The Arduino PLC - Ladder Simulator supports:Ladder Logic simulator,Real-time execution,Simulated Inputs and Outputs,PLC Timers,PLC Counters,Internal PLC Flags,Bluetooth connection with Arduino ***,Arduino Programming with Ladder ***,Arduino control with Bluetooth ***,*** To use these features, you must purchase to Arduino loaded with "ArduinoLadder.ino"For information: pmozen@gmail.com