8x51 Based iButton Controller (assembly language)
The firmware for a custom designed DS1990 iButton room access door controller.
- P0.0 iButton data
- P1.1 Relay connection
Ian Wraith (14th February 2017)
8x51 Based iButton Controller Firmware
The firmware for a custom designed DS1990 iButton room access door controller.
Ian Wraith (14th February 2017)