GPS
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JioFind 4G GPS Tracker Teardown: A Complete Inside-Out Hardware Breakdown Bluetooth trackers like Apple AirTags and Samsung SmartTag are a convenient way to locate misplaced items nearby, but their dependence on nearby smartphones limits their usefulness over long distances. Cellular GPS trackers overcome this limitation by communicating directly over the mobile network, allowing them to report their location from anywhere with network… |
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This STM32 GPS Device Shows Which Planets Are Above You Offline, Fitting 5 Years of Orbits in 64KB What if a tiny electronic device could look at the sky without a camera or telescope and tell you which planets are currently above the horizon? That is the idea behind Whats Up V2, a compact GPS-based circuit built around an STM32G031K8 microcontroller. The device uses a u-blox SAM-M10Q GPS module to obtain its location and precise UTC time, while nine SK6812-EC20 addressable RGB LEDs provide… |
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US-India NISAR Satellite Radar Reveals a 'Hummingbird' Etched in Antarctic Ice The NASA-ISRO Synthetic Aperture Radar (NISAR) satellite has produced an image of a mountain peak in East Antarctica that scientists have nicknamed "the hummingbird." The image shows Nunatak Zaterjavshijsja, a mountaintop poking through a stream of ice flowing northeast toward the ocean, and was generated using data from the satellite's L-band radar instrument collected during systems testing… |
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How to Make an IoT Pet Tracking System with GPS and Geofencing "Where did my pet go?" If you have a pet, you've probably asked this question at least once. One moment they're playing happily in front of you, and the next... they're gone! Maybe they saw a butterfly, started chasing a bird, or simply decided to go on a little adventure without telling you. A GPS pet tracker solves this problem before it turns into a crisis. Now… |
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How to Build an IoT-Based Multi-Geofencing System for Smart Tracking We're all familiar with live GPS tracking; it tells us where a vehicle or device is right now. But what if the system could do more than just show the location? That's where geofencing using IoT comes in. Imagine receiving an instant alert the moment a vehicle leaves home, reaches college, enters the office, or moves into a restricted area. Instead of… |
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How to Build a Smart Parcel Tracking System Using IoT Imagine you've just sent a parcel through a courier service. As soon as it leaves your hands, you start wondering what is happening to it. Is it being handled carefully? Has it been dropped or damaged? Is it still on the right route? Will it reach the destination safely and on time? The truth is, once we send a parcel, we have very little idea about what happens… |
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How to Build an UWB Indoor Positioning System using ESP32 and Qorvo DWM3000 Building an indoor positioning system using ESP32 requires technology beyond GPS. While GPS trackers excel outdoors, indoor positioning system needs Ultra-Wideband (UWB) technology to achieve centimetre-level accuracy inside buildings. This guide shows you how to build a complete UWB indoor positioning system using the Qorvo DWM3000 UWB module with ESP32,… |
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How Can You Get and Use an M2M IoT SIM Card in India? If you are working on IoT projects, you already know the importance of an M2M IoT SIM card for remote monitoring and tracking. For those who are new and wondering why you need a special M2M SIM card when you can just use your normal SIM card, here are two strong reasons to consider one. Cost: If you are running a… |
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What Happens When You Build a Private Network Just to Track Cows? A development team recently built a custom long-range livestock tracking system designed specifically for farms located in mountainous regions with poor cellular coverage. Instead of relying on standard GPS trackers that require 4G connectivity, the project uses a private LoRa-based communication network to help farmers monitor cattle positions in real time. The complete setup consists of… |
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How to activate Airtel M2M IoT SimCard with Geolinker ESP32 Airtel M2M IoT SIM Activation – Quick Overview Log in to Circuit Digest Cloud & open the GeoLinker dashboard Enter ICCID and mobile number, verify OTP. Submit KYC documents (within 7 days) KYC verified by Airtel Whitelist up to 4 numbers for SMS/Voice Table of Contents What is an Airtel M2M SIM Card? Accessing the Airtel M2M SIM Dashboard on Circuit Digest Cloud Step 1 ⇒ How… |
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RC Jeep Uses a Servo-Powered Camera Rig for True Driver POV What if an RC car could make you feel like you’re actually sitting inside it? That’s exactly what creator kpopRC has built with his latest FPV Jeep crawler. Instead of a fixed camera, the system uses a servo-powered “lean-out” rig mounted in the driver’s seat position. This allows the camera to physically extend out of the window and move with pan and tilt controls giving a true driver’s… |
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Mesh Node Combines LoRa and Meshtastic for Off-Grid Messaging Not being able to locate a friend who got separated from the group during a trek led to the development of Mesh Node, a device designed for connectivity in areas where traditional infrastructure does not exist. It uses LoRa tech to support messaging over distances of up to 4–5 kilometres in open areas. The range of communication extends even longer by forming a mesh network, where devices… |
