WiFi ESP8266-12-F Serial TTL Module

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

This serial Wifi module add wireless ethernet connectivity to your microcontroller / Arduino through serial TTL pins (Rx and Tx). This means that your microcontroller / Arduino can talk to internet (send or recieve wirelessly). Moreover, the module has onboiard microcontroller with its own firmware so it will do all the WiFi related tasks and thus free your main microcontroller / Arduino to do other tasks. The module have many applications starting from sensors network to home automation. Features WiFi communication through serial AT commands. Baud rate: 115200 Operating voltage: 1.7 to 3.6V (3.3V is standard) Integrated low power 32-bit CPU could be used as application processor On board build it antenna. Note: the middle 4 pins (GPIO0, 2, CH_PD, RST) must be pulled high to VCC to enable AT commands. Datasheet and documents . Instructable on how to use with Arduino

Original AI-Thinker® Brand