Medical Timer for drugs.
Originally, did PC upgrades, later, scratch wrote, in Turbo BASIC, PC based point of sale terminals for retail, installed and supported these systems throughout the area. Installed video security systems for C-stores and Wal*Marts. Developed Quick BASIC PID DDC HMI software to show real-time operation of valves, pumps, motors, etc. used in polymer mixing and feeding used to treat sludge at municipal water treatment plants throughout the U.S.