Quick and Dirty RFID Door Locks Clean up Nice

2014年7月19日 | By News | Filed in: News.

http://ift.tt/1nFDh4q

homemade RFID Door Locks

[Shawn] recently overhauled his access control by fitting the doors with some RFID readers. Though the building already had electronic switches in place, unlocking the doors required mashing an aging keypad or pestering someone in an adjacent office to press a button to unlock them for you. [Shawn] tapped into that system by running some wires up into the attic and connecting them to one of two control boxes, each with an ATMega328 inside. Everything functions as you would expect: presenting the right RFID card to the wall-mounted reader sends a signal to the microcontroller, which clicks an accompanying relay … Read the rest


Tags: ,

发表评论

电子邮件地址不会被公开。 必填项已用*标注