The R501 capacitive fingerprint module uses a capacitive surface acquisition chip and integrates a fingerprint algorithm chip with fingerprint entry, image processing, feature extraction, template generation, template storage, fingerprint comparison (1:1) or fingerprint search (1:N). Features.
Products include: R501 fingerprint module, 6 core connection short line, iron piece, screw 2
In battery-powered applications, the touch-sensing power supply is DC3.3V-5V, and the current is about 5uA. It must be always powered. When there is a finger, it senses a low level, wakes up the microcontroller and powers up the fingerprint module, thus achieving power saving. .
Module indicator description:
When the fingerprint command is sent to the module, the blue light is on, and the acquisition command is continuously sent. The blue light is similar to long light.
Fingerprint entry succeeds or compares, blue light flashes
Fingerprint entry or comparison failed, the red light flashes.
R501 shell is zinc alloy, with MICRO USB external power interface, external power supply can be used to charge treasure
Shipping list as picture:
Voltage: DC 4.2–6.0V
Working current: 42mA (typical)
Peak current: 48mA
Fingerprint image entry time: <0.3 seconds
Acquisition window area: diameter 15.5 mm
Image pixel: 192*192 pixel
Image resolution: 508dpi
Comparison method (1:1)
Search method (1:N)
Storage capacity: 200 pieces
Security level: five levels (low to high: 1, 2, 3, 4, 5)
Fake rate (FAR): <0.0001%
Rejection rate (FRR): <1.0%
Search time: <0.3 seconds (1:1000 hours, mean)
Host computer interface: RS232 (TTL logic level, 3.3V)
Communication baud rate: (9600╳N)bps where N=1~6 (default value N=6, ie 57600bps)
Temperature: -20 ° C – + 45 ° C
Relative humidity: 10% RH-85% RH (no condensation)
Suitable for fingerprint locks, fingerprint safes, fingerprint access control, etc.
If it is installed on the metal cabinet door or the thickness is less than 14mm, you need to use the M3 adjustment screw to hold the iron plate.
The schematic is as follows:
Emergency power interface, can be connected to DC5V charging treasure, etc.
The interface line sequence is as follows:
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