FINGER Unit is a fingerprint sensor based on the FPC1020A chipset.
This all-in-one fingerprint sensor makes fingerprint adding, verification and managing super simple.
Operated by the UART protocol, Compact size and ultra-low power consumption makes it very attractive to use around M5Stack series product. it performs fast fingerprint matching with highest security level and optimal user convenience. You can program to set the fingerprint recognition comparison level and different security level . if you ever consider secure your project with biometrics, don't forget to include this M5unit FINGER.
This unit communicate with M5Core by UART protocol connected via PORTC
|Security level||0-9, default 5|
|Output format||User name, image, feature value|
|Characteristic value size||193Byte|
|Communication method||UART (9600-115200)|
|Working temperature||-10 °C-60 °C|
|Relative humidity||20% -80%|
EasyLoader is a concise and fast program writer, which has a built-in case program related to the product. It can be burned to the main control by simple steps to perform a series of function verification.
FINGER UNIT use case: Press the left button to enter the fingerprint input mode. Press the middle button to enter the fingerprint identification mode.
The code below is incomplete(just for usage). To get the complete code, please click here
Identify fingerprint information
get state Read sensor status
get access Return access
get id Return ID
removeAll Remove all fingerprint information
remove id Remove fingerprint ID
add user id access Add ID and access rights
read user with id access The id and permission match do the following
getUnknown Unknown id and permission to perform the following operations