DC-DC Automatic Step Up-down Power Module (2.5~15V to 3.3V 600mA) - DFRobot

Search - voltage boost - products, projects and tutorials - DFRobot

DC-DC Buck/Boost Module 3.3V Fixed Output, 0.6A

DC-DC Automatic Step Up-down Power Module (2.5~15V to 3.3V 600mA) - DFRobot

Search - dc module - products, projects and tutorials - DFRobot

DC/DC converter module 35W - Kamami on-line store

DC-DC Buck-Mode Power Module (8~28V to 5V 1.6A) - DFRobot

DC-DC Automatic Step Up-down Power Module (2.5~15V to 3.3V 600mA) — Little Bird

DC/DC step-up/down converter AZO Digital Botland - Robotic Shop

DFRobot Step-Up Voltage Regulator with AA battery Botland - Robotic Shop

DC DC Automatic Step Up-down Power Module 2.5~15V to 3.3V 600mA Philippines

Current to Voltage Module 0/4- 20mA to 0-3.3V 5V 10V Voltage Transmitt – Makerlab Electronics

Buck-Boost - step-up/step-down converter - 2,5V-9V - SparkFun COM-15208 Botland - Robotic Shop

DC/DC Step-up converter with 4-30V output

24V to 48V @ 1.5A Step-Up DC-DC Converter using LM2588

DC Boost Step-Up Module, CC&CV, 600W 10A - ElectroDragon

LM2596S & LM2577S DC-DC Adjustable Step-Up and step-down Power Supply Module

400W 15A DC-DC Boost Converter Step-up Module Constant Current LED Driver