Difference between revisions of "Capacitive Fingerprint Reader"

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|img=[[File:capacitive-fingerprint-reader-1.jpg|300px|alt=UART-Fingerprint-Reader|link=https://www.waveshare.com/capacitive-fingerprint-reader.htm | UART Fingerprint Reader]]
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|img=[[File:capacitive-fingerprint-reader-1.jpg|300px|alt=UART-Fingerprint-Reader|{{Amazon_nolink|default={{#ifeq: {{#urlget:amazon|0}}|{{#urlget:Amazon|0}}| default|}}|url=link=https://www.waveshare.com/capacitive-fingerprint-reader.htm}} | UART Fingerprint Reader]]
 
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|caption=Capacitive Fingerprint Reader, onboard processor STM32F105R8, commercial fingerprinting algorithm, optical sensor
 
|caption=Capacitive Fingerprint Reader, onboard processor STM32F105R8, commercial fingerprinting algorithm, optical sensor
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==FAQ==
 
==FAQ==
 
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{{FAQ|What signal does the WAKE pin output?
==Support==
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|The WAKE pin is a wake-up pin, which only works when the RST pin is low and the module goes into sleep mode. The fingerprint metal shell outputs a high level after detecting the finger and returns to a low level when the finger is released.
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}}
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{{FAQ|How to realize the wake-up function of the finger sensor?
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|After the finger presses the fingerprint module, the level of the WAKE pin will change. The MCU recognizes this level and sends relevant commands to control the fingerprint module.
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}}
 
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Latest revision as of 10:00, 13 July 2022

Capacitive Fingerprint Reader
UART-Fingerprint-Reader

Capacitive Fingerprint Reader, onboard processor STM32F105R8, commercial fingerprinting algorithm, optical sensor
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Introduction

UART Fingerprint Reader, onboard processor STM32F105R8, commercial fingerprinting algorithm, optical sensor

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Resources

FAQ

 Answer:
The WAKE pin is a wake-up pin, which only works when the RST pin is low and the module goes into sleep mode. The fingerprint metal shell outputs a high level after detecting the finger and returns to a low level when the finger is released.
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 Answer:
After the finger presses the fingerprint module, the level of the WAKE pin will change. The MCU recognizes this level and sends relevant commands to control the fingerprint module.
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