@gwachob I’m an EE by education. Who spent a lot more time soldering stuff together before college than during or after — stuff that more often than not failed in ways I could never have conceived of upfront. Software is the ivory tower, where 1s are 1s and 0s are 0s. The real world is where your caps are +100%/-50%, power supplies are stomping marching bands with strange hangovers, electrons migrate wire atoms, linearity has never been seen and may well not exist, …