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How to Use a UWB Tag to Read Its Position

A UWB tag works out its own position. The anchors do not compute a coordinate and hand it down to the tag, and once that direction is clear, so is the question of where to go looking for the numbers. On the developer tag in the GrowSpace Creator Kit (Q1), they come out over serial. […]

How Many UWB Anchors Do You Need? (2D vs 3D)

You mapped the space, picked your tags, and now one number is holding up the whole order: how many anchors do you actually buy. Buy too few and the position never resolves. Buy too many and the extra hardware just sits in a drawer gathering dust. This guide hands you the number, the reason behind […]

Build Your Own UWB Setup, or Buy a Kit? An Honest Guide

You want centimeter-level indoor position, and you’ve hit the fork every maker hits. Buy a finished UWB dev kit, or wire up a few cheap modules and build your own? The parts for a DIY rig cost almost nothing, and that single fact, more than any spec sheet or shootout you’ll read on a forum, […]

UWB on Raspberry Pi: Reading Indoor Coordinates with Python

GPS falls apart the moment you push a robot through a warehouse door. Satellite signals don’t get through roofing and steel, so the coordinate that looked solid in the parking lot starts drifting the second you go inside. Wi-Fi and BLE trilateration will hand you something, but it wanders by three to five meters. Fine […]

UWB vs BLE vs GPS: Which One for Indoor Positioning?

You already know the concepts. Now you have to pick one. That is the hard part. On paper, UWB, BLE, and GPS all promise to tell you where something is. In practice they answer very different questions, at very different price points, with very different accuracy. Choose wrong and your prototype either bleeds budget or […]

UWB Indoor Positioning: A Beginner’s Guide

Indoors, GPS quits. Walk into a warehouse and your phone’s blue dot drifts through walls, lands two aisles over, then gives up. The signal from satellites cannot punch through a steel roof and metal racking, so anything that needs to know where it sits, down to the centimeter, hits a wall the moment it steps […]

UWB Arduino Positioning: How to Get Real X,Y Coordinates

Most “uwb arduino” tutorials stop at distance. You wire up two off-the-shelf UWB modules, run an open-source ranging library, and the serial monitor prints a number in meters. Then you try to turn three of those distances into an actual point on the floor, and the whole thing falls apart. That gap is the reason […]

Creator Kit vs Creator Expansion Kit: Which Q1 UWB Kit Is Right for Your Project?

Hello! This is Freegrow. GrowSpace’s UWB kit line comes in two configurations built around the same 10–30 cm accuracy, but sized for different stages of a project: the Creator Kit and the Creator Expansion Kit. Both kits use the same UWB anchor-based positioning technology. The difference is in what’s in the box, how the system […]

UWB Smart Key, Getting Truly “Smart” with UWB Technology

Hello, this is Freegrow. Today, you do not need to take the car key out of your pocket. You touch the door handle, and the car opens.You press a button, and the engine starts. This convenient feature comes from the smart key. Recently, a more advanced smart key using UWB (Ultra Wideband) technology has appeared […]