I am working on a project where I am driving 5volts led strips with 3.7volts batteries.
I bought an arduino pro mini 328, 8mhz, 3.3volts, just to realize that it doesnt have a 5volts output that I could use to feed the led strip, and using a digital output with its 40ma limit is not possible.
So I realized that for feeding the led strip, I would need an arduino pro mini 5volts, but I still would like to use 3.7Volts 18650 batteries for this project.
So then, my question arises: I have used L7805 Voltage Regulator in the past to bring down 12volts to 5volts. I do not know much about these electronic components, so I would like to know if there is a voltage regulator capable to regulate 3.7volts into the 5volts I would need for an arduino pro mini 5volts.
thanks for sharing!