If you have the a 317 do it your self with 2 resistors or one resistor and a trimmer.
Even cheaper and easier, a serial pass transistor with a bias to control the output.
Ioannis
Re: Bluetooth module @ 3.3 volts
If you have the a 317 do it your self with 2 resistors or one resistor and a trimmer.
Even cheaper and easier, a serial pass transistor with a bias to control the output.
Ioannis
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