Reference for a very cheap (3.99 € with free shipping) LCD keypad shield for Arduino bought from banggood (SKU: SKU083549). Here goes the source code (adapted from this source, slightly improved with custom functions to switch light when pushing the Select button): //Sample using LiquidCrystal library #include <LiquidCrystal.h> /******************************************************* This program will test the LCD…

The screen utility is a free terminal multiplexer for Linux (source): Screen is a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells. Each virtual terminal provides the functions of the DEC VT100 terminal and, in addition, several control functions from the ANSI X3.64 (ISO 6429)…