Decoupling caps - one for each IC and one for LCD, 5V are good with multimeter - haven't yet seen on oscilloscope. Have other idea about DS1307 - didn't yet checked but there could be issue with 12 hour clock.
Decoupling caps - one for each IC and one for LCD, 5V are good with multimeter - haven't yet seen on oscilloscope. Have other idea about DS1307 - didn't yet checked but there could be issue with 12 hour clock.