20PCS 15mm Piezo Ceramic Elements Buzzer Dia 15mm Sounder Sensor Trigger Drum Disc with Wire Copper for Buzzer Free Shipping

5pcs/lot New Ultra-thin speaker Doorbell horn Toy-car horn 32 ohms 0.25 watt 0.25W 32R speaker Diameter 27MM 2.7CM thickness 9MM

10PCS SFM-20B DC3-24V Durable 3-24V Piezo Electronic Buzzer Alarm 95DB Continuous Sound Beeper For Arduino Car Van

2pcs/lot New Ultra-thin speaker 16 ohms 1 watt 1W 16R speaker Diameter 32MM 3.2CM thickness 5MM

5/10PCS Piezoelectric Piezo Ceramic Wafer Plate piezo element Diameter 12MM 15MM 18MM 20MM 27MM 35MM 50MM For Buzzer Loudspeaker

0.5W 1W 2W 8R 16R 32R Mini Speaker 8 Ohm 32 Ohm Loud Speaker Diameter 20mm 23mm 26mm 28mm 30mm 32mm 36mm 40mm 45mm Loudspeaker

2pcs/lot New Ultra-thin Toy-car horn 8 ohms 0.25 watt 0.25W 8R speaker Diameter 27MM 2.7CM With Wire

2pcs New Original Ultra-thin Mini speaker 16 ohms 8 ohms 0.5/1/2 watt 0.5W 1W 2W 3W 8R Diameter 50MM 57MM 66MM 77MM LoudSpeaker

10Pcs/LOT HF3FD-012-ZTF HF3FD 012-ZTF 12VDC 10A DIP-5

SN74LS21N SN74LS113N SN74LS121N SN74LS122N SN74LS132N SN74LS136N SN74LS164N New Original Authentic Logic DIP-14

2pcs/lot New Ultra-thin speaker Phone horn Toy-car horn 8 ohms 0.25 watt 0.25W 8R speaker Diameter 40MM 4CM thickness 4.5MM

10 Pcs Piezoelectric Piezo Ceramic Wafer Plate Dia 27mm For Buzzer Loudspeaker