Mega M328 328 Atmel.
Those little useful component testers
- what is this 3 legged thing... it will tell you..
That red one was the first one I ever got; mine was preassembled tho. Postmortem revealed the 3.3V reg was dead short and the Atmega328 took it personally. Shocking. That's when I got the Yiwangia unit you guys may have seen on my bench; it came built into a recycled caller ID shell. That one runs on a recycled puffy LiPo from my Delta wing.

https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2060353.m570.l1313&_nkw=ESR02&_sacat=0
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2334524.m570.l1313&_nkw=DTU-1701&_sacat=0&LH_TitleDesc=0&_osacat=0&_odkw=DTU1701Since then, I've upgraded... got one of these BSIDE ESR202 Pro units for CAD$27 WITH the tweezers; vendor had the black one on sale, and the red one $10 less for some reason.

Only took 3 weeks from China.

I highly recommend it; the ZIF socket pinout on the 328 Component Tester is a wee bit confusing; the slots on this one are much more straightforward. Also, it reliably tests LEDs and generally gives more consistent results than older firmwares.
But the big thing for me is the SMD test panel being all up high and easy to get to; that is just... the shit. Nothing else makes testing tiny chip parts as ... well, not easy. I'm too old and too bad eyesight for it to ever be easy again.

But at least it's not like volunteering to get kicked in the junk over and over again, like most handwork with SMDs is.

I can reliably get valid results even with 0602 and SOT-23 parts using this thing.
EDIT: I forgot... this thing is also available one eBay & Aliex as the DTU-1701, often for a few dollars cheaper. Usually can still be found ~US$25-27 net if you shop carefully. Look for V3.1 or newer.
mnem
