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DoorAccess308

备注,308目前的灯管是PHILIPS Essential TL5 28W/865 YZ28RR16/G飞利浦高效率日光灯,一共8个

庭梁自己写的308的门禁,STM32+PN532+数字小键盘+指纹

物料清单

芯片准备用ST家的G4x4系列

STM32G474RE

评估板使用官方开发板

NUCLEO-G474RE

继电器

https://detail.tmall.com/item.htm?id=15909056050

普普通通的5V继电器模块带光耦隔离

PN532红板

PN532 NFC RFID module V3 kits

http://www.elechouse.com/elechouse/index.php?main_page=product_info&cPath=90_93&products_id=2242

Arduino库

https://github.com/Seeed-Studio/PN532

小键盘

普通4x4阵列薄膜键盘

https://detail.tmall.com/item.htm?id=543889432634

Pin1-4为列,5-8为行

指纹模块

指纹识别模块ATK-301

http://www.openedv.com/docs/modules/other/ATK-301.html

参考链接

STM32CubeMX系列教程1:GPIO

https://www.st.com/zh/evaluation-tools/nucleo-g474re.html

硬件连接

普普通通继电器的输出端NC和COM连接插座里面的线

输入端三根线:DC+接5V,DC-接0V,IN接GPIO,选择High跳线,高电平触发

GPIO用D5即PB4,方便使用3根公对公的杜邦线

普普通通4x4阵列薄膜键盘1-8引脚分别连接D6-D13对应的引脚

PB10 PA8 PA9 PC7 PB6 PA7 PA6 PA5

Pin1-4为列,5-8为行

PN532连接在USART1上,即PC4 PC5

拨码开关选择00,HSU mode,波特率设置为115200

供电使用5V,GND

ATK-301

供电一定要用3.3V

连接UART5,PD2为RX,PC12为TX

V_TOUCH 触摸唤醒电路 VCC 一直供电3.3V

VCC 模块供电3.3V

TOUCH_OUT省电设计,空着

代码

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