Digiwleea
Build a working CPU from transistors, in your browser
Digiwleea launched on July 11, 2026 with 3 votes, #8,766 of 24,623 launches that month and more than 50% of that year's launches.
What it does
A free, browser-based switch-level logic lab and course. Start from one transistor and build up to a working 8-bit CPU, every circuit really simulated. Tinker in the sandbox, take the auto-checked course, or play the interactive explainers (how gates, binary, memory, and CPUs work). Optional AI tutor builds circuits with you. Free to start.
A free, browser-based digital logic simulator and course: build from a single transistor up to a working 8-bit CPU, with an AI tutor to guide you.
digiwleea is a switch-level logic lab and a from-the-ground-up course. Start with a single transistor, build it into gates, then adders, memory, and a working 8-bit CPU, with an AI tutor alongside you. Pick where to begin. Open the free sandbox. Drag transistors and gates, wire them up, flip a switch and watch the logic light up. No account needed. Learn by building. 40+ hands-on levels carry you from a single transistor to a working CPU, then you write programs for it, checked step by step. The concepts, answer-first: gates, Boolean algebra, adders, memory, and CPUs, each with a playable diagram you can open in the lab. Six quick, hands-on walkthroughs, from one transistor up to a running…from digiwleea.wleeaf.dev
Does a similar job
all alternatives →- IMI made an Ethernet transceiver from logic gates2022 · imihajlov.tk · ▲460
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I made a game where you build a CPU from logic gatesJul 2026 · select.supply · ▲102I built ChipBuilder to make computer architecture more approachable through interactive puzzles. You start with basic logic gates like AND, OR, and NOT, then gradually combine them into adders, multiplexers, memory, an ALU, and eventually a complete CPU. Once you've built the hardware, you can write assembly programs that run on the processor you created. The game is inspired by courses like Nand2Tetris, but everything runs directly in the browser with a visual circuit editor, simulations, and progressively harder challenges.
Online challenge: Build a CPU from scratch2018 · nandgame.com · ▲143An educational puzzle game. Solve a series of tasks where you build increasingly powerful components. Starts with the simplest logical components and ends up with a programmable computer.
8-bit CPU simulator in C2020 · github.com · ▲67A digital logic simulation written in C. Contribute to rzscheck/logic development by creating an account on GitHub.
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