GPS is a nifty piece of technology. GPS hardware needs to have a clear view of the sky because it's satellite based, so using your handheld unit can be a problem when the roof of your car is blocking ...

Part 1 discussed “surround sensing” and frequency modulated continuous wave (FMCW) radar as the basis of an Adaptive Cruise Control (ACC). A Gunn oscillator (Gunn VCO) is often used to generate the ...