Unfortunately, diagrams of even simple circuits are often unnecessarily complex, making understanding brain connectivity maps difficult.

Fully elaborated circuit diagrams, done in the same style, of course. “ABC: Basic Connections” started out life as a compendium of frequently used sub-circuits in Arduino projects.

Neuroscientists want to understand how tangles of neurons produce complex behaviours, but even the simplest networks defy understanding.

A schematic of a simple circuit showing how different components are connected together, including a battery and a switch.

To draw circuit diagrams, we use simple symbols to represent the different components. To find out more about how to draw circuit diagrams take a look at this KS2 Circuit symbols article.