Thank you Captain Obvious. (LOL)Buy a MOSFET.
or
Maybe find a boost regulator that uses a BJT if funds and time are scarce.
Thank you Captain Obvious. (LOL)Buy a MOSFET.
To know what to suggest, we need to know exactly what parts you have or can buy.Isn't there nothing I could do?
I didn't even see this reply. Silly softwares.That circuit has an unregulated output and is designed to get the last bit of power out of a single 1.5V dry cell.
Don't know that it will work in your application.
Why type of LEDs are you trying to power?