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Topic: Arduino and RS232 getting very hot with external power supply (Read 813 times) previous topic - next topic


I currently have the Redpark iOS Breakout Pack connected to my Arduino, when I run it through the USB it doesn't get hot however when I use a 7.5V 1.2A rated DC power supply both my Arduino and the RS232 TTL to Serial get incredibly hot (within under a minute), is this cause for concern or just normal?

Runaway Pancake

"Who is like unto the beast? who is able to make war with him?"
When all else fails, check your wiring!


Concern. Sounds like power is reversed from the Adapter.
Designing & building electrical circuits for over 25 years.  Screw Shield for Mega/Due/Uno,  Bobuino with ATMega1284P, & other '328P & '1284P creations & offerings at  my website.

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