Baby Monitor Circuit Diagram with USB Microphone, Data Transfer & Charging

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#1 21660852 24 Jan 2012 13:04

Jonny Jenkins Jonny Jenkins

Anonymous

Post #1
21660852 24 Jan 2012 13:04

I need to produce a circuit diagram for a university project. The product I am making it for is a baby monitor which has a microphone to record the child's sleeping pattern during the night then display the data recorded on a computer. It must be connected to the computer via USB. This must also charge the product. However, I am completely new to electronics and have no experience at all. Anyone help?
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#2 21660853 24 Jan 2012 15:22

Todd Hayden Todd Hayden

Anonymous

Post #2
21660853 24 Jan 2012 15:22

Tops-down design. Start with a block diagram of your system. Define the signal types and levels (clocks, signals, power) at the interfaces between your blocks, then focus on the detailed design or each block. When you are done with every block you are done with the system. Unless you actually breadboard or build it, in which case you get to find and correct your errors.
#3 21660854 24 Jan 2012 22:13

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #3
21660854 24 Jan 2012 22:13

Being completely new to electronics you might want a solution that does not involve circuit design. Here are links to three companies that make analog interfaces with USB output. Two of them (perhaps all three) provide data acquisition software that might be suitable for your project.

http://www.create.ucsb.edu/~dano/CUI/

http://www.ontrak.net/products.htm

http://www.phidgets.com/products.php?product_id=1018
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Baby Monitor Circuit Diagram with USB Microphone, Data Transfer & Charging

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