WiFi ESP8266-12-F Serial TTL Module

Description

WiFi ESP8266-12-F Serial TTL Module The WiFi ESP8266-12-F Module is a compact, high-performance wireless solution based on the ESP8266 chip, designed for embedded applications requiring reliable WiFi connectivity. Developed by Ai-thinker Team, this module integrates a low-power 32-bit MCU, a complete TCP/IP protocol stack, and advanced RF components, making it ideal for space- and power-constrained designs. With support for 802.11 b/g/n protocols, the ESP-12F offers seamless wireless communication, while its small form factor (16mm x 24mm x 3mm) and ultra-low power consumption (deep sleep mode <10uA) make it perfect for battery-operated devices. It delivers excellent RF performance, including +20dBm output power in 802.11b mode and sensitivity up to -98dBm, ensuring robust connectivity even in challenging environments. The ESP8266-12-F can operate as a standalone application or offload WiFi networking functions from another processor, providing flexibility for a wide range of projects. It also supports over-the-air (OTA) firmware upgrades and features a Smart Link Function for easy setup with Android and iOS devices. Whether you’re building IoT devices, smart home systems, or wireless sensors, the ESP-12F offers the performance, versatility, and ease of use you need. Features : Supports 802.11 b/g/n WiFi standards Integrated low-power 32-bit MCU for standalone operation 10-bit ADC for analog input Complete TCP/IP protocol stack Integrated RF components: TR switch, balun, LNA, power amplifier, and matching network Supports antenna diversity for improved signal reliability Multiple interfaces: SDIO, SPI, UART, I2C, I2S, IRDA, PWM, GPIO Smart Link Function for easy setup with Android and iOS devices OTA firmware upgrade support for convenient updates Low power consumption: deep sleep mode <10uA, standby power <1.0mW (DTIM3) 4MB SPI flash memory for program storage Wide operating temperature range: -40°C to 125°C Certifications: FCC, CE, ROSH Specifications : Parameter Value WiFi Protocols 802.11 b/g/n Frequency Range 2.4GHz – 2.5GHz Operating Voltage 3.0V – 3.6V Operating Current Average 80mA Operating Temperature -40°C to 125°C Package Size 16mm x 24mm x 3mm Flash Memory 4MB Certifications FCC, CE, ROSH Output Power (802.11b) +20dBm Sensitivity (DSSS, 1Mbps) -98dBm Interfaces SDIO, SPI, UART, I2C, I2S, IRDA, PWM, GPIO Security WPA/WPA2, WEP/TKIP/AES Firmware Upgrade UART Download / OTA PIN DESCRIPTION TxD The transmitter of the serial interface UART. RxD The receiver of the serial interface UART. GPIO x Lead GPIO (digital output/ input) with a serial number. GPIO 0 GPIO with special function: To update, you need to indicate the low status (connect to GND). GPIO 15 GPIO No. 15 with a special function: In normal and programming mode should indicate the low status (conect to GND). ADC Input of analog-to-digital converter. REST The system reset. EN (CH_PD) Power down – indication of low state causes a transition to sleep mode.To update, you need to indicate a high status (3.3 V). VCC The Power – 3.3 V. Applications : Internet of Things (IoT) Devices : Enable wireless connectivity in IoT projects. Smart Home Automation : Control lights, appliances, and sensors remotely. Wireless Sensor Networks : Collect and transmit data from environmental sensors. Wearable Electronics : Add WiFi to compact, battery-powered wearables. Embedded Systems : Integrate WiFi into microcontroller-based designs. Remote Control and Monitoring : Build systems for real-time data access. Package Contents: 1x WiFi ESP8266-12-F Serial TTL Module Useful links : Example of connection of ESP-12 Sample Arduino program Comparison of ESP modules The ESP8266 community forum Datasheet : ESP12F-Datasheet

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