Decoder Lab
A full decoder build, end to end.
A decoder takes n inputs and switches on exactly one of its 2ⁿ outputs. Decoder Lab walks a complete decoder build from start to finish: wire the decoder on the canvas, verify it behaves, then walk away with a materials list and a breadboard plan — before you've touched a single jumper wire.
Wire it, verify it, then build it.
Wire it
Build the decoder on the canvas: inputs, their complements, and one gate per output.
Verify it
Check the wiring against what a decoder must do — every input combination selects exactly one output — and catch mistakes on screen.
Get the materials list
The parts your verified design needs, counted for you, so the trip to the stockroom happens once.
Follow the breadboard plan
Where each chip sits and how the wires run, laid out before you build.
Know the parts and the layout first.
For the 2-to-4 example above, this is the kind of plan you take to the lab bench. Your own lab sheet sets the final part list.
Start building free.
5 gates of your own on the canvas.
The built-in reference design doesn’t count toward it.