uxcell 3W 4 Ohm Metal Housing Round Magnet Speaker Loudspeaker 2Pcs

Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 (1 piece)

DROK Super Small 3W+3W DC 5V Audio Amplifier Handy Digital Power Amp Module Board Dual-channel PAM8403 Stereo Amplifiers with Potentiometer for DIY portable

For Arduino Nano V3.0, Elegoo Nano board CH340/ATmega328P without USB cable, compatible with Arduino Nano V3.0 (Nano x 3 without cable)

eBoot Mini MP1584EN DC-DC Buck Converter Adjustable Power Step Down Module 24V to 12V 9V 5V 3V, 6 Pack

DIYmall 7 Bits 7 X WS2812 5050 RGB LED Ring Lamp Light with Integrated Drivers

Uxcell Toggle Switch (10 Piece)

URBEST 1A 250V AC 2 Pin SPST Off-(On) Round Momentary Push Button Switch, 2 Pieces

Gikfun 1.5" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1794

Elegoo 32 Pcs Double Sided PCB Board Prototype Kit for DIY Soldering with 5 Sizes Compatible with Arduino Kits

Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash [ADA2341]