1. This timer circuit schematic is one example of a design in Upverter that allows multiple collaborators on the same design.

Here is a list of some best free Electronic Design Automation software (EDA) software for Windows to plan, implement, simulate, and verify electronic systems.

If the output is incorrect, you may have to design the circuit again and start from scratch. For mass-scale production of the electronic circuit, testing is a vital stage.

Designing electronics isn't just about playing around with soldering irons. You need to prepare a little. To do that, we're fans of Circuits.io, a design tool that let's you plan out your projects.

Linear Technology, Texas Instruments, Analog Devices, and Intersil all offer downloadable spice or spice-like tools for circuit design. Don Tuite compares them.