Geek Builds Electronic Counter to Count to a Googol (1 Followed by a Hundred 0’s)

Think a billion is a big number? Well by most comparisons it certainly is, but a googol (10¹⁰⁰) is so astronomically large that it contains 10⁹¹ number of billions. But did its ridiculously large size stop YouTuber Look Mum No Computer (aka Sam Battle) from building an electronic counter to try to count to it?