QElectroTech is an open source tool for drawing these types of diagrams. It consists of two tools: an element editor for creating schematic symbols and a diagram editor for creating your drawings.

When drawing circuit diagrams, rather than drawing detailed components, we use simple symbols to represent the different components.

The author writes, “The most comprehensive circuit diagram of neurons in a mammalian brain has been created by scientists, providing groundbreaking insights into the mystery of how the brain works.