no wire ibutton and smart cards

Products Description TMR-C-2PIN Dallas DS9092 No Wire iButton Probe Reader for Door Access Control The iButton Probe provides the electrical contact necessary for the transfer of data to and from the DS19xx family of iButtons. The round probe shape ...

...Smart Card ibutton for access control / Timepilot Tracking The TM1990A is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a ground return. Every TM1990A guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless-steel iButton