ESP8266 12F
ESP8266 12F
ESP8266 12F WiFi Module
Build powerful IoT projects with the ESP8266-12F - the industry-standard WiFi module featuring 4MB flash, 11 GPIO pins, and full TCP/IP stack. Perfect for smart home automation, sensor networks, and cloud-connected devices. Premium quality from The Tech Depot, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and expert support.
Specifications
| Module | ESP8266-12F (AI-Thinker) |
| Chipset | Espressif ESP8266EX |
| WiFi Standard | 802.11 b/g/n (2.4 GHz) |
| Operating Voltage | 3.0V - 3.6V (Typical 3.3V) |
| Flash Memory | 4MB (32 Mbit) SPI Flash |
| Processor | Tensilica L106 32-bit RISC, 80/160 MHz |
| RAM | 50 KB usable (from 160 KB total) |
| GPIO Pins | 11 (multiplexed with other functions) |
| ADC | 1-channel, 10-bit (0-1V input range) |
| Interfaces | UART, SPI, I2C, I2S, PWM |
| WiFi Security | WPA/WPA2-PSK, WEP |
| WiFi Modes | Station, SoftAP, Station + SoftAP |
| Antenna | Onboard PCB trace antenna (with metal shield) |
| WiFi Range | Up to 100m (open air, line of sight) |
| Operating Temperature | -40 degreesC to +125 degreesC |
| Module Dimensions | 24mm x 16mm x 3mm (approx.) |
| Certification | FCC, CE, RoHS compliant |
| Firmware Support | AT Command, NodeMCU (Lua), Arduino IDE, MicroPython |
| Origin | Original / Authentic (AI-Thinker) |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Key Features
- Full WiFi SoC: Complete 802.11 b/g/n stack with TCP/IP - connects directly to any WiFi router without an external microcontroller
- 4MB Flash Memory: The 12F variant includes 4MB onboard flash, providing ample space for OTA updates, web servers, and complex firmware
- 11 GPIO Pins: More I/O than earlier ESP-01 modules - supports UART, SPI, I2C, PWM, and a 10-bit ADC channel
- Metal RF Shield: Improved version over ESP-12E with enhanced shielding for better signal integrity and reduced interference
- Ultra Low Power: Deep sleep mode draws as little as 20uA, ideal for battery-powered IoT sensor nodes
- Arduino IDE Compatible: Program easily using the familiar Arduino framework with thousands of community libraries
- Castellated Edge Pins: SMD-ready half-hole pads for clean PCB integration or breadboard use with adapter boards
- Versatile Firmware Options: Run AT commands, Lua (NodeMCU), MicroPython, or native Espressif SDK - choose your workflow
Why Choose the ESP8266-12F?
- 100% authentic AI-Thinker module sourced from authorized distributors - no clones or remarked chips
- The 12F is the recommended upgrade over ESP-12E with improved antenna impedance matching and RF shielding
- Most popular ESP8266 variant - massive community support, tutorials, and proven reliability
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most of India
- Expert technical support included - we help you get your project working
- Ideal for both prototyping and production-grade embedded designs
Pin Configuration
| VCC | 3.3V Power Supply (do NOT use 5V) |
| GND | Ground |
| TX (GPIO1) | UART Transmit |
| RX (GPIO3) | UART Receive |
| GPIO0 | Boot mode select / General purpose I/O |
| GPIO2 | Must be HIGH at boot / General |
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 ESP8266 12F Online in India
Purchase the ESP8266 12F online at The Tech Depot - 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 ESP8266 12F 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 ESP8266 12F at the best price in India? The Tech Depot 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.