// Scans the I2C bus and prints any found device addresses (in hex) to the Serial console. // Buy this module: https://shillehtek.com/products/pcf8574-i2c-serial ...

LCD1602是在我们开发和学习中经常用的模块，它给我们非常直观的感受，既可以用来调试，又可以用来交互。是一个非常实用的一个工具。 也叫1602字符型液晶，它是一种专门用来显示字母、数字、符号等的点阵型液晶模块。它由若干个5X7或者5X11等点阵字符位组成 ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...