The Access Control System (Formerly used for only door control) door controller consists of Raspberry Pi 4B+ running Raspbian and configured with https://github.com/tcmaker/access_control/blob/master/doc/installation-instructions.md
Open Access Control v 4.0 http://www.accxproducts.com/wiki/index.php?title=Open_Access_4.0
The access control systems are located in the Lathe Room behind a panel.
Source code for the door controller and documentation can be found here on our GitHub page https://github.com/tcmaker/access_control
12 Volt relay in the basement
125Khz Keys provided to members listed in Common Consumables