The ESP12F is a highly integrated WiFi module developed by AiThinker, featuring the ESP8266 core processor [citation:1][citation:7]. It combines a Tensilica L106 32bit MCU (80/160MHz) with Wi-Fi MAC/BB/RF/PA/LNA in a compact SMD package [citation:1].
| Parameter | Value |
|---|---|
| Core Processor | ESP8266 [citation:7] |
| MCU | Tensilica L106 32-bit [citation:1] |
| Clock Frequency | 80MHz / 160MHz [citation:1] |
| Flash Memory | 4MB (32Mbit) [citation:9][citation:11] |
| Wi-Fi Protocol | 802.11 b/g/n [citation:1] |
| Operating Voltage | 3.0V to 3.6V [citation:2][citation:5] |
| Interface | UART, GPIO, ADC, PWM, SPI, I2C [citation:1][citation:4] |
| PCB Antenna | Built-in [citation:2] |
| Deep Sleep Current | 20µA [citation:1][citation:4] |
| SMD Package | 24mm x 16mm [citation:2] |
= Key Features =
Integrated WiFi MAC/BB/RF/PA/LNA Complete RF frontend onchip [citation:1]
Dual Processing Mode Can run standalone or as a WiFi adapter for host MCUs [citation:4]
MultiMode Support STA, SoftAP, and STA+AP modes [citation:1]
Smart Config Supports Android/iOS and WeChat AirKiss oneclick configuration [citation:1]
Low Power Modes Deep sleep (20µA) and powerdown (<10µA) for battery projects [citation:4][citation:8]
OTA Updates Supports remote firmware upgrade over WiFi [citation:1]
10bit ADC Built-in analog input for sensor integration [citation:1][citation:6]
√ Preprogrammed with AT firmware works out of the box [citation:8]
√ Supports Arduino IDE development [citation:10]
√ FCC/RoHS certified module [citation:2]
Key pins:
The ESP-12F can be used in two ways:
Easy AT Command Set - Quick integration with existing MCUs [citation:1]
Full Open SDK - Supports Windows/Linux development environments [citation:1]
√ 22-pin SMD package with 2mm pitch
√ Ready for reflow soldering
√ Suitable for consumer and industrial applications [citation:2]
Module not responding: