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Ultra-low-power GPS cat tracker – design and build

CatTrack

  • Home
  • What’s CatTrack?
  • Complete v1.0 Build Summary
  • Latest: CatTrack v3.0
  • About Me
  • Posts
    • Why not just buy a GPS cat tracker?
    • First Design Thoughts
    • The Architecture and Communication Protocols
    • Choosing a Microcontroller
    • Picking a GPS Module
    • Which RF Transceiver?
    • Choosing a Power Source
    • One last thing…. The Antenna!
    • CatTrack Schematic!
    • CatTrack PCB Design
    • Writing the Code
    • PCBs have arrived! Soldering and matching the antenna…
    • It works!!!
    • Comparing compilers: CCS C and Microchip XC8
    • CatTrack Base Station Schematic
    • Base Station PCB
    • Base station PCBs have arrived – time to solder!
    • Long Range Communications with the CC1125
    • Everything’s working!!!
  • Home

Tag: IO

Posts, Schematics 1 comment on CatTrack Schematic!

CatTrack Schematic!

I’ve finally finished the CatTrack schematic, hurrah!

Click it to enlarge.

As a reminder, my plan is for the collar to work thus:

Continue Reading “CatTrack Schematic!”

by andyc31st August 201722nd July 2023
Posts 2 comments on Picking a GPS Module

Picking a GPS Module

My priority for the GPS module is the size and antenna.  I’ve worked with external GPS chip antennas in the past and they can be a nightmare!  Therefore for this project I’m after a small GPS module with an integrated antenna.

Continue Reading “Picking a GPS Module”

by andyc3rd July 201722nd July 2023
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