High-Sensitivity Sound Sensor Module with Microphone for Audio Detection and Control Switch

$7.72

LM317 Adjustable DC Power Supply Kit, DIY Electronics Component Assembly, Experiment & Soldering Practice PCB

$0.74

Ultra-Fast Raspberry Pi Pico Expansion Board - Solder-Free Plug-and-Play Pin Header for Raspberry Pi Pico Development

$132.44

20MM Aluminum Substrate High-Brightness High-Power 1W/3W/5W Small LED Beads Universal White/Black

$1.85

Lvshen LM386 Audio Recognition Module Voice-Controlled Switch Microphone Sensor Digital/Analog Sound Detection

$31.40

Digital + Analog Sound Detection Module with LM386 Audio Recognition, Voice-Controlled Switch, and Microphone Sensor

$72.00

Waveshare Raspberry Pi 5 All-in-One Multifunctional Development Board with PCIe Expansion, Gigabit Ethernet Port, M.2 Interface, and 4K Output

$119.00

DC Power Jack with Wires, Soldered DC 3.5-1.35mm Female Charging Connector, 3.5mm Hole Diameter Single Female Socket

$0.50

CBB65A Air Conditioner Compressor Start Capacitor, Explosion-Proof Non-Polarized Film Capacitor 450V 35UF 50UF 30UF

$69.00

Waveshare Sound Sensor Module Voice-Controlled Switch Intensity Detection Audio Amplification Microphone LM386

$21.00

8/12/16/20 LED Beads Lighting Board USB Portable Light Aluminum Substrate for Street Vendors/Emergency/Night Light 5V

$2.23

5V 1A Adapter Switching Power Supply Module, AC 220V to DC 5V Step-Down Bare Board

$2.20