The Best Digital Logic Simulators in 2026
TL;DR: There is no universal winner. Choose DigiSim for an integrated gates-to-CPU curriculum with narrated lessons; CircuitVerse for a free, open-source browser platform with strong group...
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Digital logic
A collection of 7 posts
Build a CPU from Scratch in a Simulator
TL;DR: This guide defines one complete teaching architecture before drawing wires: an 8-bit data path and address space, byte-wide unified RAM, 16-bit instructions fetched as two...
DigiSim vs CircuitVerse: Which to Pick
TL;DR: Choose by workflow. DigiSim is the stronger candidate when a narrated, multilingual gates-to-CPU curriculum is the central requirement. CircuitVerse is the stronger candidate when an MIT...
DigiSim vs Logisim Evolution: An Honest Comparison
TL;DR: DigiSim is the stronger candidate when a course needs zero-install browser access, narrated lessons, seven-language content, or ready-made CPU teaching blocks. Logisim Evolution is the...
Free Online Circuit Simulators Compared (2026)
TL;DR: Start with the subject, not the price tag. CircuitVerse is the strongest candidate for a free, open-source digital-logic classroom; DigiSim's free tier combines a 16-component...
Mealy vs Moore State Machines: With Examples
TL;DR: A Moore machine's output is a function of current state; a Mealy machine's output is a function of current state and current input. Mealy modeling can respond within...
Two's Complement: Signed Binary Arithmetic Explained
TL;DR: Two's complement is the dominant encoding for fixed-width signed integers. The most significant bit has weight and the lower bits keep their positive weights. It has one...