solved] lcd i2c backlight - Displays - Arduino Forum
In-Depth: Interfacing an I2C LCD with Arduino
Dimming 16×2 and 20×4 LCD displays – Garry's blog
Youmile IIC/I2C/TWI Serial 2004 20x4 LCD Module Shield Display Blue Backlight for Arduino UNO : Amazon.it: Altro
Dimming 16×2 and 20×4 LCD displays – Garry's blog
arduino uno - How to limit backlight LED current in 16x2 LCD - Arduino Stack Exchange
Amazon.com: GeeekPi 2-Pack I2C 1602 LCD Display Module 16X2 Character Serial Blue Backlight LCD Module for Raspberry Pi Arduino STM32 DIY Maker Project Nanopi BPI Tinker Board Electrical IoT Internet of Things :