DC-DC Step Down and Step Up Module with Digital Display DC Buck-Boost USB Step UP / Down Power Supply Module By Electrica

Boost converter - Wikipedia

DC DC Voltage Boost Buck Converter 4.8-30V Solar Charger Charging Controller Adjustable Step-Up / Down Automatic Power Module - SINONING- Electronics DIY Accessories Store

Simple and efficient, practical. Support boost and buck. Input DC 5V from USB male socket;. Output Power: 3W(Max). Circuit test. Its maximum output

DC-DC Buck-Boost Converter USB Step Up Down Power Supply Module 5V to 1-24V

Step Down Buck Converter Power Supply Module Board DC-DC 1.2-32V Adjustable 5A Constant Voltage Current LCD Digital Display - SINONING- Electronics DIY Accessories Store

MT3608 Step-Up Adjustable DC-DC Switching Boost Converter – Addicore

USB boost/buck power supply module, powered by USB, adjust potentiometer to get the required voltage. This power supply module display with voltage,

2PCS USB Step UP / Down Power Supply Module, Adjustable DC-DC 5V to 3.5V / 12V Boost Buck Converter Out DC 1.2V-24V

XH-M411 DC-DC Boost Adjustable Step Up Converter 5V-45V Power Supply M – eElectronicParts

S09 DC-DC Automatic Buck Boost Power Module Input 3V-15V Output 3.3V-1 – diymore

5V to 1-24V DC-DC Buck-Boost Converter USB Step Up Down Power Supply Module

Eummy DC-DC Buck Converter Module DC 12V/24V to DC 5V Step Down Module Waterproof Micro/Type-C DC Power Adapter Converter for Ring Keypad Cellphone Car GPS Device