ok,
i got rid of my short circuit I have again 5v on the output of ic1, but my atmega is still not dismal and ic3 is abnormally hot and I have the bf again, but no mixing so no reception I have 5v on l5, l6 which have been replaced by 47¦Ìh (controlled) I do not have a shotkky diode to do the manipulation of qcx changes, if you have an idea, good evening jo?l f6cht .
