Ai Thinker ESP-07S ESP8266 Serial WiFi Module
Introducing the Ai Thinker ESP-07S ESP8266 Serial WiFi Module, a compact and versatile solution for wireless connectivity in IoT projects and network controllers. With its streamlined design and powerful features, this module empowers developers to create innovative applications with ease.
The Ai Thinker ESP-07S ESP8266 Serial WiFi Module offers a compact alternative to the ESP-12F and ESP-12E modules, featuring a U.FL antenna connector and a more compact form factor. This module supports IEEE802.11 b/g/n standards and boasts a complete TCP/IP protocol stack, making it suitable for a wide range of networking applications.
Features:
- Compact Design: Streamlined form factor without onboard antenna, featuring a U.FL antenna connector for flexible antenna options.
- Powerful Performance: Integrated low power 32-bit MCU and 10-bit ADC for efficient data processing and accurate analog-to-digital conversion.
- Comprehensive Integration: Includes TR switch, balun, LNA, power amplifier, and matching network, as well as PLL, regulators, and power management units.
- Versatile Connectivity: Supports Wi-Fi 2.4 GHz, WPA/WPA2 security, and operation modes including STA, AP, and STA+AP. Also features Smart Link Function for seamless device connectivity.
- Rich Interface: Offers multiple interface options including SDIO 2.0, SPI, UART, I2C, I2S, IRDA, PWM, and GPIO, providing flexibility for various applications.
- Low Power Consumption: Operating current of 80 mA, operating voltage range of 3.0-3.6 V, and deep sleep power consumption of <10uA, ensuring energy efficiency.
- Fast Wake-up: Wake up and transmit packets in <2ms, allowing for rapid response and efficient data transmission.
- Wide Operating Temperature Range: Operates reliably in temperatures ranging from -40°C to 85°C, suitable for diverse environments.
Upgrade your IoT projects with the Ai Thinker ESP-07S ESP8266 Serial WiFi Module, offering advanced features and reliable performance for your wireless connectivity needs.
Specifications:
| Module Model | ESP-07s |
|---|---|
| WIFI | 802.11 b/g/n |
| Flash | 4 MB |
| Operating Temperature (°C) | -40 to 125 |
| Security | WPA/WPA2 |
| Frequency Range | 2.4GHz-2.5GHz (2400M-2483.5M) |
| Operating Voltage | 3.0~3.6V |
| Operating Current | 80mA |
| External Interface | N/A |
Package includes:
1 x Ai Thinker ESP-07S ESP8266 Serial Wi-Fi Module
Technical Specifications
| Model | ESP-07S |
|---|---|
| Interface / Protocol | WiFi |
| SKU | AI1700 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The Ai Thinker ESP-07S ESP8266 Serial WiFi Module is a versatile ai thinker esp modules used across a wide range of applications including WiFi-enabled IoT devices, smart home sensors, web servers, mesh networks, and wireless data logging.
Common use cases:
- Connecting an Arduino project to WiFi
- Building a smart plug or switch
- Creating a wireless sensor network
This product is ideal for IoT developers, home automation enthusiasts, and embedded engineers.
Technical Tip: ESP32 supports both WiFi and Bluetooth. ESP8266 is WiFi-only but more affordable. Both are programmable via Arduino IDE or ESP-IDF.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components

Siddharth Joshi –
Excellent Ai Thinker ESP-07S ESP8266 Serial WiFi! WiFi connectivity is strong and stable. Perfect for IoT projects.
Zubin Bhatt (verified owner) –
Great Ai Thinker ESP-07S ESP8266 Serial WiFi. OTA updates work perfectly. Using 5 of these around my house.
Vikram Das (verified owner) –
Okay Ai Thinker ESP-07S ESP8266 Serial WiFi. Took time to figure out the pin mapping but functional.
Anand Das –
Nice Ai Thinker ESP-07S ESP8266 Serial WiFi for IoT prototyping. Breadboard compatible which is a plus.
Ojas Mukherjee (verified owner) –
Great quality Ai Thinker ESP-07S ESP8266 Serial WiFi. Flashed with ESPHome and it works beautifully.
Shivam Singh (verified owner) –
Superb Ai Thinker ESP-07S ESP8266 Serial WiFi! Using it for my weather monitoring station. WiFi range is impressive.
Sarthak Batra (verified owner) –
Outstanding Ai Thinker ESP-07S ESP8266 Serial WiFi! Programmed it with Arduino IDE. All features work as documented.
Vivek Desai (verified owner) –
This Ai Thinker ESP-07S ESP8266 Serial WiFi is amazing for home automation. Connected all my smart devices easily.
Kabir Panchal (verified owner) –
Outstanding Ai Thinker ESP-07S ESP8266 Serial WiFi! Programmed it with Arduino IDE. All features work as documented.
Bhavna Pillai (verified owner) –
Outstanding Ai Thinker ESP-07S ESP8266 Serial WiFi! Programmed it with Arduino IDE. All features work as documented.
Sonali Dhawan –
Good quality Ai Thinker ESP-07S ESP8266 Serial WiFi. Flash memory is sufficient for most projects.
Nandini Bhandari (verified owner) –
Nice Ai Thinker ESP-07S ESP8266 Serial WiFi for IoT prototyping. Breadboard compatible which is a plus.
Swati Hegde (verified owner) –
Good Ai Thinker ESP-07S ESP8266 Serial WiFi. WiFi works well. Sometimes needs a reset but overall solid.
Tejas Verma (verified owner) –
This Ai Thinker ESP-07S ESP8266 Serial WiFi is a beast for the price. Running a web server on it with no issues.
Naveen Krishnan (verified owner) –
Love this Ai Thinker ESP-07S ESP8266 Serial WiFi. Built a smart switch with it. Works with Home Assistant perfectly.
Tejas Rao (verified owner) –
Excellent Ai Thinker ESP-07S ESP8266 Serial WiFi! WiFi connectivity is strong and stable. Perfect for IoT projects.
Tarun Mishra (verified owner) –
Great Ai Thinker ESP-07S ESP8266 Serial WiFi. OTA updates work perfectly. Using 5 of these around my house.
Jai Sen (verified owner) –
Love this Ai Thinker ESP-07S ESP8266 Serial WiFi. Built a smart switch with it. Works with Home Assistant perfectly.
Kavya Kohli (verified owner) –
Love this Ai Thinker ESP-07S ESP8266 Serial WiFi. Built a smart switch with it. Works with Home Assistant perfectly.
Vijay Bhatt (verified owner) –
Decent Ai Thinker ESP-07S ESP8266 Serial WiFi. Had to install CP2102 drivers but works fine after that.
Aditi Nayak (verified owner) –
This Ai Thinker ESP-07S ESP8266 Serial WiFi is a beast for the price. Running a web server on it with no issues.
Shreyas Dhillon (verified owner) –
Average Ai Thinker ESP-07S ESP8266 Serial WiFi. WiFi drops occasionally but works for basic projects.
Divyansh Bose (verified owner) –
Excellent Ai Thinker ESP-07S ESP8266 Serial WiFi! WiFi connectivity is strong and stable. Perfect for IoT projects.
Vinay Kamath (verified owner) –
Decent Ai Thinker ESP-07S ESP8266 Serial WiFi. Had to install CP2102 drivers but works fine after that.
Daksh Saini (verified owner) –
Excellent Ai Thinker ESP-07S ESP8266 Serial WiFi! WiFi connectivity is strong and stable. Perfect for IoT projects.
Dev Bisht (verified owner) –
Great quality Ai Thinker ESP-07S ESP8266 Serial WiFi. Flashed with ESPHome and it works beautifully.
Hardik Gupta –
Excellent for smart home projects. This Ai Thinker ESP-07S ESP8266 Serial WiFi connects reliably to my router.
Kiara Reddy (verified owner) –
Nice Ai Thinker ESP-07S ESP8266 Serial WiFi for IoT prototyping. Breadboard compatible which is a plus.
Sneha Choudhury –
Decent Ai Thinker ESP-07S ESP8266 Serial WiFi. Had to install CP2102 drivers but works fine after that.