DC-DC 12V to 3.3V 5V 12V Power Module Multi Output Voltage Conversion - PiShop.us
DC Buck Converter DC-DC Step Down Voltage 5V-36V to 1.2V-32V Buck Converter Reducer Power Supply Module Supply Module with LED Display USB Output & Mode - Walmart.com
Adjustable Mini DC-DC Module- MP1584EN | Makerfabs
BIGTREETECH DC-DC Stepdown Module - 3DJake International
DC-DC 2A Adjustable Boost Power Supply Converter Step Up Module 2-24v - Solarbotics Ltd.
Adjustable Mini DC-DC Module- LM2596S | Makerfabs
DC / DC step-down converter module 1.25-35V / 10A | GM electronic COM
LM2577 DC DC Boost Step Up Module Converter Digital Voltmeter Display Voltage Meter 3A Output 3 34V to 4 35V|step up|dc-dc step updc-dc boost converter - AliExpress
Mini DC-DC Boost Step Up Voltage Converter 5V 8V 9V 12V PCB Board Module | eBay
Mini DC-DC Step-up Power Module
Module DC/DC step-down 1,25-32V/5A, USB, LED display | GM electronic COM
ADJUSTABLE DC-DC STEP-UP POWER MODULE 2A BOOST CONVERTER | UUGear
LM2596 DC-DC Step Down Power Supply Module -Buck Converter | ElectroPeak
35V~8A Auto Step-Up/Step-Down DC-DC Converter Module – HandsOn Tech