{"product_id":"m5stack-dw1000-uwb-indoor-positioning-unit","title":"M5Stack UWB Indoor Positioning Unit (DW1000)","description":"\u003cp\u003e\u003cvideo controls playsinline muted style=\"width:100%;height:auto;\"\u003e\u003csource type=\"video\/mp4\" src=\"https:\/\/m5stack.oss-cn-shenzhen.aliyuncs.com\/video\/Product_example_video\/Unit\/UWB_VIDEO.mp4\"\u003e\u003c\/video\u003e\u003c\/p\u003e\u003ch2\u003eTrack Position Indoors Where GPS and Signal Strength Fall Short\u003c\/h2\u003e\u003cp\u003eA warehouse cart, mobile robot, tool case, or interactive exhibit can be easy to see but difficult to locate automatically. GPS performs poorly indoors, while Wi-Fi or Bluetooth signal strength can shift when people, doors, shelving, and machinery move. The \u003cstrong\u003eM5Stack UWB Unit\u003c\/strong\u003e uses a DW1000-based BU01 module and STM32F103 controller to measure radio time of flight for indoor ranging and positioning experiments.\u003c\/p\u003e\u003cp\u003eThe unit supports Two-Way Ranging (TWR) and Time Difference of Arrival (TDOA) workflows. The host receives ranging data through UART AT commands, avoiding the need to implement the complete low-level UWB ranging stack before testing an anchor-and-tag layout.\u003c\/p\u003e\u003ch2\u003eBuild an Anchor Layout Around the Area That Actually Matters\u003c\/h2\u003e\u003cp\u003eFixed anchors can be mounted around a room, work cell, laboratory, exhibit, or storage zone while a tag moves with the object being tracked. The current firmware supports up to four base stations with different IDs and one tag at a time, making it suitable for proof-of-concept positioning and controlled single-target systems.\u003c\/p\u003e\u003cp\u003eAnchor placement determines whether the calculated position is stable. Spread anchors around the measurement area instead of placing them along one wall or line. Keep mounting height and orientation consistent, then test around the real shelving, metal frames, walls, equipment, and walking paths.\u003c\/p\u003e\u003ch2\u003eTreat 10cm as a Best-Case Capability, Not a Site-Wide Promise\u003c\/h2\u003e\u003cp\u003eThe product specification lists positioning accuracy up to approximately 10cm under suitable conditions. Reflections and blocked paths can make the measured distance longer than the direct path, especially near metal racks, concrete walls, machinery, or people. Poor anchor geometry can magnify a small ranging error into a much larger position error.\u003c\/p\u003e\u003cp\u003eCommission the system at the actual site. Record reference points, compare measured and known positions, identify non-line-of-sight zones, and adjust anchor position before building application logic around the results.\u003c\/p\u003e\u003ch3\u003eUse the Existing Ranging Firmware for Faster Evaluation\u003c\/h3\u003e\u003cp\u003eUART communication defaults to 115200bps. The integrated firmware reduces the time needed to evaluate TWR or TDOA behavior, data rates of 110Kbps, 850Kbps, and 6.8Mbps, and the available UWB channels. Add host-side filtering, timeout handling, stale-data detection, and clear behavior when one or more anchors disappear.\u003c\/p\u003e\u003ch3\u003eDo Not Select It as a General-Purpose UWB Data Radio\u003c\/h3\u003e\u003cp\u003eThe current firmware is intended for ranging data and does not provide arbitrary custom UWB payload transport. Select it when distance and position are the primary outputs. A project that needs a custom high-speed UWB communication protocol requires a different firmware or hardware path.\u003c\/p\u003e\u003ch2\u003eMatch the Prototype Scope to the Firmware Limit\u003c\/h2\u003e\u003cp\u003eOne tag and up to four anchors can demonstrate room-scale positioning, robot feedback, zone detection, and asset-location concepts. Multi-tag fleet tracking, production-wide coverage, redundant anchor networks, and safety-critical control require additional architecture, synchronization, testing, and often different system software.\u003c\/p\u003e\u003cp\u003eCommand references and setup details are available in the \u003ca href=\"https:\/\/docs.m5stack.com\/en\/products\/sku\/U100\" target=\"_blank\" rel=\"noopener\"\u003eM5Stack UWB Unit documentation\u003c\/a\u003e.\u003c\/p\u003e","brand":"LogicBoundless","offers":[{"title":"Default Title","offer_id":49240487690455,"sku":"LB-M5-U100","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/8952\/2135\/files\/1_d384681d-be7d-4a97-9c72-b47f8ce36e2c.jpg?v=1783243342","url":"https:\/\/logicboundless.com\/products\/m5stack-dw1000-uwb-indoor-positioning-unit","provider":"LogicBoundless","version":"1.0","type":"link"}