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  1. K

    0-30V Stabilized Power Supply

    I will try to look at those suppliers. Thanks. I will follow the schematic posted from the first page.  Thank you for your help, audioguru! I will probably come again when I build my own in the future. I'm just researching and sourcing out components at the moment. :)  
  2. K

    0-30V Stabilized Power Supply

    Okay sir, I will add an external power supply for the meter. 1. I really can't get a hold of these new op amps. I searched online, and found uA741CP Op amps, is it a good sub? 2. Also, I was thinking of connecting the center tap like the attached image, since it's easier to get a hold of a...
  3. K

    0-30V Stabilized Power Supply

    Thanks for the reply audioguru!  Yes, I will supply them with a separate supply. I added a 7812 regulator after the capacitor. I reversed engineered the PCB from banggood because I'm too lazy to make my own.  I will change the parts according to your parts list, mr audioguru. I cannot find the...
  4. K

    0-30V Stabilized Power Supply

    Hi. I think I read somewhere that I could use a voltmeter as a makeshift ammeter for this project.  Can I use this type of voltmeter? http://www.ebay.com/itm/2pcs-Mini-DC-0-100V-Red-LED-3-Digital-Display-Voltage-Voltmeter-Panel-Motor-/381374425176?hash=item58cbafe858:g:dtcAAOSwo8hTmvxX How...
  5. K

    0-30 VDC Stabilized Power Supply 0.002-3 A

    Hi mr. Audioguru. Why would say that the kit from banggood is overloaded? I was about to make myself one. 
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