This a parallel 4x20 Blue mode Super Twisted Nematic (STN) with built-in HD44780 equivalent controller. White LED backlight makes for white characters on blue background. It has 6 o’clock viewing.
The LCD requires 4 to 8 input lines for data and a data read/write I/O Line, a enable signal, and a instruction/data register select I/O line. This LCD is a much less expensive alternative to the serial LCDs, but requires more I/O.
This is a Scott Edwards 4x20 Serial LCD with Terminal Features, Big-character Mode. It offers a terminal-style serial interface with many advanced features.
These are 6" inch diameter Mecanum wheels with custom shafts, lock collars, and bearings.
This is a remote control Toro Recycler 22-inch lawnmower robot. This mower features 4WD, remote start and kill switches and optional bagger.