For those willing to take leap of faith: be careful about electronic element orientation aka polarity: on each element (where it makes difference) pin number 1

For those willing to take leap of faith: be careful about electronic element orientation aka polarity: on each element (where it makes difference) pin number 1 is marked in some way (a dot, cut corner, red wire, coloured band, ...), though rarely there is physical restraint preventing you from putting the clip the other way around. Doing this will fry the eeprom and/or rewriter (on this particular chip it switches power rails and this will cause excessive current flow), but most importantly, it might cause frustration worse than failed compilation for syntax error. Like missing semicolons, this will eventually happen to you. Just be prepared for it.