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...

    Attached Files:

  2. panic mode

    panic mode Well-Known Member

    Joined:
    Oct 10, 2011
    Messages:
    1,103
    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?
Similar Threads
Forum Title Date
General Electronics Chat How Transformer provides isolation: Jul 22, 2014
General Electronics Chat Can a 3.7v LiPo battery Boosted to 5V provide 2A peaks? Jun 18, 2014
General Electronics Chat sf bay area: need pcb smt assembly service provider for small prototyping project Dec 16, 2012
General Electronics Chat How can we provide auto changeover in a solar energy system Oct 7, 2012
General Electronics Chat Why do vias provide good thermal conductivity? Aug 22, 2012

Share This Page