Open Access 4.0

The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

Open Access Control v 4.0

This page contains documentation, installation tips and downloads for the all-new Open Access version 4. Open Access is a first-of-its-kind offering that brings enterprise security to the hobbyist, hacker and developer. The system is open-source and not encumbered by licensing, NDAs and other problems found with commercial hardware.

System Features

The Open Access Standand version 4 has an Arduino-compatible Atmega 328P on-board and support for powering and interfacing with the Raspberry Pi via it’s 26-pin header. Features include:

Atmega328P with support for 200 local users in eeprom. Arduino compatible w/USB and ICSP programming.
(2) Wiegand RFID reader ports with fused power, LED, and buzzer support
(4) Supervised alarm zones
(1) Unsupervised tamper zone
(4) 5A relay outputs
(2) 12V auxiliary power ports
Selectable USB output or direct-attach 3.3V UART to the Raspberry Pi
Real-time clock with battery backup (DS1307)
Serial i2c EEPROM (Atmel AT24)
Expansion header for CD or more inputs/outputs