We know it cost more than 5 cents, but it is in fact a tilt sensor that utilizes a 5 cent coin. We’ve all done quick hacks to make quick sensors for various projects. We’ve seen tons of them ...

It is hard to come across this 5-cent coin struck in 2016, with some collectors buying rolls in the hope of finding one. (Source: TikTok/The Purple Penny) A die clash from the echidna on the reverse ...