This DC-DC 12V to 3.3V 5V 12V Power Module Multi Output Voltage Conversion is also known as Buck Converter or also as Step-Down Voltage Converter.The module is capable of altering the output of the power source/supply before supplying it to the load so as to deliver the specified power to your load...
DC-DC Boost Module (0.9V~5V) to 5V 600MA USB Step-up Board 5V OutputGreat Step-up Module with 0.9-5V input, output 5V for many digital devices, so this is really a great module for designing a portable charger. Useful for your USB charger projects and onboard USB device supply solutions. (ie GoPro c..