Authentic iButtons, plus iButton Probes, Access Control, RFID Readers and other parts

Real iButtons, Parts and Accessories for Less


DS1990A iButtons pre-installed in keyfobs (also known as keytabs), ready to use. Also available: more iButton and keyfob models and custom printing.

iButton Probes & Accessories

Building your own iButton device? We have a variety of probes and receptors with and without LEDs, all of which are operated by iButtons.

iButton Access Control

Use iButtons as "keys" to secure important spaces. 2 different models are available.

RFID iButton Readers

We offer 14 models of Demiurg RFID readers, some with 1-Wire outputs, some with RS-232 outputs; some with LEDs and some without.