LM338K TO-3 Adjustable Voltage Regulator

5.5*2.1mm Solder-free Press-type DC Power Socket

$0.17

ESP32-S3 GPIO Expansion Board

$4.68

MS-190 12V-220V Mini Motor Siren

$3.41

85L1 AC 5mA-1000mA Milliammeter

$2.01

LA42DWQ-22 1K~100K Speed Regulation Potentiometer

$0.79

1.69 Inch TFT 240*280 ST7789 Display Module

$2.05

4.2mm 5557/5556 Low/High Pin Female Terminal Connector

$0.51

2.4 Inch 240*320 ST7789 TFT LCD Screen Display Module

$3.41

5~20V QC PD Fast Charging Test Board

$0.42

SD05CRMA Solar Charging Module

$0.37

LTC3108-1 Ultra-Low Voltage Boost Converter

$3.76

DPS310 Precision Barometric Pressure Altimeter Sensor

$5.55

ACR122U-A9 NFC Card Reader

$21.99

60*20mm 24V Double Ball Brushless Cooling Fan

$2.56

6.5mm Audio Male/Female Plug/Socket

$0.15

F61900/F61901/F61902/F61903/F61904/F61905/F61906 Thin Section Deep Groove Ball Bearing

$0.29

2EDG-UKR-5.08mm Pluggable Terminal Blocks Connector

$0.26

JX-100 10cm Large Self-reset Round Button

$1.28

3/4/5/6/7/8S 11.1~33.6V 18650 Lithium Battery Charger Protection Board

$0.35

JF-0826B DC 6V/12V/24V Through Frame Push-pull Electromagnet

$2.01