DC-DC Adjustable Step-Up and step-down Power Supply Module boost and buck voltage converter LM2596&LM2577 5-25V [ 5pcs/lot] : : Computers & Accessories

BULVACK 10 Pack LM2596 DC-DC Buck Converter Step Down Module Power Supply DIP Output 1.25V-30V 3A : Electronics

HiLetgo 2pcs LM2596 Adjustable DC-DC Step Down Buck Power Convert Module 4.0-40V Input to 1.25-37V Output with LED Voltmeter Display : Electronics

LM2577 Adjustable DC-DC Step Up Booster Converter Power Transformer Voltage Regulator Charger Supply Boost 3.5V-35V to 4V-35V 3A : Electronics

LM2577 Adjustable DC-DC Step Up Booster Converter Power Transformer Voltage Regulator Charger Supply Boost 3.5V-35V to 4V-35V 3A : Electronics

5Pack LM2596 LM2596S DC-DC Step Down Variable Volt Regulator Input 3.0-40V Output 1.5-35V Adjustable Buck Converter Electronic Voltage Stabilizer Power Supply Module : Electronics

Buy DC DC Auto Step Up Step Down Boost Buck Voltage Converter Module LM2577 3-35V to 125-30V Solar Voltage Power Supply for Arduino: Power Converters

DC DC Auto Step Up Step Down Boost Buck Voltage Converter Module LM2577 3-35V to 125-30V Solar Voltage Power Supply for Arduino

High Power Adjustable CNC Step-down DC Power Supply Mini Lab Bench Power Supply Adjustable Regulated Module 36V 5A 19QB - AliExpress

Boost And Buck Voltage Converter LM2577 & LM2596 [LM2577-LM2596] - US $5.00 : HAOYU Electronics : Make Engineers Job Easier

High Power Adjustable CNC Step-down DC Power Supply Mini Lab Bench Power Supply Adjustable Regulated Module 36V 5A 19QB - AliExpress

DC DC Step Down Buck Converter Module LM2596 3.2V 40V To 1.25V 35V Adj – Aideepen

DaFuRui 10 Pack Lm2596 DC-DC Adjustable Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Voltage Regulator Module

10 pcs LM2596 DC-DC Buck Converter Step Down Module Power Supply Output 1.23V-30V : Electronics

DC-DC Adjustable Step Up Down Converter Module with LM2596 LM2577 Buck Booster