Square up reads magnetic stripe cards through headphone jack on both Android and iOS. I want to capture fingerprints on an Android phone. Can I develop a hardware to capture fingerprints in the same way using a fingerprint scanner (UART/Serial)?
I want to develop such hardware (like square) which can be used to capture fingerprints through the headphone jack. If it possible?
The fingerprint scanners are available with UART communication protocol. So is there a way to send the fingerprint image through the headphone jack by developing such connector?
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