Adds a circuit board intermediate crafted from 2 stone bricks and 1 wood. If AAI Industry is installed this will replace the electronic circuit stone tablet intermediate and wooden alternate. Recommended to be used with an early wood automation or greenhouse mod. Early Agriculture works well if you have Space Age.

Sprite comes from snouz's free graphics for modders (https://github.com/snouz/factorio_free_graphics_for_modders).