This article describes Atmel’s FingerChip technology for electronic fingerprint sensing that combines the advantages of small size, low cost, high accuracy, zero maintenance, low energy consumption and portability. This technology has application

iso7816_plain.c implements an interface between an RS-232 serial port and an ISO 7816 smart card, and is targeted for the Atmel AT90S2313 microcontroller in a development terminal. The source code is written entirely in C using the WinAVR tool suite.