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15V-72V 18V 24V 36V 48V 60V To 12V 2A 24-36W DC-DC Step Down Module Converter

1set Breadboard MB102 Power Supply Module 3.3V/5V + MB-102 830 Points Solderless Prototype Bread Board Kit +65 Jumper Wires DIY

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30W Amplifier, DC 5V MP3 Decoder Board with Bluetooth 5.0 USB Module And Remote Control Suitable for 4-ohm 5-8 inch speakers.

ESP3232u Development Board with 2.4G Antenna Port Expansion Board Kit ESP32-32U BT Wifi Module Type-C 38PIN CP2102 ESP32-DevKitC

85V 72V 48V 36V 24V to 12V 3A 5A 8A 10A 12A Automotive Voltage Reduction Power Module 15V-90V to 12V DC Conversion Regulator CE

XH-M229 Desktop PC Chassis Power ATX Transfer to Adapter Board Power Supply Circuit Outlet Module 24Pin Output Terminal 24 pins

30W Amplifier, DC 5V MP3 Decoder Board with Bluetooth 5.0 USB Module And Remote Control Suitable for 4-ohm 5-8 inch speakers.

BMS 3S/4S 5A 10A 20A 25A 40A 60A Li-ion Lithium Battery Charger Protection Board 18650 For Drill Motor 12V with Enhance/Balance