What do you want to be a STM32 based intelligent entrance guard, to have a credit card, the function of the unlock password to unlock and fingerprint, also have the function of memory card inside information, and for advice, what should I do

CodePudding user response:

The intelligent entrance guard about credit card, the password to unlock the unlock function and fingerprint can respectively, and then together,

CodePudding user response:

All the drivers were written all over it, it should be of fingerprint identification instrument and electromagnetic charge has driven reference, if just write function, it is not hard to, Taiwan before and after, the foreground main loop feed the dog, refresh data storage. The background interrupt communications and timing control, the core is how fast communication and information storage, is not difficult,