Matthius 
Logic, a digital circuit simulator written in Lazarus / Free Pascal.
You place switches, sensors, logic gates, counters, memories, lamps and displays on a panel,
connect them with wires and run the simulation.
(https://raw.githubusercontent.com/willem750-win/Logical/main/docs/screenshot.png)
Features
- Inputs: push button, switch, DIP switch (0–15), pulse generator, light and heat sensor
- Processing: AND, OR and NOT gates, counter block, memory block
- Outputs: lamp, relay, buzzer, 7-segment display (shows 0–F on counter/memory outputs)
- Grid, rulers, guides, frame and title on the panel; multi-select and move with wires
- Ready-made exercise panels
- User interface and help in Dutch, English, French and German
- Runs on Windows and Linux (GTK2)
French
Simulateur de circuits
