WiFi 802.11b/g/n Transceiver Module 2.4GHz ~ 2.5GHz Integrated, Trace Surface Mount
The ESP-12F is a compact WiFi module based on the ESP8266EX, widely used in IoT and embedded systems due to its low cost and built-in networking capabilities.
Integrated WiFi (2.4 GHz)
Supports 802.11 b/g/n
Built-in TCP/IP stack (no external WiFi processor needed)
Microcontroller + WiFi in one
Powered by the ESP8266EX SoC
Can run user applications directly (not just a WiFi modem)
Flash Memory
Typically 4 MB SPI flash (varies by version)
GPIO Support
Multiple multifunction pins:
Digital I/O
PWM
I2C
SPI
UART
ADC (1 channel)
Size: ~16 mm × 24 mm
Mounting: Castellated SMD module
Antenna:
Built-in PCB trace antenna (requires proper keepout zone)
Power Requirements
Operating Voltage: 3.0V – 3.6V (typical 3.3V)
Current Consumption:
Idle: ~70 mA
Peak (TX): up to ~300 mA
Common Interfaces
UART – programming and debugging
SPI – peripheral communication
I2C (software-based)
GPIO – general-purpose control
#commonpartslibrary
#transceiver
#module
#wireless
#rf
#wifi
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