--- title: "#gps articles | Hashnode" description: "Explore 47 articles tagged #gps on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/gps" --- Tag # #gps 47 posts · 3 followers [Doogal Simpson](https://hashnode.com/@doogal) · [Oct 28](https://hashnode.com/posts/how-gps-works-why-four-satellites/6ae1daebd3133b4af0905580) ### [How GPS Works: Why Positioning Requires 4 Satellites](https://doogal.dev/how-gps-works-why-four-satellites?utm_source=hashnode&utm_medium=feed) GPS uses trilateration to calculate position. Learn why a fourth satellite is required to correct receiver clock drift and achieve accurate positioning. 5 min read · [doogal.dev](https://doogal.dev/how-gps-works-why-four-satellites?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/how-gps-works-why-four-satellites/6ae1daebd3133b4af0905580) [Tejal Laxkar](https://hashnode.com/@axonsmobility) · [Oct 28](https://hashnode.com/posts/golf-cart-geofencing-in-python-point-in-polygon-gps-noise-and-debounced-alerts/6ae20ea41a2020a45dd67b36) ### [Golf Cart Geofencing in Python: Point-in-Polygon, GPS Noise and Debounced Alerts](https://axonsmobility.hashnode.dev/golf-cart-geofencing-in-python-point-in-polygon-gps-noise-and-debounced-alerts?utm_source=hashnode&utm_medium=feed) Geofencing sounds simple: draw a shape on a map, and raise an alert when a vehicle goes inside it. On a golf course, the shape might be a green, a tee box or a pond, and the vehicle is a golf cart rep 5 min read · [axonsmobility.hashnode.dev](https://axonsmobility.hashnode.dev/golf-cart-geofencing-in-python-point-in-polygon-gps-noise-and-debounced-alerts?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Oct 27](https://hashnode.com/posts/open-gps-a-diy-esp32-s3-golf-shot-tracker-with-a-rotary-dial/6ae06af5eb2351afe78ae580) ### [Open GPS: A DIY ESP32-S3 Golf Shot Tracker With a Rotary Dial](https://circuitrocks.hashnode.dev/open-gps-a-diy-esp32-s3-golf-shot-tracker-with-a-rotary-dial?utm_source=hashnode&utm_medium=feed) Open GPS DIY ESP32-S3: Open GPS tracks golf shot distances with an ESP32-S3, a NEO-M9N GPS and a rotary dial. 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/open-gps-a-diy-esp32-s3-golf-shot-tracker-with-a-rotary-dial?utm_source=hashnode&utm_medium=feed) [Jietion](https://hashnode.com/@globaliotsim) · [Oct 23](https://hashnode.com/posts/gps-tracker-reporting-intervals-and-keep-alive-timers-how-firmware-settings-drive-monthly-usage/6adb7fc1613dfce455239a83) ### [GPS Tracker Reporting Intervals and Keep-Alive Timers: How Firmware Settings Drive Monthly Usage](https://liotsim.hashnode.dev/gps-tracker-reporting-intervals-and-keep-alive-timers-how-firmware-settings-drive-monthly-usage?utm_source=hashnode&utm_medium=feed) How reporting interval, parked mode, keep-alive timers and OTA updates set a GPS tracker's monthly data, with GSMA TS.34 guidance. 9 min read · [liotsim.hashnode.dev](https://liotsim.hashnode.dev/gps-tracker-reporting-intervals-and-keep-alive-timers-how-firmware-settings-drive-monthly-usage?utm_source=hashnode&utm_medium=feed) [Anmol Singh Tuteja](https://hashnode.com/@anmolthedeveloper) · [Sep 5](https://hashnode.com/posts/tracking-from-the-grave-how-apps-follow-your-location-after-they-re-killed/6a9bd295bb856ab142d626b2) ### [Tracking From the Grave: How Apps Follow Your Location After They're Killed](https://blog.anmolthedeveloper.com/tracking-from-the-grave-how-apps-follow-your-location-after-they-re-killed?utm_source=hashnode&utm_medium=feed) Can apps track your location after you kill them? Discover how Android and iOS revive background location tracking using geofences, motion detection, and system triggers. 35 min read · [blog.anmolthedeveloper.com](https://blog.anmolthedeveloper.com/tracking-from-the-grave-how-apps-follow-your-location-after-they-re-killed?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Jul 29](https://hashnode.com/posts/open-rc-spotter-an-esp32-data-logger-for-rc-car-racing/6a6a7aeb4cce22e4b76bd0b7) ### [Open RC Spotter: An ESP32 Data Logger for RC Car Racing](https://circuitrocks.hashnode.dev/open-rc-spotter-an-esp32-data-logger-for-rc-car-racing?utm_source=hashnode&utm_medium=feed) Open RC Spotter is an open-source ESP32 data logger that records GPS, IMU, throttle, and temperature from your RC car for pro-level lap analysis. 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/open-rc-spotter-an-esp32-data-logger-for-rc-car-racing?utm_source=hashnode&utm_medium=feed) [Fleetable Tech](https://hashnode.com/@fleetable01) · [Jun 30](https://hashnode.com/posts/sim-based-tracking-vs-gps-tracking-which-technology-is-better-for-modern-fleet-management/6a43776e2011a5c33984477a) ### [SIM Based Tracking vs GPS Tracking: Which Technology Is Better for Modern Fleet Management?](https://best-employee-tracking-app.hashnode.dev/sim-based-tracking-vs-gps-tracking-which-technology-is-better-for-modern-fleet-management?utm_source=hashnode&utm_medium=feed) Compare SIM Based Tracking and GPS Tracking to understand their differences, advantages, and the best use cases for modern fleet management. 3 min read · [best-employee-tracking-app.hashnode.dev](https://best-employee-tracking-app.hashnode.dev/sim-based-tracking-vs-gps-tracking-which-technology-is-better-for-modern-fleet-management?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Jun 15](https://hashnode.com/posts/build-a-handheld-gps-compass-on-the-adafruit-feather-rp2350/6a30777348bc20d3865c1979) ### [Build a Handheld GPS Compass on the Adafruit Feather RP2350](https://circuitrocks.hashnode.dev/build-a-handheld-gps-compass-on-the-adafruit-feather-rp2350?utm_source=hashnode&utm_medium=feed) Handheld GPS Compass Adafruit: Turn a Feather RP2350, a 9-DoF IMU, and a GPS module into a pocket navigator that draws a live compass rose and never needs… 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/build-a-handheld-gps-compass-on-the-adafruit-feather-rp2350?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Jun 12](https://hashnode.com/posts/weekend-build-a-pocket-gps-compass-on-the-feather-rp2350/6a2c82ff712f0efd96e65eac) ### [Weekend Build: A Pocket GPS Compass on the Feather RP2350](https://circuitrocks.hashnode.dev/weekend-build-a-pocket-gps-compass-on-the-feather-rp2350?utm_source=hashnode&utm_medium=feed) Spend a weekend building a pocket GPS compass: a Feather RP2350, PA1010D GPS, and a 9-DoF IMU draw a live, tilt-aware heading on a bright TFT screen. 3 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/weekend-build-a-pocket-gps-compass-on-the-feather-rp2350?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Jun 11](https://hashnode.com/posts/adafruit-feather-builds-a-gps-compass-and-a-pocket-game-console/6a2b314d20f05a38bda18ad8) ### [Adafruit Feather Builds: A GPS Compass and a Pocket Game Console](https://circuitrocks.hashnode.dev/adafruit-feather-builds-a-gps-compass-and-a-pocket-game-console?utm_source=hashnode&utm_medium=feed) Adafruit Feather Builds GPS: A GPS compass that always points you home and a Feather-powered handheld game console — broken down into stackable… 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/adafruit-feather-builds-a-gps-compass-and-a-pocket-game-console?utm_source=hashnode&utm_medium=feed)