circuits.io

Revolutionizing electronic design

Free circuit design tool and easy PCB manufacturing in your browser while building the largest open
hardware community on the web

Sign up so you can also import existing Eagle designs, easily order boards without messing with Gerbers and start fundraising campaigns. Or just buy a community designed board in our shop

circuit
pcb
Marked done
The revolution just started. Subscribe so we can keep you up to date if we roll out new features.

Circuits our staffers really like

Staff favorite
circuit
pcb

USB-Li-Ion charger

avatar
Tim Waegeman
Last updated 5 days ago
Staff favorite
circuit
pcb

tiny tx3

avatar
Nathan Chantrell
Last updated 29 days ago
Staff favorite
circuit
pcb

ATMEGA16 USB keyboard driver

avatar
a1k0n
Last updated about 1 month ago
Staff favorite
circuit
pcb

USB-RS232 Adapter

avatar
Tim Waegeman
Last updated 2 months ago
Staff favorite
circuit
pcb

IR-USB Receiver

avatar
Tim Waegeman
Last updated 2 months ago
Staff favorite
circuit
pcb

SOIC-28 to Dual Inline Adapter

avatar
Karel
Last updated 2 months ago

A short video demonstrating the circuits.io editor