ESP8266 ESP-01 Serial Wi-Fi Wireless Adapter Module

Input and Output:

• Input:
  • Serial Data Input: Data received from the microcontroller or serial interface.
  • GPIO Signals: Input from external sensors or controls through GPIO pins.
• Output:
  • Serial Data Output: Data sent from the module to the microcontroller or serial interface.
  • Wi-Fi Connectivity: Provides data communication over Wi-Fi networks.
  • Status Indicators: Typically includes an onboard LED for power and connection status.

Physical Characteristics:

• Size: Approximately 24.5 mm x 14.5 mm, compact and suitable for integration into various projects.
• Weight: Lightweight, making it easy to incorporate into small devices.
• Build: Sturdy PCB with an integrated antenna, designed for reliable performance in a compact format.

Technical Specifications:

• Processor: 32-bit Tensilica L106 microcontroller.
• Clock Speed: 80 MHz.
• Flash Memory: Varies by module, typically between 512KB and 1MB.
• RAM: 64KB of internal SRAM.
• Wi-Fi Range: Typically up to 100 meters in open space, depending on environmental factors and antenna quality.
• Serial Communication: Supports standard UART communication at baud rates up to 115200 bps.

Additional Features:

• Firmware Upgradable: Can be updated with new firmware to add features or fix bugs.
• Serial Command Interface: Use AT commands for configuration and communication.
• Ease of Integration: Can be easily integrated into existing projects using standard UART connections.

How to Use:

1. Connect the Module:
   • Connect the VCC pin to a stable 3.3V power source.
   • Connect the GND pin to the ground of the power supply.
   • Connect TX from the ESP-01 to the RX pin of your microcontroller or USB-to-serial adapter.
   • Connect RX from the ESP-01 to the TX pin of your microcontroller or USB-to-serial adapter.
   • Connect the CH_PD pin to 3.3V to keep the module active.
   • For normal operation, connect GPIO0 to 3.3V. If you need to upload new firmware, connect GPIO0 to ground.
2. Install Drivers:
   • Ensure that you have the necessary drivers installed for the USB-to-serial adapter if you are using one to connect the ESP-01 to your computer.
3. Program the Module:
   • Use AT commands to configure the module. Connect to the module using a serial terminal or an appropriate development environment.
   • Set up Wi-Fi credentials, configure network settings, and test communication using AT commands.
4. Testing and Debugging:
   • Use serial communication tools to send and receive data from the ESP-01.
   • Verify connections and settings by checking responses from the module and monitoring the status LED.
5. Integration:
   • Integrate the ESP-01 into your project by connecting the GPIO pins to external devices or sensors as needed.
   • Utilize the module’s Wi-Fi capabilities to send or receive data over the internet.

The ESP8266 ESP-01 Serial Wi-Fi Wireless Adapter Module is a versatile component that adds Wi-Fi capabilities to your projects. It is ideal for applications requiring wireless communication and can be easily integrated with microcontrollers and other devices.