Provide Voltage to microcontroller

Discussion in 'General Electronics Chat' started by TheDag, Apr 13, 2012.

  1. TheDag

    TheDag Thread Starter Member

    Joined:
    Jan 1, 2010
    Messages:
    94
    Hi,
    I Have Bluetooth Headset, for power up the Headset, I Have to transfer volts from the Battery+ to the microcontroller(Transfer volts from Pad "X" to Pad "Y"(SMD PCB))
    I Mean, when 555 pulse for 5 seconds, its do that thing......
    I Have circuit that should do this, but its not working.....
    How can I Do that??

    Thanks...
     

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  2. panic mode

    panic mode Well-Known Member

    Joined:
    Oct 10, 2011
    Messages:
    1,169
    Location:
    Mississauga, Ontario
    what are voltages at various points? what is gain of last transistor? what is current draw of your Bluetooth Headset?
     
  3. chrisw1990

    chrisw1990 Active Member

    Joined:
    Oct 22, 2011
    Messages:
    543
    Location:
    UK, Near Brighton
    perhaps a better start is why? why do you need to do this?
     
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