SmartBug™ : Smart Multi-Sensor Wireless Module for IoT Applications

TDK SmartBug (MD-42688-P) is a multi-sensor wireless module that leverages TDK’s MEMS sensors and algorithms for a wide range of IoT applications.

This module combines six sensors, a powerful wireless (BLE) MCU, seven algorithm driven features and a rechargeable battery, in a small enclosure. It also comes with the option of an Add-On board that includes a WiFi module, an SD card slot and an ultrasonic sensor from TDK.

Key Features

  • All-In-One Sensor Module including a combination of sensors and algorithms
  • Out-of-Box Solution
  • Pre-programmed. No soldering or programming needed
  • Dedicated source of raw and intelligent sensor data
  • Small size (50 × 36.6 × 18 mm) lets you stick this module almost anywhere
  • BLE, USB, WiFi and SD data logging
  • Reliable and quality data from high performance sensors and algorithms
  • Over the Air (OTA) Firmware upgrade
  • Visualization Software available
  • Optional Add-On Board adds WiFi, SD card and an ultrasonic range sensor


The SmartBug, a compact, wireless multi-sensor solution designed for a plethora of commercial and consumer IoT applications. The out-of-the-box solution enables quick and easy access to reliable and smart sensor data without the need for programming, soldering or extra modifications.

SmartBug is an all-in-one sensor module that integrates TDK’s 6-axis IMU (gyroscope + accelerometer) with magnetometer, pressure, temperature, humidity and ultrasonic sensors, and high-precision algorithms. These algorithms include sensor fusion, HVAC filter monitoring, asset monitoring, gesture detection, activity classification, air mouse monitoring and smart door open/close detection.

The SmartBug module enables accurate and remote monitoring via both BLE and WiFi, and provides autonomous SD card data logging capability for IoT applications with large data volumes. With its small size, flat base and wireless features, the SmartBug is a perfect one-size-fits-all solution that can be stuck almost anywhere, from a simple door to an industrial robot, providing high-quality remote data collection.

  • SmartBug combines TDK’s high-performance MEMS sensors and precision algorithms in a simple all-in-one wireless solution
  • Designed as a dedicated source of smart sensor data for a diverse range of IoT use cases from smart homes and appliances to wellness monitoring
  • Integration partnerships announced with Nordic, AKM, Sensirion, and Espressif Systems


Main applications

  • SmartBug addresses a wide range of IoT applications, including but not limited to:
  • Wearables
  • Hearables
  • Robotics
  • Smart Door Lock Detection
  • Asset Monitoring
  • HVAC Filter Monitoring
  • Air Mouse
  • Robotic Vacuum
  • Orientation detection
  • Patient Activity Monitoring (e.g., cervical analysis, balance control and gait analysis)
  • Smart Home
  • Smart Appliances


For more info, contact Sales

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Click here to download the PDF product datasheet