SKU: IOWC-0052
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AI-Thinker ESP-01F ESP8285 Serial Wi-Fi Module

₹184.00 (Inclusive of all taxes)
Out of Stock

The AI-Thinker ESP-01F is an ultra-compact serial-to-Wi-Fi module based on the ESP8285 SOC, integrating a 32-bit MCU, Wi-Fi radio, and TCP/IP stack for embedding wireless connectivity into existing devices or standalone IoT controllers. It operates from a 3.0-3.6V supply and supports AT command configuration for rapid development.

Features

  • Ultra-Compact SMD Form Factor – Measures just 11x10mm, making it ideal for space-constrained PCB designs and wearable electronics.
  • Integrated ESP8285 Wi-Fi SOC – Combines a 32-bit Tensilica L106 MCU (up to 160MHz) with full 802.11b/g/n MAC/BB/RF, PA, and LNA on a single chip.
  • Low-Power Operation – Features multiple sleep modes with deep sleep current as low as 20µA, extending battery life in remote sensing applications.
  • Rich Peripheral Interfaces – Provides UART, GPIO, I2C, PWM, and a 10-bit ADC for direct sensor connectivity and system control.
  • Simplified Firmware Development – Supports AT commands, Smart Config, FOTA, and is compatible with common SDKs for Windows and Linux environments.

Out of stock

Description

The ESP-01F module encapsulates the ESP8285, a highly integrated wireless SOC designed for cost-sensitive IoT applications requiring minimal PCB footprint. Its architecture includes a capable application processor alongside the Wi-Fi transceiver, enabling it to handle both network stack processing and user application logic without an external microcontroller. The module supports Station, Access Point, and concurrent STA+AP modes, providing flexibility for various network topologies.

Power management is a key feature, with configurable sleep patterns that drastically reduce average current consumption, making it suitable for battery-powered nodes. The integrated PCB antenna simplifies design, while the SMD-18 package allows for straightforward reflow soldering. With an embedded LWIP protocol stack and support for common security protocols (WEP, WPA/WPA2-PSK), the module offers a turnkey solution for adding secure Wi-Fi connectivity to industrial controls, home automation systems, and consumer electronics.

Key Features

  • Smallest 802.11b/g/n Wi-Fi SOC Module – Extremely compact design for embedding wireless functionality into tight spaces.
  • Integrated Application Processor – The onboard 32-bit CPU can run user firmware, eliminating the need for an external MCU in many cases.
  • High-Speed Serial Interface – UART baud rate configurable up to 4 Mbps for fast data exchange with host systems.
  • Advanced Power Saving – Supports deep sleep (20µA) and other low-power modes to maximize operational lifespan on battery power.
  • Simplified Network Provisioning – Compatible with Smart Config and AirKiss technology for easy Wi-Fi credential setup via smartphone apps.
  • Remote Firmware Management – Supports Firmware Over-The-Air (FOTA) updates for deploying fixes and new features to deployed units.
  • Developer-Friendly Ecosystem – Works with standard AT commands and is supported by common Windows/Linux development tools and SDKs.

Applications

  • Home Automation & Smart Plugs – Adds Wi-Fi control to relays, lights, and appliances for integration with platforms like Home Assistant or MQTT.
  • Industrial Wireless Control & Telemetry – Enables remote monitoring and control of sensors, actuators, and machinery over local Wi-Fi networks.
  • Wearable & Portable Electronics – Its tiny size and low-power modes make it ideal for fitness trackers, smart watches, and portable data loggers.
  • Consumer Device Networking – Upgrades existing products like baby monitors, toys, or kitchen gadgets with cloud connectivity and smartphone control.
  • Prototyping & DIY IoT Projects – Serves as a low-cost, readily available Wi-Fi core for maker projects and proof-of-concept builds.

Technical Specifications

Microcontroller/SoCESP8285 (Tensilica L106 32-bit RISC)
Wireless ProtocolsIEEE 802.11 b/g/n
Frequency Range2400 - 2500 MHz
RF Transmit Power802.11b: 16±2 dBm (@11Mbps), 802.11g: 14±2 dBm (@54Mbps), 802.11n: 13±2 dBm (@HT20, MCS7)
Receiving SensitivityCCK 1 Mbps: -90 dBm, CCK 11 Mbps: -85 dBm, OFDM 54 Mbps: -70 dBm, HT20 MCS7: -67 dBm
Supply Voltage3.0V - 3.6V
Operating CurrentData not provided (Typical active current ~70mA)
Deep Sleep Current~20 µA
InterfacesUART, GPIO, I2C, PWM, ADC (10-bit)
Antenna ConnectorIntegrated PCB Antenna
Operating Temperature-20°C to +85°C
Dimensions (L x W)11 mm x 10 mm (SMD-18 Package)

Frequently Asked Questions

What is the default UART baud rate for the ESP-01F module, and how do I change it?

The ESP-01F module defaults to a UART baud rate of 115200 bps for serial communication with a host MCU or PC. You can change this rate by sending specific AT commands (e.g., AT+UART=) over the serial interface to configure it for values between 300 and 4608000 bps. Ensure your serial terminal or microcontroller code is set to match the new baud rate after the change is applied for successful communication.

How do I put the ESP-01F into deep sleep mode to save power, and what is the wake-up method?

To activate deep sleep mode (consuming ~20µA), you must send the AT command AT+GSLP=

Can I program the ESP-01F directly using the Arduino IDE or ESP8266 core?

Yes, the ESP-01F's ESP8285 chip is fully compatible with the community-supported ESP8266 core for Arduino IDE. You must install the board support package and select a Generic ESP8285 module. Flashing requires a USB-to-serial adapter connected to the module's UART_TXD and UART_RXD pins, with GPIO0 pulled low during reset to enter programming mode. Note that the limited GPIO pins available on the ESP-01F footprint may constrain more complex projects.

What is the operating voltage range, and can I power the module directly from a 5V source?

The ESP-01F module requires a regulated power supply between 3.0 and 3.6 volts DC. Applying a 5V source directly to its VCC pin will likely damage the onboard ESP8285 SOC and related circuitry. You must use a 3.3V regulator or a level-shifting circuit if your system primary voltage is 5V. Ensure the power supply can deliver sufficient current, as peak transmission currents can reach several hundred milliamps during Wi-Fi radio activity.

Package Includes

  • 1 x AI-Thinker ESP-01F ESP8285 Serial WiFi Module

Additional Information

Weight 0.003 kg
Dimensions 1.1 × 1 cm