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Ai Thinker ESP-12F ESP8266 Serial WiFi Module
Add powerful, reliable WiFi connectivity to your microcontroller projects with the Ai Thinker ESP-12F - the industry-standard ESP8266-based serial WiFi module. Featuring an enhanced antenna design with a metal shield for superior RF performance and minimal interference, the ESP-12F is the go-to choice for IoT developers, hobbyists, and product designers worldwide. Available now from The Engineer Store, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Module | Ai Thinker ESP-12F |
| Chipset | ESP8266EX (Espressif Systems) |
| WiFi Standard | IEEE 802.11 b/g/n (2.4 GHz) |
| Frequency Range | 2400 MHz - 2483.5 MHz |
| Operating Voltage | 3.0V - 3.6V (Typical 3.3V) |
| Operating Current | ~80 mA average (transmit peak ~170 mA) |
| Deep Sleep Current | ~20 uA |
| Processor | 32-bit Tensilica L106 RISC @ 80/160 MHz |
| Flash Memory | 4 MB (32 Mbit) SPI Flash |
| RAM | 50 KB usable (from 160 KB total) |
| GPIO Pins | 11 (active) - supports PWM, I2C, SPI, UART, ADC |
| ADC | 1-channel, 10-bit (0-1V input range) |
| UART | UART0 (TXD/RXD) + UART1 (TXD only) |
| SPI / I2C | Supported via software or hardware |
| Antenna | Onboard PCB trace antenna (improved design over ESP-12E) |
| WiFi Security | WPA / WPA2-PSK |
| Network Protocols | TCP/IP, UDP, HTTP, MQTT, FTP, and more |
| WiFi Modes | Station (STA), Access Point (AP), STA+AP |
| Transmit Power | +20 dBm (max, 802.11b mode) |
| Receiver Sensitivity | -91 dBm (11 Mbps) |
| Operating Temperature | -40 degreesC to +125 degreesC |
| Module Dimensions | 24 mm x 16 mm x 3 mm (approx.) |
| Pitch | 2.0 mm (castellated/half-hole pads - 22 pins) |
| Shielding | Metal RF shield for EMI reduction |
| Firmware Support | AT Command firmware, NodeMCU (Lua), Arduino IDE, MicroPython, ESP-IDF |
| Certifications | FCC, CE, TELEC, IC (module-level) |
| Type | WiFi Serial Module / IoT SoC Module |
| Origin | Original Ai Thinker - 100% Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Enhanced PCB Antenna: The ESP-12F features an optimized antenna layout compared to the older ESP-12E, delivering better WiFi range, stronger signal stability, and more reliable connectivity in real-world environments.
- Full Metal Shield: Integrated RF shielding minimizes electromagnetic interference (EMI) and improves signal integrity - essential for noise-sensitive and certification-ready designs.
- 4 MB Flash Memory: Generous onboard flash supports OTA (Over-The-Air) updates, complex firmware, web server hosting, file systems (SPIFFS/LittleFS), and dual-partition boot schemes.
- 11 Accessible GPIO Pins: Versatile I/O supporting digital read/write, PWM output, I2C, SPI, UART, and a 10-bit ADC channel - enough for most sensor and actuator applications.
- Ultra-Low Deep Sleep Power: Draws only ~20 uA in deep sleep mode, making it ideal for battery-powered IoT sensors, remote monitors, and energy-harvesting designs.
- Complete WiFi Stack: Supports Station, Access Point, and combined STA+AP modes with WPA2 security, enabling flexible network architectures from simple clients to standalone hotspots.
- Broad Firmware Ecosystem: Program using Arduino IDE (C/C++), MicroPython, NodeMC
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Ai Thinker ESP-12F ESP8266 Serial WiFi Module Online in India
Purchase the Ai Thinker ESP-12F ESP8266 Serial WiFi Module online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Ai Thinker ESP-12F ESP8266 Serial WiFi Module with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Ai Thinker ESP-12F ESP8266 Serial WiFi Module at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Ai Thinker ESP-12F ESP8266 Serial WiFi Module
Add powerful, reliable WiFi connectivity to your microcontroller projects with the Ai Thinker ESP-12F - the industry-standard ESP8266-based serial WiFi module. Featuring an enhanced antenna design with a metal shield for superior RF performance and minimal interference, the ESP-12F is the go-to choice for IoT developers, hobbyists, and product designers worldwide. Available now from The Engineer Store, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Module | Ai Thinker ESP-12F |
| Chipset | ESP8266EX (Espressif Systems) |
| WiFi Standard | IEEE 802.11 b/g/n (2.4 GHz) |
| Frequency Range | 2400 MHz - 2483.5 MHz |
| Operating Voltage | 3.0V - 3.6V (Typical 3.3V) |
| Operating Current | ~80 mA average (transmit peak ~170 mA) |
| Deep Sleep Current | ~20 uA |
| Processor | 32-bit Tensilica L106 RISC @ 80/160 MHz |
| Flash Memory | 4 MB (32 Mbit) SPI Flash |
| RAM | 50 KB usable (from 160 KB total) |
| GPIO Pins | 11 (active) - supports PWM, I2C, SPI, UART, ADC |
| ADC | 1-channel, 10-bit (0-1V input range) |
| UART | UART0 (TXD/RXD) + UART1 (TXD only) |
| SPI / I2C | Supported via software or hardware |
| Antenna | Onboard PCB trace antenna (improved design over ESP-12E) |
| WiFi Security | WPA / WPA2-PSK |
| Network Protocols | TCP/IP, UDP, HTTP, MQTT, FTP, and more |
| WiFi Modes | Station (STA), Access Point (AP), STA+AP |
| Transmit Power | +20 dBm (max, 802.11b mode) |
| Receiver Sensitivity | -91 dBm (11 Mbps) |
| Operating Temperature | -40 degreesC to +125 degreesC |
| Module Dimensions | 24 mm x 16 mm x 3 mm (approx.) |
| Pitch | 2.0 mm (castellated/half-hole pads - 22 pins) |
| Shielding | Metal RF shield for EMI reduction |
| Firmware Support | AT Command firmware, NodeMCU (Lua), Arduino IDE, MicroPython, ESP-IDF |
| Certifications | FCC, CE, TELEC, IC (module-level) |
| Type | WiFi Serial Module / IoT SoC Module |
| Origin | Original Ai Thinker - 100% Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Enhanced PCB Antenna: The ESP-12F features an optimized antenna layout compared to the older ESP-12E, delivering better WiFi range, stronger signal stability, and more reliable connectivity in real-world environments.
- Full Metal Shield: Integrated RF shielding minimizes electromagnetic interference (EMI) and improves signal integrity - essential for noise-sensitive and certification-ready designs.
- 4 MB Flash Memory: Generous onboard flash supports OTA (Over-The-Air) updates, complex firmware, web server hosting, file systems (SPIFFS/LittleFS), and dual-partition boot schemes.
- 11 Accessible GPIO Pins: Versatile I/O supporting digital read/write, PWM output, I2C, SPI, UART, and a 10-bit ADC channel - enough for most sensor and actuator applications.
- Ultra-Low Deep Sleep Power: Draws only ~20 uA in deep sleep mode, making it ideal for battery-powered IoT sensors, remote monitors, and energy-harvesting designs.
- Complete WiFi Stack: Supports Station, Access Point, and combined STA+AP modes with WPA2 security, enabling flexible network architectures from simple clients to standalone hotspots.
- Broad Firmware Ecosystem: Program using Arduino IDE (C/C++), MicroPython, NodeMC
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Ai Thinker ESP-12F ESP8266 Serial WiFi Module Online in India
Purchase the Ai Thinker ESP-12F ESP8266 Serial WiFi Module online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Ai Thinker ESP-12F ESP8266 Serial WiFi Module with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Ai Thinker ESP-12F ESP8266 Serial WiFi Module at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.