Authentic iButtons, plus iButton Probes, Access Control, RFID Readers and other parts
Just $7.90 shipping in U.S., no matter how many items you buy!

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 iButton probes and receptors with and without LEDs, all of which are operated by iButtons.

Access Controls

Use your iButtons as "keys" to secure important spaces. Two different models are available. Also available: iButton Readers with USB interfaces!

iButton Readers

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