hi guys,
I just made a variable Air/fuel ratio gauge from a lm3914 (0.58v to 0.94v)
and i want to do a calibration
I want to know how you can built a variable 0 to 1 volts power supply I search over internet and I saw people using the lm317 but all power supply shematic I saw are 1.5v and up... if its posible to draw me a shematic in discrete, i dont want to buy a ic if its posible.
Thanks
I just made a variable Air/fuel ratio gauge from a lm3914 (0.58v to 0.94v)
and i want to do a calibration
I want to know how you can built a variable 0 to 1 volts power supply I search over internet and I saw people using the lm317 but all power supply shematic I saw are 1.5v and up... if its posible to draw me a shematic in discrete, i dont want to buy a ic if its posible.
Thanks