Description
The ESP8266EX is a highly integrated, self-contained Wi-Fi System-on-Chip (SoC) designed to bring cost-effective and reliable wireless connectivity to a broad range of Internet of Things (IoT) applications. Built around the Tensilica L106 32-bit RISC processor, it offers the flexibility to act as either a standalone application controller or as a Wi-Fi adapter for an existing microcontroller via SPI, SDIO, or UART interfaces.
The SoC is optimized for power efficiency and performance, featuring an integrated high-speed cache that enhances system throughput and optimizes memory usage. Its comprehensive networking stack enables devices to connect to Wi-Fi networks with minimal external circuitry, making it a cornerstone component for modern smart home and industrial automation devices.
Note: Product images are for illustrative purposes only. Please refer to the official Espressif datasheet for precise pin definitions, electrical characteristics, and reference design layouts required for optimal RF antenna performance.
Features
- Processor: Tensilica L106 32-bit RISC processor for high-efficiency computation.
- Connectivity: Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) with full networking capabilities.
- Versatile Operation: Functions as a standalone controller or as a slave Wi-Fi adapter for other MCUs.
- Optimized Memory: Integrated high-speed cache for improved system performance.
- Compact Footprint: Housed in a small 32-pin QFN (5×5 mm) package.
- Interfaces: Supports multiple communication protocols including SPI, SDIO, and UART.
Benefits
- Low System Cost: Highly integrated design minimizes the need for external components, reducing the overall Bill of Materials (BOM).
- Developer Ecosystem: Supported by an extensive library of open-source firmware, SDKs, and community-driven development tools.
- Reliable Networking: Self-contained stack handles complex wireless handshake and security protocols internally.
Applications
- Smart Home Appliances
- Industrial Wireless Telemetry
- IoT Sensor Nodes
- Wi-Fi Enabled Home Automation
- Prototyping Wireless Connectivity for Microcontrollers
Package Includes
- 1 x ESP8266EX Wi-Fi SoC (QFN-32)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | ESP8266EX |
| Core | L106 RISC |
| Operating Frequency | 2.4 GHz – 2.5 GHz |
| Max Data Rate | 72.2 Mb/s |
| Supply Voltage | 2.5 V – 3.6 V |
| Package | QFN-32 (5×5 mm) |
| Receiving Current | 56 mA |
| Transmitting Current | 170 mA |
