So I'm currently trying out a project using a USB power source to drive an Arduino Nano board and several 3W LEDs.
Specific conditions the project needs to fulfill are:
- The power supply's standard output is restricted to 5V/1A.
- The LEDs and arduino need to be powered in parallel
- Prefer to keep the overall size of the end product small (perhaps around the size of a flashlight).
So far I've managed to rule out powering the arduino with the on-board USB input and instead use a power supply only USB cable.
I currently plan to use at least one of these DC-DC boost converter modules to boost the 5V/1A output to at least 12V/1A before futzing with anything else.
The questions I have are:
- Is it possible to place a couple of these boosters in a series to increase the voltage still further?
- What would I need to add to supply 1A of current to all of the LEDs off of the single output?
And if there's anything I'm missing, can someone point out the errors?