Handy compact switchmode boost / step-up voltage converter or regulator. Handy for charging batteries or running high power LEDs! In = 5-32V / Out = 5-35V @ 4A Switching Regulator (Boost = Output Voltage must be higher than input voltage)
The LM7805!! The universal goto linear voltage regulator. Tried and tested design over 30 years old! Simple, stable, effective and cheap! you're going to need a few of these for your projects!! 5v output at 1A capable.