The many similarities between the ladder diagrams used to program PLCs and the relay ladder logic When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity ...

Class and sequence diagrams work together to allow precise modeling Your email has been sent UML is used as a representation of the Java programming language. Using sample class and sequence ...

it’s great for a quick-and-dirty circuit diagrams. Not exactly schematics, but [Duckman] has some Arduino pinout diagrams he made using ASCII-art. These could be useful when pasted into source ...

The industry-standard program lets you display complex diagrams quickly and easily. It also lets you edit your diagrams if they ever need to be changed. However, the program is expensive ...