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
Raspberry Pi 4 Board- 2Gb Ram
Prototyping Expansion Shield Module for Raspberry Pi 











