance wireless SOC that offers maximum utility at the lowest
cost and unlimited possibilities for embedding WiFi functionality into other systems.
The ESP8266 is a complete and self-contained WiFi network solution that can operate independently or as a slave running on other host MCUs. The ESP8266 is capable of booting directly from an external flash memory when it is powered by an application and is the only application processor in the device. The built-in cache helps improve system performance and reduce memory requirements.
In another case, the ESP8266 is responsible for wireless Internet access. When it comes to the task of the WiFi adapter, it can be added to any micro controller-based design. The connection is simple and easy, just by SPI / SDIO interface or I2C / UART port. Just fine.
The ESP8266’s powerful on-chip processing and storage capabilities allow it to integrate sensors and other application-specific devices through the GPIO port, minimizing system resources during minimal up-front development and operation.
|2. Pin Definition
The ESP-12 module leads to 16 pins.
|Figure 2.1 ESP-12F Pin diagram|
|No.||Pin Name||Functional Description|
|1||RST||Reset Pin, Active Low|
|2||ADC||AD conversion, Input voltage range 0~1V, the value range
|3||EN||Chip Enabled Pin, Active High|
|4||IO16||Connect with RST pin to wake up Deep Sleep|
|7||IO13||GPIO13; HSPI_MOSI; UART0_CTS|
|8||VCC||Module power supply pin, Voltage 3.0V ~ 3.6V|
|10||IO15||GPIO15; MTDO; HSPICS; UART0_RTS|
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