产品概览
The ESP8266EX from Espressif Systems is a low-cost WiFi microcontroller with integrated TCP/IP stack. Featuring a Tensilica L106 32-bit RISC core at 160MHz, 64KB IRAM, and 802.11 b/g/n WiFi, it revolutionized IoT by adding WiFi to any project for under $1. Packaged in QFN-32 (5x5mm).
主要规格
| 核心 | Tensilica L106 32-bit RISC |
| Max Frequency | 160MHz |
| ROM | 64KB (boot) |
| SRAM | 64KB IRAM + 96KB DRAM |
| WiFi | 802.11 b/g/n (2.4GHz), up to 72.2Mbps |
| GPIO | 17 (multiplexed) |
| ADC | 1 channel, 10-bit |
| Interfaces | SPI, I2C, UART, I2S, PWM |
| 电源电压 | 2.5V to 3.6V |
| 包装 | QFN-32 (5x5mm) |
| 工作温度 | -40 to +85 C |
特点
- Complete WiFi networking solution with TCP/IP stack
- Supports STA, AP, and STA+AP modes
- 160MHz 32-bit processor with 64KB IRAM
- 10-bit ADC for analog sensor reading
- Deep sleep current: 20uA
- Arduino and NodeMCU ecosystem support
应用
- IoT sensor nodes and smart home devices
- WiFi-enabled embedded systems
- Wireless data logging and telemetry
- Internet-connected actuators and controllers