2pcs DC-DC Step Down Buck Module Regulated Power Supply Module 12V 9V 5V 3.3V 2A

10X Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V

2pcs DC-DC Step Down Buck Module Regulated Power Supply Module 12V 9V 5V 3.3V 2A

HLK-PM01 HLK-PM03 HLK-PM12 220V to 5V/3.3V/12V Step Down Power Supply Module

DC-DC step-down power module 6V-55V input to 3.3V 5V 9V 12V output 600mA current

DC 3.3V 3.7V 5V 6V to 12V Step-up Power Supply Boost Voltage Regulator Converter

2pcs DC-DC Step Down Buck Module Regulated Power Supply Module 12V 9V 5V 3.3V 2A