sequencer

Car Wash PLC Exercise: Full Ladder Logic

A step-by-step PLC ladder logic exercise for an automated car wash: inputs, outputs, sequence states, interlocks, and the timing tricks you need to get it right.

Jul 15, 2026 · 6 min read

Traffic Light PLC Exercise: Full Ladder Logic

A traffic light PLC exercise is the perfect timer and sequencer workout. Build the full four-phase cycle in ladder logic, then add a pedestrian call button.

Jul 3, 2026 · 6 min read

PLC Elevator Logic Exercise: Step-by-Step

A complete PLC elevator logic exercise covering floor call latching, direction interlocks, door timers and a state-based sequencer. Real runnable ladder included.

Jul 3, 2026 · 7 min read

PLC Bottle Filling Machine: Step-by-Step Project

A hands-on PLC bottle filling machine project covering I/O design, sequence logic, fill-by-time control, and a real ladder rung you can adapt today.

Jul 3, 2026 · 8 min read