Adafruit Ultimate GPS HAT for Raspberry Pi A+/B+/Pi 2/3/4/Pi 5 Mini Kit
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It's 10 PM, do you know where your Raspberry Pi is? If you had this GPS HAT, you would! This new HAT from Adafruit adds our celebrated Ultimate GPS, so you can add precision time and location to your Raspberry Pi Model Pi 3, Pi Zero, A+, B+, or Pi 2, 3, 4, & 5.
Here's the low-down on the GPS module:
- -165 dBm sensitivity, 10 Hz updates, 99 search channels
- GPS + GLONASS support
- 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
- 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
...all for under $30!
We spun up a HAT based on our Ultimate GPS, added a coin-cell holder for RTC usage, break-outs for all the Raspberry Pi's extra pins, and plenty of prototyping area for adding LEDs, sensors, and more.
Please note, this HAT takes over the Raspberry Pi's hardware UART to send/receive data to and from the GPS module. So, if you need to use the RX/TX pins with a console cable, you cannot also use this HAT. Instead, you'll have to use a composite or HDMI monitor and keyboard to log in or use ssh to connect over the network to your Pi. Read up on our tutorial for more information on how to use this fine HAT
Please note that as of July 2021, the original module we used was discontinued by the vendor. We found and are using a nearly identical version of the module - it's a little taller (4mm) but has the same functionality. The commands for querying the antenna have changed slightly so existing projects may need to update their software if doing antenna detection.
Comes as a fully assembled GPS + PCB and an additional 2x20 GPIO header. Some light soldering is required to attach the 2x20 GPIO header to the HAT but it's fast and easy for anyone with a soldering iron and solder. You can also swap the plain female header we have with a 'stacky' type that lets you plug in a hat or GPIO cable on top or a slim ultra-low-profile header.
To make air-shipping easier, this HAT does not come with a 12mm coin battery! A CR1220 will let you use the real-time-clock capability of the GPS HAT, you can pick one up locally or order one from us.
