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For all you Apple aficionados out there, a handy application that'll increase your "geek factor."
Just in time for the release of the new Apple iPhone 4 (we will leave out any snide comments about the iPhone preorder fiasco and/or AT&T), there is a handy new engineering app that will undoubtedly prove useful - the Voltage Divider App from Ditty Labs!
This useful utility allows the user to solve for voltage or resistor values in a common voltage divider circuit. Enter three terms (choosing from Vin, Vout, R1 or R2) and the program will figure out the fourth term and then let you pick the resistor that will work for your project.