Software serial resetting atmega328p

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I don’t see in the sketch where watchdog is setup for interrupt mode. If it’s in the fuse, the interrupt is disabled and the reset is enabled,

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@spaceuino, why have you deleted your posts without any explanation? It is considered very bad manners.

If you have found a solution for your problem then the proper behaviour is to share your solution so that others can benefit from your learning.

...R