PROTOSchem puts a full-featured wiring diagram editor in your pocket — built for engineers, technicians, students, and contractors working on real electrical projects.
PROTOSchem is designed for professionals and learners working with real-world electrical systems — on-site and off.
From simple residential wiring to complex industrial control panels — PROTOSchem has the tools to get it done, on-site or in the office.
An extensive library covering industrial, commercial, and residential symbols — every project has the building blocks it needs.
Export finished diagrams in the format your project requires — whether for documentation, technical submission, or client review.
Free to install. Start drawing professional wiring diagrams on your Android device today.