XL6009 DC-DC Step-Up Boost Converter Module

The product shown is a generic XL6009 DC-DC Step-Up (Boost) voltage converter module. These modules are quintessential 'white-label' electronic components meant for DIY projects and industrial prototyping. They are designed to take a lower input voltage and 'boost' it to a higher, stable output voltage using an adjustable potentiometer.

The design is based on the XL6009 regulator integrated circuit, originally designed by XLSEMI, a semiconductor company based in Shanghai. These specific blue PCB modules are manufactured by hundreds of different anonymous factories across China's major electronics hubs like Shenzhen and Dongguan. Because they are open-design commodity parts, they are often sold without a primary brand name, appearing under various hobbyist storefronts such as HiLetgo, MakerFocus, or generic listings on global marketplaces.