CH340 USB to ESP8266 Serial Wireless Wi-Fi Module Adapter Board

Specifications:

Microcontroller: ESP8266
USB-to-Serial Converter: CH340
Operating Voltage: 3.3V for ESP8266; USB provides 5V power
Connectivity: Serial communication (UART)
Compatible Modules: Typically used with ESP-01 modules for development
Interface: Micro USB connector for power and programming

Special Features:

USB-to-Serial Conversion: Provides a bridge between USB and ESP8266 serial communication.
Compact Design: Small board size for easy integration with various projects.
Built-In Voltage Regulation: Includes components to ensure stable 3.3V output for the ESP8266.
Debugging Capabilities: Allows for easy programming and debugging of ESP8266 modules.

Wiring Connections:

USB Connector:
- Micro USB: Connect to a USB port for power and communication.
ESP8266 Pins:
- TX (Transmit): Connects to RX (Receive) of the ESP8266.
- RX (Receive): Connects to TX (Transmit) of the ESP8266.
- CH_PD (Chip Power Down): Connect to 3.3V to keep the ESP8266 active.
- GPIO0 (General Purpose I/O 0): Used for boot mode selection; typically pulled high (to 3.3V) for normal operation.
- RST (Reset): Connect to reset circuitry; may be used for manual reset.
- GND (Ground): Connect to the ground of the USB source.

Power:

Source: Powered via micro USB from a computer or USB power adapter.
Regulation: The onboard circuit converts 5V from USB to a stable 3.3V for the ESP8266.
Consumption: Low power consumption, generally less than 100mA.

Original price was: ৳ 250.00.Current price is: ৳ 198.00.

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Specification

Overview

Input and Output:

Input:
- USB Input: Receives power and data from the computer or USB adapter.
- Serial Data: Inputs data from the connected ESP8266 module.
Output:
- Serial Data: Outputs data to and from the ESP8266 module.
- LED Indicators: Often includes LEDs for power and activity status.

Physical Characteristics:

Size: Compact board, typically around 30 mm x 20 mm.
Weight: Lightweight, suitable for portable and embedded applications.
Build: Durable PCB with clearly marked pins and a micro USB connector.

Technical Specifications:

Microcontroller: ESP8266, capable of handling Wi-Fi communication.
USB-to-Serial Chip: CH340, provides a reliable connection between USB and serial communication.
Voltage Levels: Operates at 3.3V logic levels; USB provides 5V power.
Serial Communication: Supports standard serial communication speeds up to 115200 bps.

Additional Features:

Driver Support: CH340 drivers are widely available and compatible with various operating systems.
Ease of Use: Simplifies the process of programming and debugging ESP8266 modules.
Versatility: Can be used with other ESP8266 modules and microcontrollers that require serial communication.

How to Use:

Connect the Board:
- Plug the micro USB connector into a USB port on your computer or a USB power adapter. This powers the board and allows for serial communication.
Install Drivers:
- Ensure that the CH340 drivers are installed on your computer. These drivers are necessary for the USB-to-serial communication and can be downloaded from various sources online.
Connect to ESP8266 Module:
- Attach the ESP8266 module (e.g., ESP-01) to the board. Connect the TX pin of the board to the RX pin of the ESP8266, and the RX pin of the board to the TX pin of the ESP8266.
- Connect the CH_PD pin to 3.3V to keep the ESP8266 active.
- Ensure the GPIO0 pin is high (to 3.3V) for normal operation.
Programming:
- Use a serial terminal or development environment (e.g., Arduino IDE) to send commands and upload code to the ESP8266. Configure the serial port settings to match the ESP8266’s baud rate.
Debugging:
- Use the serial monitor to view output from the ESP8266. This helps in debugging and verifying that the module is working correctly.
Reset and Configuration:
- Use the reset pin to restart the ESP8266 if needed. Configure the module as required for your specific application, including setting up Wi-Fi credentials and other parameters.

The CH340 USB to ESP8266 Serial Wireless Wi-Fi Module Adapter Board is an essential tool for developers working with ESP8266 modules. It provides an easy and reliable way to program and debug ESP8266-based projects, making it a valuable component in the development of Wi-Fi and IoT applications.