Xiaoyztan 10Pcs 1W 8Ohm Round Internal Magnet Mini Loudspeaker MP3 MP4 Player Speaker

(Pack of 50 Pieces) MCIGICM Ne555 Timer IC Chip Kit Pulse Generator

Uxcell a15080600ux0275 Metal Shell Round Internal Magnet Speaker 2W 8 Ohm (Pack of 4)

DAOKI 10PCS Digital DC 5V Amplifier Board Class D 23W USB Power Mini PAM8403 Audio Module

Uxcell a15112300ux1550 2W 40mm Diameter 8 Ohm Internal Mini Magnet Speaker Loudspeaker 6Pcs (Pack of 6)

OCR 24Value 500pcs Electrolytic Capacitor Assortment Box Kit Range 0.1uF－1000uF

Cylewet 5Pcs SFM-27 DC 3-24V Electronic Buzzer Alarm Sounder Continuous Sound Beep (Pack of 5) CYT1083

(200 Pcs) McIgIcM 2N2222 Transistor, 2N2222A to-92 Transistor NPN 40V 600mA 300MHz 625mW Through Hole

MCIGICM 50pcs ic dip lm358 Operational Amplifier Dual op-amp (Pack of 50pcs)

uxcell 10 Pcs 6mm x 3.5mm 2 Wire Cable MIC Electret Condenser Microphone

30 Pcs Double Sided PCB Board Prototype Kit for DIY, 4 Sizes by Paxcoo