> If you're trying to go around corners as fast as possible in a front-wheel drive car you're going to drive with one foot on the brake and one foot on the gas

> If you're trying to go around corners as fast as possible in a front-wheel drive car you're going to drive with one foot on the brake and one foot on the gas and will apply the brakes and the gas at the same time. No you won't. > As an Arduino enthusiast I see statically allocated (global?) variables are frequently the way to go for an embedded system, the frontier is to be able to prove the correctness of what you're doing. When you have 2kB of RAM to play with you haven't got a lot of stack or heap to sling function parameters around on, so it's Through The Looking Glass and you do it all backwards - everything goes in a global unless you have a really really good reason for having local scope (loop counters would be a good example).