Primera edición en Cuba del curso Chocolate: Identidad
You can add an SD card to expand the capacity up to 32GB card to hold 10,000 songs, though I can't image
anyone who would have that many visitors to get through a playlist
like that. 35K resistor across these pin-outs shunts the IC to the above gain. Some of these systems use
remote cell phone door answering, which allows the user to unlock a door
remotely using their cell phone as a trigger.