Yeah, that circuit works best when you replace the BJT with a MOSFET. But it shows that it is possible to use BC547s for this purpose.
I have use just resistors in the past with no issues at all.
Yeah, that circuit works best when you replace the BJT with a MOSFET. But it shows that it is possible to use BC547s for this purpose.
I have use just resistors in the past with no issues at all.