Adafruit start to launch their HATs for the Raspberry Pi

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US maker store Adafruit has just started to release HATs for the Raspberry Pi B+ and A+. The one I’m featuring here is the Ultimate GPS Hat. This sits on top of your B+ or A+ and allows you to receive GPS signal data from the GPS receiver on top of the HAT. Here’s a list of features, taken from the Adafruit site:

  • -165 dBm sensitivity, 10 Hz updates, 66 channels
  • Only 20mA current draw
  • Built in Real Time Clock (RTC) – slot in a CR1220 backup battery for 7-years or more of timekeeping even if the Raspberry Pi is off!
  • PPS output on fix, by default connected to pin #4
  • We have received reports that it works up to ~32Km altitude (the GPS theoretically does not have a limit until 40Km)
  • Internal patch antenna which works quite well when used outdoors + u.FL connector for external active antenna for when used indoors or in locations without a clear sky view
  • Fix status LED blinks to let you know when the GPS has determined the current coordinates

The rest of the HAT is dedicated to a small prototyping area and all the non-used pins are broken out for your use. You can read more here and purchase one here.

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