ESP8266 Serial WiFi Module ESP-01 Simple Wireless Connectivity for Arduino & DIY Projects

Easy-to-Use ESP8266 WiFi Module for Arduino and More

The ESP8266 Serial WiFi Module (ESP-01) is your go-to wireless solution for adding Wi-Fi connectivity to Arduino, Raspberry Pi, and other microcontroller projects. Designed for simple setup and effortless integration, this module lets everyday makers and hobbyists bring smart features to DIY electronics.

Key Features of the ESP-01 WiFi Transceiver Board

• Wireless Standards: 802.11 b/g/n support for robust wireless connections
• WiFi Security: Compatible with WPA and WPA2 security modes
• Simple Serial Communication: Standard UART interface (baud rate: 115200 bps) for straightforward MCU connection
• Input Power: Operates at 3.3V for safe, efficient use in low-power projects
• I/O Voltage Tolerance: Maximum of 3.6V to protect your module and circuits
• Built-In 1MB Flash Memory for firmware upgrades and applications
• Compact ESP-01 form factor ideal for breadboard or permanent installs

Perfect for Your Connected Projects

The ESP8266 WiFi Module makes it easy to prototype wireless sensing, cloud data logging, smart home controls, or IoT gadgets on a budget. Connect to local Wi-Fi networks and control devices or gather sensor data right from your phone or computerno complex coding required.

Quick Setup Instructions

• For basic Wi-Fi use, connect the CH_PD pin to VCC (with a 4.7k resistor recommended).
• Link UTXD, GND, VCC, and URXD pins to a USB-TTL adapter (TXD/RXD cross-connected).
• For AT command mode, power up with GPIO0 high. For firmware upgrades, power up with GPIO0 low.
• Note: Always use a 3.3V supply! Applying higher voltage may damage the module.

Why Choose the ESP8266 Serial WiFi Module?

• Reliable and proven ESP-01 hardware trusted by makers worldwide
• Perfect fit for Arduino WiFi projects
• Simple, affordable, and compatible with popular IoT platforms
• Great for hobbyists, students, and educators wanting hands-on wireless experience

Product ID: VUPN2135