New YwRobot MB102 power module overheats

OK, same AMS1117 5.0 at Shenzhen market could cost 0.05 USD or 0.15 USD at qty, go figure yourself why. I did not say anything.

if I were you, buy one LM1117 5.0 from digikey for 1.10 USD, then replace the AMS1117 5.0 and move on.