This is a vb class module that communicates with s7200PLC free, can be directly used for my own work. It uses the means of communication is free port communication technology of siemens PLC. Good performance in engineering development and hope for their valuable comments.... CommunicationVB
Device based on ATMEL ATMEGA32 microcontroller, connect LCD display siemens S65 (all modification) or display C75 (select in code). Real clock chip - HT1380.
The device is intended to set the voltage level depending on the user-defined time frame in the device menu.... OtherASM