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After exploring several solutions to transmit music wirelessly around my home, I ended up with a hybrid hack involving an analog FM receiver for audio and a digital wireless transceiver for controlling volume/power. The current configuration involves 5 wireless FM speakers that I hacked into and added the wireless transceiver and an FM transmitter that is connected to my TV’s audio output. These speakers are placed around my house. The TV is my central hub where all my media

In ancient times, circa AD 2000, getting a GPS device to give you an accurate location was nothing short of a black magic art. After sacrificing three goats, the navigational gods might align at least 3 satellites on your horizon or if they are especially pleased with you for throwing that virgin down the funeral pyre, you might see 4 satellites in your horizon thereby giving you not just the latitude and longitude of your location but an accurate time reference.  Now fast fo

If you ever wondered why your good cellphone connection just started making that scratchy noise when you stepped couple of feet away or during your daily commute your favorite NPR station produced that awful hiss when stopped at a red light and so on.. you are witnessing a wireless phenomenon called fading. Technically, there are two types of fading: multipath and shadow. The first one is mostly the cause for drastic signal change when you move very short distances. This is c