This repository is a python port of the Arduino LiquidCrystal_I2C library. With this library you can connect your I2C lcd to your linux box (using available GPIOs, but also via the I2C pins of your ...

1. Arduino 和 LCD1602 I2C 不显示：先别急着换屏，按这条链路走一遍 LCD1602 配 I2C 转接板是 Arduino 入门最经典的组合之一，接线只有四根，库也就一个 LiquidCrystal_I2C，但真正上手时最常见的现象是：上传成功、背光亮着、屏幕却什么都不显示，或者只显示一排方块。