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Old 04-13-2012, 09:40 PM
TheDag TheDag is offline
Join Date: Jan 2010
Posts: 94
Default Provide Voltage to microcontroller

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??

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Old 04-14-2012, 05:16 PM
panic mode's Avatar
panic mode panic mode is offline
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Join Date: Oct 2011
Location: Mississauga, Ontario
Posts: 1,096

what are voltages at various points? what is gain of last transistor? what is current draw of your Bluetooth Headset?
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Old 04-14-2012, 05:18 PM
chrisw1990 chrisw1990 is offline
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Location: UK, Near Brighton
Posts: 543

perhaps a better start is why? why do you need to do this?
if in doubt.. use a hammer.
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