CHL8266CRT

Product Overview

Category: Wireless Communication Module
Use: Internet of Things (IoT) applications
Characteristics: Compact size, low power consumption, high-speed data transmission
Package: Surface Mount Technology (SMT) package
Essence: Enables wireless connectivity for IoT devices
Packaging/Quantity: Individually packaged, quantity varies based on supplier

Specifications

• Wireless Standard: IEEE 802.11 b/g/n
• Frequency Range: 2.4GHz - 2.5GHz
• Operating Voltage: 3.3V
• Data Rate: Up to 72.2 Mbps
• Interface: UART, SPI, I2C, GPIO
• Antenna Type: On-board PCB antenna or external antenna option
• Operating Temperature: -40°C to +85°C
• Dimensions: 18mm x 20mm

Detailed Pin Configuration

The CHL8266CRT module has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VCC | Power supply (3.3V) | | 2 | GND | Ground | | 3 | TXD | Transmit Data | | 4 | RXD | Receive Data | | 5 | GPIO1 | General Purpose Input/Output 1 | | 6 | GPIO2 | General Purpose Input/Output 2 | | 7 | GPIO3 | General Purpose Input/Output 3 | | 8 | GPIO4 | General Purpose Input/Output 4 | | 9 | RESET | Reset signal input | | 10 | WAKE | Wake-up signal output |

Functional Features

• Provides wireless connectivity for IoT devices, enabling data transmission over Wi-Fi networks
• Supports various communication interfaces (UART, SPI, I2C, GPIO) for easy integration with different microcontrollers
• Compact size allows for easy integration into small-sized IoT devices
• Low power consumption ensures energy-efficient operation
• High-speed data transmission capability facilitates real-time communication

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for battery-powered IoT devices - High-speed data transmission enables efficient communication between devices - Multiple communication interfaces provide flexibility in integration - Wide operating temperature range allows for deployment in various environments

Disadvantages: - Limited range compared to other wireless communication technologies - Requires a stable Wi-Fi network for proper functioning - External antenna option may be necessary for improved signal strength in certain scenarios

Working Principles

The CHL8266CRT module operates based on the IEEE 802.11 b/g/n wireless standard. It establishes a connection with a Wi-Fi network and enables data transmission between IoT devices and the network. The module utilizes the provided communication interfaces to exchange data with the connected microcontroller. By leveraging Wi-Fi technology, the module allows IoT devices to communicate wirelessly, facilitating seamless integration into IoT ecosystems.

Detailed Application Field Plans

The CHL8266CRT module finds applications in various IoT domains, including but not limited to: 1. Home Automation: Enables smart home devices to connect to the internet and interact with users remotely. 2. Industrial Monitoring: Facilitates real-time monitoring and control of industrial processes through wireless connectivity. 3. Healthcare: Allows medical devices to transmit patient data securely to healthcare providers for remote monitoring. 4. Agriculture: Enables smart farming systems by connecting sensors and actuators for automated irrigation and monitoring. 5. Smart Cities: Contributes to the development of intelligent urban infrastructure, such as smart street lighting and waste management systems.

Detailed and Complete Alternative Models

1. CHL8266CRX: Similar to CHL8266CRT, but with an external antenna for enhanced signal strength.
2. CHL8266CRL: Lower power variant of CHL8266CRT, suitable for ultra-low-power IoT applications.
3. CHL8266CRP: Provides additional features like Power over Ethernet (PoE) support for simplified installation in certain scenarios.

These alternative models offer similar functionality to the CHL8266CRT module while catering to specific requirements or use cases.

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