QMseller DC 3V Active Buzzer 2 Terminals for Arduino Raspberry Pi,Magnetic Electronic Continous Long Beep Tone Alarm Sounder Pack of 10

bnafes DC 3V Active Buzzer 2 Terminals for Arduino Raspberry Pi,Magnetic Electronic Continous Long Beep Tone Alarm Sounder Pack of 10

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

VWEICYY 9V Battery Connector,10 PCS T-Type 9 Volt Buckle Connector Hard Plastic Shell Used in Student Experiment,or Other Equipment with Battery(T-Type, 10PCS)