[M0TGN] wanted a device to generate practice code, so he built it around an Arduino. The device acts like an old commercial model, the Datong D70 , although it can optionally accept an LCD screen ...

For this experiment it is necessary to download and install the “Arduino I2C LCD” library. ... (millis()); delay(1000); // Blinks of backlight lcd.setBacklight(LOW ... the example sketch has been ...

More details on the use and features of this library can be found on the Arduino playground site. The first part of the sketch source don’t need great comments: #include <AlphaLCD.h> #include ...

Seven-segment displays and monochrome LCDs are fine for most projects, but some things simply look better in color. [John] over at the Little Bird Electronics blog recently wrote up a tutorial demo… ...