Mega 2560 + RFID + Ehternet stop working

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hello have mega 2560 rfid , ethernet shield w5100.
the mega 1 allarm system , when start siren system send 1 http request ifttt.com.

some time ethernet shield stop working , have not response ping command.

i try change ethernet shied new, problem same.

can me? thanks

most ethernet shields need specific pins.
make sure no interfering communications.

also post sketch using please use code tags ( </> ) forum can chew code without them.


Arduino Forum > Using Arduino > Installation & Troubleshooting > Mega 2560 + RFID + Ehternet stop working


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