5V 2A Adapter Switching Power Supply Module AC 220V to DC 5V Step-Down Power Bare Board

$3.20

Switching Power Supply Circuit Training Production Kit 51 Microcontroller Soldering Practice Board DIY Electronics Assembly Components

$7.40

Health Monitoring Module for Heart Rate, Blood Pressure, and SpO2, Optical Pulse Wave Sensor

$140.80

Wall-Mounted CO2 Sensor with 86-Box Mounting Holes, CO2 Gas Transmitter, Temperature and Humidity Monitor

$91.00

Solder-Free 12-Cell Power Bank Kit with Wireless Charging, 18650 Lithium Battery Case with Digital Display

$24.60

Genuine ATSAML2X IOT SK Evaluation Kit [Evaluation Board]

$137.32

Microwave Parts Kit: High-Voltage Capacitor, Power Fuse, and High-Voltage Diode for Midea and Galanz Repairs

$7.90

AD8232 Module for ECG Measurement, Pulse and Heart Rate Monitor with Electrode Wires

$49.92

Solder-Free 20-Cell Power Bank DIY Kit with Wireless Charging Case - 16-Cell Flash Charge 18650 Battery Box

$14.90

Garment Sample Approval Card with Wash Label, Process Tag, and Tear-Resistant Fabric Tag for Accessories

$71.00

28-Cell Fast Charging Power Bank DIY Kit, Solder-Free Wireless Power Bank Case, 18650 Battery Holder (21-Cell)

$16.90

Motor Capacitor 450V Single-Phase Motor 220V Start Run Capacitor 200/250/300/30/40UF

$46.00