When ever I run this Arduino UNO R2 + Ethernet Shield web server for more then a few minutes, I notice that both regulators become fairly hot. I also noticed that the regulator on the Arduino itself operates significantly hotter. The regulator on the Ethernet Shield levels out at around 106F (41C),…

Arduino Regulator: How hot is too hot?

Topic		Replies	Views
Voltage regulator overheating General Electronics	8	12160	May 6, 2021
Arduino Uno voltage regulator gets hot when driving relay Motors, Mechanics, Power and CNC	3	5547	May 6, 2021
Arduino Uno Voltage Regulator Temperature General Electronics	7	4683	May 6, 2021
Regulator getting (too) hot? Troubleshooting	13	5523	May 6, 2021
External power regulator getting really hot General Electronics	20	5410	May 6, 2021