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PCF8575 I2C IO扩展模块
¥ 37.00
Unit price
/
Unavailable
21 Sold
PCF8575 I2C IO扩展模块 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
We aim to process orders within 0–5 business days (excluding weekends/holidays).
However Orders placed before 3 PM (GMT) are typically processed the same day.
Shipping Times:
- Royal Mail 2nd Class: 2–5 business days (Free).
- Express: 1–2 business days (£1.50).
- Standard: 2–14 business days (Free)
Tracking details are provided upon shipment.
You can track your order here.
PCF8575 I2C IO扩展模块
¥ 37.00
Unit price
/
Unavailable
Description
Description
PCF8575 模块是一款使用 I2C 接口增加可用 I/O 引脚的扩展板，可提供 16 位准双向输入/输出引脚。它非常适合 Arduino 和基于微控制器的项目。
主要特征：
- I2C 接口：轻松与微控制器集成。
- 3.3V电平转换器：支持3.3V并可配置为VCC。
- 工作电压：2.5V 至 5.5V 直流。
- 工作电流：最大100mA。
- 可配置 I2C 地址：默认0x20，可通过A1和A2焊盘调整。
- 16 个可寻址引脚：可独立配置为输入或输出。
- 中断输出：用于输入变化检测的开漏中断引脚。
- 多种应用：非常适合控制继电器、蜂鸣器、按钮、LED 等。
应用：
非常适合扩展项目中的 I/O 功能，增强 Arduino UNO R3 等微控制器的功能。
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