Blender Made Easy looks into animating a typing effect with Animation Nodes in Blender.
A new tutorial from the Blender Made Easy channel discusses how you can create a typing animation in Blender, using Animation Nodes. The procedural node-based animation system is a great way to create motion graphics effects right in Blender.
Animation Nodes Typing.
The tutorial shows using text output object, trim node, time info, and delay to create a typewriter effect animation.