Free · in your browser · no install
Latchwork is an electronics studio for the browser: a digital logic workbench with VHDL and a 3D FPGA board, and an AC/DC circuit lab with a live SPICE-style simulator, streaming current and a built-in scope.
Start from the dashboard, pick a schematic type, and switch between worlds whenever you like.
Workbench 01
From a single AND gate to a working CPU datapath — build, probe, and package digital circuits that run live as you wire them.
Workbench 02
A classic SPICE-style schematic editor with a live transient simulator — watch current flow the moment you close the switch.
No “run” button. Both workbenches simulate continuously while you edit — flip a switch, drag a wire, and the circuit reacts instantly.
The same grid-snapped canvas everywhere: drag parts from the palette, click pins to wire, split wires anywhere, rotate with R, copy & paste whole sections.
A synthesizable VHDL subset compiles as you type — processes, state machines, generics, buses — and every entity becomes a placeable chip.
Load your VHDL onto a 3D development board: flip its switches, press its buttons, and read the seven-segment displays in real time.
Auto-generated truth tables, minimized state-machine diagrams, timing waveforms, test vectors — and an oscilloscope on the analog side.
Everything saves locally without an account. Sign in to sync chips across devices and publish designs to the community library.
Pick parts from the palette and wire pin to pin on a grid that keeps every schematic tidy.
Signals light up, current streams, meters move, scopes sweep — while you are still editing.
Package logic into chips, file schematics into projects, and pick everything up from your dashboard.
Everything runs and saves locally — an account is only needed to sync and share.
Open the dashboard