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If you’re looking for a motion sensor to trigger audio from a speaker, the most direct options are motion-activated audio players (motion sensor + speaker/MP3 built in), or a standalone motion sensor module you wire into your own audio/speaker setup.
Motion-activated speaker / audio player (all-in-one)
- Recordable Audio Speaker Sound Box Built-in MP3 Player ($34.35) — a compact motion-triggered sound box with built-in audio playback.
- Motion Activated Audio Player with Separate PIR ($99.80) — PIR motion sensor triggers audio; separate PIR makes placement easier for installations.
- Motion Activated Audio Player with Two Separate PIR ($100.70) — similar, but supports two separate PIR sensors for wider/dual-zone triggering.
Motion sensor modules (to connect to an amp/speaker or controller)
- Mini PIR Motion Sensor ($5.35) — tiny PIR motion sensor module for simple motion-trigger builds.
- Arduino Compatible PIR Motion Detector Module ($7.20) — easy digital motion output for Arduino/microcontroller projects.
- Breadboard-friendly Mini PIR Motion Sensor with 3 Pin Header ($8.30) — compact 3-pin PIR for breadboards/prototyping.
- Mini PIR Sensor with Time and Sensitivity Control - BS612 ($4.15) — PIR with adjustable time + sensitivity.
Higher-end “presence” detection (better than PIR for stationary people)
- Fermion: C4002 mmWave Human Presence Sensor - Static & Motion Detection for Home Assistant (10m) ($21.90) — 24GHz mmWave presence sensor that can detect still occupants (useful for smart-audio/automation triggers).
- mmWave - C4001 24GHz Human Presence Detection Sensor (25 Meters, UART) ($25.75) — longer-range UART mmWave presence/motion sensing.
Do you want an all-in-one motion-activated speaker/audio player, or just a motion sensor module to trigger your existing speaker?
Collections
Showing 21-40 of 79 products · 21 unavailable products hidden
Battery Powered PIR Motion Sensor 9 LED 0.5W Night Light
Light up your night with this Battery Powered PIR Motion Sensor with 9 LED illumination.This LED light is perfect for providing light in dark areas around your home. The PIR motion sensor allows the light to turn on automatically when motion is detected, and the 9 LED bulbs provide plenty of l...
Panasonic® PIR Motion Sensor - EKMB1107112
Passive Infrared (PIR) sensors are great for detecting motion in a small area around the sensor. This is an EKM-series PIR sensor from Panasonic®. The EKMB-series PIR sensors are optimized for small movements to offer motion-sensing options for battery powered applications due to the low standby ...
SparkFun Human Presence and Motion Sensor - STHS34PF80 (Qwiic)
The STHS34PF80 sensor, from ST Microelectronics, is designed to measure the precise black-body radiation (as described by Planck's law) of an object; as well as monitor ambient temperature conditions within its 80° field of view. The sensor is composed of a matrix of floating vacuum thermal trans...
Motion Activated Audio Player with Two Separate PIR
Introducing our innovative Audio Player with PIR Motion Sensor, designed for seamless integration and the automatic triggering of audio alerts by motion detection. Explore the standout features of this versatile device: Flexible Motion Sensing: Features a separate PIR motion sensor, allowing for...
Mini Sparkle Motion - WLED-friendly ESP32 NeoPixel LED Driver
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Adafruit Sparkle Motion Mini – Compact WLED Smart LED DriverThe Adafruit Sparkle Motion Mini is a streamlined version of our Sparkle Motion series, designed to be the smallest and most powerful WLED-friendly LED driver in its class. Inspired by our resident mermaid and fire-dancer FirePixie, this...
Mini Sparkle Motion with Pre-soldered Terminal Block
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The Adafruit Sparkle Motion Mini is part of our series of "Sparkle Motion" boards, which are our attempt to make the best small WLED-friendly smart LED driving board in the whole world. Our resident mermaid, firepixie makes a lot of projects with WLED, and she loves it! So, how can we make someth...
Adafruit STHS34PF80 IR Presence / Motion Sensor
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The Adafruit STHS34PF80 is a compact IR presence and motion sensor that detects human and animal presence up to 4 metres away — without requiring a lens. Unlike traditional chunky PIR sensors with simple digital output, this sensor provides a full I2C interface with detailed readings on IR intens...
IR Thermal Imaging Camera Module – 80x62, Motion Detection, SPI/I2C, Raspberry Pi Compatible, 44° FOV
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Elevate your technological projects with our cutting-edge Long-wave IR Thermal Imaging Camera Module. Designed for seamless integration with Raspberry Pi and other development boards, this module is an ideal addition for engineers, developers, makers, and hobbyists looking to implement advanced t...
Multi Function Expansion Board for UNIHIKER K10 and micro:bit (Power and Motion)
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##Introduction The Multi-function Expansion Board for UNIHIKER is an all-in-one solution designed to unlock the full potential of UNIHIKER K10 projects. It directly addresses common hurdles by integrating a powerful motor driver, a portable power supply system, and extensive I/O expansion onto a ...
DFRobot Fermion BMI323 6DOF IMU Sensor
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Built around the Bosch BMI323, this compact Fermion module combines a 3-axis accelerometer and a 3-axis gyroscope on a 16 mm × 16 mm board. It provides high-rate acceleration and angular velocity data over I²C for embedded motion sensing, wearables, robotics, battery-powered IoT nodes and compact...
Analog Feedback Standard-Size Servo
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This standard-size hobby servo adds a handy fourth white wire that brings out the internal potentiometer wiper. Connect it to an analogue input on a board such as an Arduino to read the servo’s position as a voltage while still driving the servo as normal.That feedback signal can be useful in rob...
Conductive Rubber Cord Stretch Sensor Kit - 3m
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Measuring stretch and movement can be tricky, and this conductive rubber cord gives you a simple, hands-on way to do it. The cord is made from carbon-black impregnated rubber, with resistance that increases as it is pulled longer.In its relaxed state the cord is around 350 ohms per inch, and as i...
VCNL4200 Long Distance IR Proximity & Light Sensor Breakout
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Need approximate distance sensing over tens of centimetres to around a metre, plus ambient light measurement from the same board? This breakout carries Vishay’s VCNL4200, a two-in-one IR proximity and ambient light sensor suited to robotics, motion detection and object sensing projects.The proxim...
DFRobot Serial Bus Servo Driver Board
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This compact motion control board is designed to coordinate ST and SC series serial bus servos in robotics projects, with support for up to 253 servos on a single bus network. It combines power distribution, command transmission and telemetry feedback for multi-axis builds such as robotic arms, w...
DreamMaker Overlord 3D Printer Mainboard V1.0
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This control board is designed for the DreamMaker Overlord 3D Printer, acting as the central controller for analysing sensor data and driving the actuators needed to complete the printing process.It is based on the Arduino Mega2560, providing plenty of GPIO resources for structure and motion-cont...
Red Vision HM01B0 Colour Camera Board
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This Red Vision breakout brings the Himax HM01B0 colour camera module out to maker-friendly connections for robotics, embedded vision and camera experiments. The module provides a 320 x 320 pixel array with I2C control and a configurable parallel video data interface.The board breaks all pins fro...
LSM6DS3TR-C 6-DoF Accelerometer + Gyro IMU Breakout
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Add motion and orientation sensing to your project with this compact 6 Degree of Freedom IMU breakout built around the ST LSM6DS3TR-C. It combines a 3-axis accelerometer for measuring gravity and acceleration with a 3-axis gyroscope for measuring spin and twist.The breakout includes voltage regul...
SpectraFlex Flex Sensor - 95mm with Male Pins
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SpectraFlex is a flexible bend sensor for measuring angular deflection in research, industrial and personal electronics projects. As the sensor bends, its resistance changes, making it suitable for reading movement or flex through a simple analogue circuit.This 95mm version includes male pins for...
Triple Axis Accelerometer Breakout - LIS3DH with Headers
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Add 3-axis motion sensing to your project with this LIS3DH accelerometer breakout from SparkFun. The LIS3DH is a low-power, capacitive micro-machined accelerometer with 12 bits of resolution, suitable for detecting translation, movement and orientation in 3DoF applications.The breakout is easy to...
A111 60GHz Pulsed Radar Breakout
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Bring 60GHz radar sensing into your project with the Acconeer A111 single-chip pulsed coherent radar sensor on a SparkFun breakout board. It is suited to high-precision distance measurement, and also supports gesture, motion, material and speed-detection applications at distances up to two metres...
