This project we have made a Talking / Voice Notification and Warning System. At least two sensors can be used in this project. In this project, PIR sensor (The PIR Motion sensor module is an automatic control module based on infrared technology) and IR sensor (IR Infrared Obstacle Avoidance Sensor Module has a pair of infrared transmitting and receiving tubes). The DFPlayer Mini module was used to play audio files. (The DFPlayer Mini MP3 Player For Arduino is a small and low price MP3 module with an simplified output directly to the speaker) We used one 9V battery for power consumption and one mini speaker for audio files. We chose DIP components for the PCB, so it became an easily solderable board. Of course, this project includes one Atmega328P microcontroller and the minimum required component.
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Get the PCB - Schematic - Gerber files :
https://www.pcbway.com/project/shareproject/Make_the_Talking___Voice_Notification_Warning_System.html
DFPlayer Mini MP3 - https://bit.ly/2BVgNAU
HC-SR505 Mini PIR - https://bit.ly/2PfD674
ATmega328P-PU IC - https://bit.ly/30CJFII
L7805 TO220 - https://bit.ly/37ptKi4
Mini Speaker - https://bit.ly/2YwSJMe
Micro SD Card 8GB - https://bit.ly/3hmXq45
9V Battery Connector - https://bit.ly/2AZ6BqO
Ceramic Capacitor - https://bit.ly/30zXuaz
Electrolytic Capacitor - https://bit.ly/30BaNYr
DIP IC Sockets - https://bit.ly/30ASdj7
Type B USB Socket - https://bit.ly/2zwCYwE
12MHz Crystal - https://bit.ly/30NFWIr
16MHz Crystal - https://bit.ly/2AmnaNv
Resistor - https://bit.ly/2MUegJC
Switch - https://bit.ly/2B4ADcs
LED - https://bit.ly/2UFqnhR
Banggood Summer Prime Sale - https://bit.ly/3iMJX67
Banggood Summer Prime Brand Sale - https://bit.ly/3eaJl6P
RD6006 Power Supply - https://bit.ly/2ZV6vcv (Coupon:BG6006)
RD6012 Voltage Converter - https://bit.ly/3ehA7pn (Coupon: BG6012)