When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming.Their ability to accept programming in ladder ...

These free PLC Simulation software for Engineering Students let you practice without connecting your PC with a PLC hardware.

Others are more elusive, like XOR and NAND. For those just getting their start in digital logic, this teaching tool allows different logic gates to be wired together with patch cables.

Binary logic gates, which turn 1's and 0's of input into 1's and 0's of output, form the central processing units in digital computers. Almost any complex calculation can be parsed into a series ...