Passive Buzzer 5v
Pay attention, this is a buzzer, not an active one, so if you connect a voltage of five volts to it, it will not make a sound, and in order for it to make a sound, a frequency must be issued to it, and not a constant voltage
It works like a mini stethoscope
If you want to connect 5 volts, it will make a sound, you must use
USB RFID Card Reader compatible with raspberry pi and windows
Raspberry Pi Camera Module
3.5 inch touch LCD for Raspberry Pi
SD card 16 Gb for Raspberry Class 10 













