{"product_id":"witmotion-sindt-ahrs-sensor","title":"WitMotion SINDT01\/SINDT02 AHRS Tilt Sensor Modbus TTL\/RS232\/RS485, IP67, 0.1° Inclination","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eWitMotion SINDT series AHRS tilt sensor options for Modbus inclination\/angle measurement: SINDT01 (single-axis) and SINDT02 (dual-axis). The series adopts a MEMS high-precision module for horizontal\/inclination\/angle measurement, with IP67 protection and a built-in Kalman filter fusion algorithm. A free PC software tool is provided for Modbus communication and motion-state visualization.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInclination accuracy: 0.1°\u003c\/li\u003e\n\u003cli\u003eIP67 protection\u003c\/li\u003e\n\u003cli\u003eBuilt-in Kalman filter fusion algorithm\u003c\/li\u003e\n\u003cli\u003eInterfaces optional: RS232, RS485, or TTL level\u003c\/li\u003e\n\u003cli\u003ePC software functions shown: motion-state simulation (car\/head\/plane\/cube) and real-time data curves\u003c\/li\u003e\n\u003cli\u003eAluminum shell; strong anti-electromagnetic interference ability; stable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eTilt sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e5V~36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003eNormal mode 25mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eTTL\/232\/485 (all are Modbus protocol)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Data\u003c\/td\u003e\n\u003ctd\u003eEuler Point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003eAngle: X±180°, Y±90° (SINDT02 only has Y axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle Accuracy\u003c\/td\u003e\n\u003ctd\u003eX, Y axis 0.1°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturn Rate\u003c\/td\u003e\n\u003ctd\u003eModbus is one question and one answer mode; the maximum is 200Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e9600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eVertical or horizontal optional, default horizontal installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eVertical or horizontal optional, default horizontal installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Seismic\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 3500g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eIP67 level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003etemp\u003c\/td\u003e\n\u003ctd\u003e-40~+85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical dimensions (as labeled)\u003c\/td\u003e\n\u003ctd\u003e36mm; 34.9mm; 41mm; 30mm; 3.4mm; 15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWiring Connection (Pin Definition)\u003c\/h2\u003e\u003ch3\u003eTTL\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRED: VCC 5V\u003c\/li\u003e\n\u003cli\u003eYELLOW: TX\u003c\/li\u003e\n\u003cli\u003eGREEN: RX\u003c\/li\u003e\n\u003cli\u003eBLACK: GND\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRS485\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRED: VCC 5-36V\u003c\/li\u003e\n\u003cli\u003eYELLOW: A\u003c\/li\u003e\n\u003cli\u003eGREEN: B\u003c\/li\u003e\n\u003cli\u003eBLACK: GND\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMCU Connection (example shown)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSensor side: 5~36V power\u003c\/li\u003e\n\u003cli\u003eMCU side: 3.3V (shown)\u003c\/li\u003e\n\u003cli\u003eSignals: VCC \/ TX \/ RX \/ GND\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Precautions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInstall the tilt sensor according to the correct method. Incorrect installation will cause measurement errors.\u003c\/li\u003e\n\u003cli\u003eThe mounting surface of the sensor and the surface to be measured must be fixed tightly, flat and stable. If the mounting surface is uneven, it will cause angle error.\u003c\/li\u003e\n\u003cli\u003eThe axis of the sensor and the axis to be measured must be parallel; the two axes should not produce an angle.\u003c\/li\u003e\n\u003cli\u003eInstall the face flat to produce an angle. When the tilt sensor is installed, the axis A should be parallel to the axis B.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eElevator equipment\u003c\/li\u003e\n\u003cli\u003eTower crane equipment\u003c\/li\u003e\n\u003cli\u003eTurntable equipment (cloud turntable)\u003c\/li\u003e\n\u003cli\u003eCar chassis tuning (smart car)\u003c\/li\u003e\n\u003cli\u003eMedical equipment\u003c\/li\u003e\n\u003cli\u003eSolar inclination monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDevelopment Materials\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSample program: provides a wealth of sample programs and tutorials for users (STM32 \/ Arduino serial library \/ 51 shown)\u003c\/li\u003e\n\u003cli\u003eThe product does not provide the schematic source code\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOrdering Notes\u003c\/h2\u003e\u003cp\u003eMultiple SKUs may be provided as a buying guide for the related sensor series with different parameters. Verify the selected model (e.g., SINDT01 vs SINDT02) before placing the order. For pre-sales selection help or integration questions, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"WitMotion SINDT01\/SINDT02 AHRS tilt sensor with MEMS module, IP67 housing and Modbus output\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis.webp?v=1783397103\"\u003e\u003cp\u003eBuilt for harsh environments, the SINDT series combines MEMS tilt sensing with IP67 protection and a Kalman-filter fusion algorithm for stable angle data.\u003c\/p\u003e\n\u003cimg alt=\"Free WitMotion PC software interface for Modbus communication and real-time angle readout with SINDT sensor\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_027913a2-dcf6-477c-9f70-bf81cf13fec4.webp?v=1783397110\"\u003e\u003cp\u003eA free PC tool supports Modbus communication, live angle values, and motion-state visualization during setup and testing.\u003c\/p\u003e\n\u003cimg alt=\"Inclination accuracy concept for the tilt sensor, highlighting 0.1° measurement performance on the X\/Y axes\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_963ff3f0-d58f-4899-9641-75a87b077ca4.webp?v=1783397117\"\u003e\u003cp\u003eFor applications that need fine leveling and pitch\/roll feedback, the sensor targets 0.1° inclination accuracy.\u003c\/p\u003e\n\u003cimg alt=\"PC visualization modes for sensor motion state: car model, head model, cube model, and airplane model views\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_47e1c664-4566-417d-bd4b-f426689babfb.webp?v=1783397123\"\u003e\u003cp\u003eMotion-state simulation helps validate axis orientation quickly using car, head, plane, or cube views.\u003c\/p\u003e\n\u003cimg alt=\"Real-time data curve display from the PC software, plotting multiple axes values over time for monitoring\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_af1c4b0d-f218-449b-a1d0-0d8689d1f8e9.webp?v=1783397130\"\u003e\u003cp\u003eReal-time curve plotting makes it easier to spot drift, vibration effects, and response changes while the machine moves.\u003c\/p\u003e\n\u003cimg alt=\"Product introduction text listing high-precision inclination unit, optional RS232\/RS485\/TTL interfaces, and IP67 shell\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_4dfab1d5-c6bc-46ad-b834-5a129844ac30.webp?v=1783397137\"\u003e\u003cp\u003eMultiple interface options—TTL, RS232, or RS485—support Modbus integration across different controllers and wiring standards.\u003c\/p\u003e\n\u003cimg alt=\"Application collage for the tilt sensor including elevator equipment, tower crane, cloud turntable, smart car, medical gear\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_3e923443-f266-4fd6-88b4-3a5875ee3df0.webp?v=1783397144\"\u003e\u003cp\u003eCommon uses include elevators, tower cranes, turntables, vehicle chassis tuning, medical equipment, and solar inclination monitoring.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion SINDT01- TTL product parameters table with voltage 5–36V, Modbus rate, and mechanical dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_51f6445d-c06d-400b-a220-e8b1351e1f14.webp?v=1783397151\"\u003e\u003cp\u003eKey electrical specs and mechanical dimensions are summarized for faster enclosure planning and power budgeting.\u003c\/p\u003e\n\u003cimg alt=\"Installation precautions text advising flat, stable mounting and keeping the sensor axis parallel to the measured axis\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_bb6aea55-e84e-446b-8ed3-87ac9bbbf8e9.webp?v=1783397158\"\u003e\u003cp\u003eMounting quality matters: secure the sensor to a flat, stable surface and keep the measurement axis aligned to reduce angle error.\u003c\/p\u003e\n\u003cimg alt=\"Correct vs mistake mounting guide showing face-flat installation and keeping axis A parallel to axis B\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_d56a1ef4-b610-4805-920f-d566e31b36ff.webp?v=1783397164\"\u003e\u003cp\u003eA face-flat installation and parallel axes help prevent systematic offset caused by skewed mounting surfaces.\u003c\/p\u003e\n\u003cimg alt=\"Supporting development materials list with sample programs and tutorials for STM32, Arduino serial library, and 51 MCU\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_3bfa41d4-0438-432b-8547-93c1ff04c5e7.webp?v=1783397171\"\u003e\u003cp\u003eSample programs and tutorials are available for popular platforms such as STM32 and Arduino serial libraries.\u003c\/p\u003e\n\u003cimg alt=\"TTL wiring connection pinout for the sensor: red VCC 5V, yellow TX, green RX, black GND with serial adapter example\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_0e2241df-91c8-4f7b-ab04-e44de680222a.webp?v=1783397178\"\u003e\u003cp\u003eTTL wiring uses a simple four-wire pinout—VCC, TX, RX, and GND—for quick serial integration.\u003c\/p\u003e\n\u003cimg alt=\"RS485 wiring pinout for the sensor: red VCC 5–36V, yellow A, green B, black GND; MCU pin definition diagram\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-SINDT01-Single-axis-AHRS-Modbus-2-Axis_c084da94-87b8-46c4-884e-7faa2416afdf.webp?v=1783397187\"\u003e\u003cp\u003eRS485 connections use VCC, A, B, and GND, with an example MCU hookup included for reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WitMotion","offers":[{"title":"SINDT01-TTL","offer_id":53307785511136,"sku":"A.000257-1","price":43.44,"currency_code":"USD","in_stock":true},{"title":"SINDT01-232","offer_id":53307785543904,"sku":"A.000257-2","price":44.84,"currency_code":"USD","in_stock":true},{"title":"SINDT01-485","offer_id":53307785576672,"sku":"A.000257-3","price":47.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/sindt01-single-axis-ahrs-modbus-2-axis-anglex-axis-010sindt02-dual-axis-xy-010accuracy-6878984.jpg?v=1783345933","url":"https:\/\/rcdrone.top\/sw\/products\/witmotion-sindt-ahrs-sensor","provider":"RCDrone","version":"1.0","type":"link"}