OnlineSDK is not provided by the manufactures, hence we cant find anywhere. We can integrate the biometric machines with the remote server in only two ways: 1. With the help of SDK, develop a windows application, which will read the attendance data

指纹识别技术是基于生物识别的认证技术，由于每个人的指纹具有唯一性， 终身不变，因此指纹识别是代替传统身份识别手段的最安全、最可靠、最方便的 方法之一。而指纹的预处理的好坏是指纹识别能否正确识别的关键。(Fingerprint recognition technology is based on biometric authentication technology)

在linux平台下开发指纹传感器驱动.(Develop fingerprint sensor driver on Linux platform)