A.L.V.IN (Alvin Lets Visitors IN) is a revised branch of the alfred board, designed for internal doors.


  • raspberry pi shield
  • atmega328
  • battery backup
  • power a maglock or similar
  • weigand rfid reader
  • button for doorbell
  • button for opening door internally
  • detection of open / closed status of door

Category:Hackspace projects

Last update: August 22, 2020