Show pageOld revisionsBacklinksAdd to bookExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. A.L.V.IN (Alvin Lets Visitors IN) is a revised branch of the alfred board, designed for internal doors. Features: - 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](Category:Hackspace_projects "wikilink") old/hackspace/door-system/alfred/alvin.txt Last modified: 2022/11/30 16:34by 127.0.0.1
127.0.0.1