Hi, Im made a project :arduino mega and encj28j60 and when connects to blynk it gives me heartbeat timeout error of DHCP failed or Login failed. Now I am testing it with arduino example and it is still giving me the same error. Can someone tell me what to do? Thanks
Sounds like you have internal network connection issues.
http://docs.blynk.cc/#troubleshooting
Test it with basic Arduino sketch to confirm Mega <-> enc28j60 hardware and network connections are good.
http://www.geeetech.com/wiki/index.php/Arduino_ENC28J60_Ethernet_Module