avrdude: Yikes! Invalid device signature. Double check connections and try again, or use -F to override this check.
What controller are you trying to program? Is it Atmega 328P?
Something wrong with wiring, check it twice. Also ISP sketch can be corrupted then reload it.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16