The sound-voice sensor notices a sound, & processes an o/p voltage signal to a microcontroller.

801S Vibration Shock Sensor Module
801S Vibration Shock Sensor Module
  • When the output valid signal is high, the light goes out
  • The sensitivity is adjustable (fine-tuning)
  • The wide detection range of vibration, no direction
  • With mounting holes, firmware installation is flexible and convenient.
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ADMP401 MEMS Omnidirectional Microphone High SNR Low Power Module
ADMP401 MEMS Omni Microphone High SNR Low Power Module

ADMP401 MEMS Omnidirectional Microphone High SNR Low Power Module This tiny breakout board features the ADMP401 MEMS microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone’s input can fit … Continued

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Digital Amplifier Audio Board 2x15W Stereo Class D Class 8-18Vdc CA-3110
Digital Amplifier Audio Board 2x15W Stereo Class D Class 8-18Vdc CA-3110

Digital Amplifier Audio Board 2x15W Stereo Class D Class 8-18Vdc CA-3110 Features: Module NO: CA-3110 Amplifier Chip:TPA3110 Output Power:15W x 2 Working Voltage: DC 8-18V Working Current: Max:3A Static state:8mA Efficiency:≥90% SNR:100dB Frequency Range:20Hz-20KHz Size: 33 x 25 x 3.5mm … Continued

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Digital Audio Amplifier Board Module (PAM8403)
Digital Audio Amplifier Board Module-PAM8403
  • Operating voltage: 2.5 V to 5.5 V
  • Maximum output: 3 wx2 (5 v 4Ω)
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Digital Sound Sensor Module
Digital Sound Sensor Module

This Digital Sound Detector Sensor Module has an on-board potentiometer to adjust sensitivity, the module outputs high when the threshold is reached. Detects sound from silence and outputs digital trigger signal. The digital signal can have an adjustable trigger level. … Continued

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Doppler Radar Sensor With Digital Output-RCWL-0516
Doppler Radar Sensor With Digital Output-RCWL-0516
This mini Doppler Radar Sensor With Digital Output-RCWL-0516 is equipped with supporting DC 4-28V wide voltage It will automatically continuously output the high level TTL signal when there is motion. 360 degree no blind angle detection and maximum 7m sensing distance. It is perfect for DIY microwave motion sensor light switch, human sensor toys, smart security devices, etc.
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DSP-PLL-87-108MHz-Digital-Wireless-Microphone-Stereo-FM-Transmitter
DSP PLL 87-108MHz Digital Wireless Microphone Stereo FM Transmitter

DSP PLL 87-108MHz Digital Wireless Microphone Stereo FM Transmitter Module The use of advanced digital audio signal processing (DSP) technology and FM modulation phase-locked loop (PLL) to make sound more realistic, more stable performance, long working hours without frequency offset … Continued

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AR1010 76-108MHZ Digital Broadcasting Radio Module
FM Radio Receiver Module AR1010 76-108MHZ Digital Broadcasting
  •  AR1010 digital broadcasting Radio Module
  • FM stereo receiver module
  • Frequency range: 76 Mhz-108 Mhz.
  • Operating voltage: 3.3V 
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ISD1760 Voice Recording Playback Module
ISD1760 Voice Recording Playback Module
  • Onboard ISD1760 chips
  • Onboard microphones, can be directly recorded
  • 75 seconds of audio playback
  • Interface:SPI
  • Recording, erase, broadcast, FT is direct, fast forward, reset, volume.
  • Chip has lead to the main pin, can be operated by single chip microcomputer control
  • High quality natural voice reduction, can be used as a propaganda machine module
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ISD1820 Voice Record/Playback Module With Speaker
ISD1820 Voice Record-Playback Module With Speaker

ISD1820 Voice Record-Playback Module With Speaker is Voice Record Module is base on ISD1820, which a multiple-message record/playback device. It can offers true single-chip voice recording, no-volatile storage, and playback capability for 8 to 20 seconds. The sample is 3.2k and the total 20s for the Recorder. 10 seconds … Continued

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Micro SD Card Module For Arduino
Micro SD Card Module For Arduino
MicroSD Card module is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the MicroSD card read and write files. Arduino users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write.
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Microwave Doppler Radar Motion Sensor Module HB100
Microwave Doppler Radar Motion Sensor Module HB100

Microwave Doppler Radar Motion Sensor Module HB100 Miniature Microwave Motion Sensor is a X-Band Bi-Static Doppler transceiver module. It has a built-in Dielectric Resonator Oscillator (DRO) and a pair of Microstrip patch antenna array, making it ideal for usage in … Continued

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Mini MP3 Player Module
Mini MP3 Player Module
This Mini MP3 Player Module MP3-TF-16P is the perfect integration of hard decoding of MP3 and WMV. The module also customized products, designed for USB card reader, USB sound card, fixed voice, playing low cost development solution.
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SR04 Ultrasonic Sensor - Range Finder Module
SR04 Ultrasonic Sensor – Range Finder Module

SR04 Ultrasonic Sensor Module  provides range from very short (2 Centimeters) to long-range (5 Meters) for applications in detection and ranging. The sensor provides precise and stable non-contact distance measurements from about 2 cm to 5 meters with very high … Continued

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SR04 Ultrasonic Sensor – Range Finder Module-10 Pcs
SR04 Ultrasonic Sensor – Range Finder Module – 10 PCs.

SR04 Ultrasonic Sensor – Range Finder Module  provides range from very short (2 Centimeters) to long-range (5 Meters) for applications in detection and ranging. The sensor provides precise and stable non-contact distance measurements from about 2 cm to 5 meters … Continued

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Ultrasonic Sensor Module Water Proof JSN-SR04T For Ardunio
Ultrasonic Sensor Module Water Proof JSN-SR04T For Arduino
This Ultrasonic Sensor Module Water Proof JSN-SR04T meets this requirement. It has a good performance and almost the same usage of HC-S04 module. Compares to the SR04  module, this module is more easy to install with waterproofing
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Voice Recognition Module V3 Compatible With Arduino
Voice Recognition Module V3 Compatible With Arduino
  • Supply Voltage: 4.5 – 5.5 V.
  • Current : <40 mA.
  • Digital Interface : 5V TTL level for UART interface and GPIO.
  • Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking).
  • Maximum 7 voice commands effective at same time.
  • User-control General Pin Output.
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Wireless Bluetooth Audio Receiver Board Module BLT 4.2 MH-M18
Wireless Bluetooth Audio Receiver Board Module BLT 4.2 MH-M18
  • Small Size Bluetooth Audio Receiver.
  • Two-channel Stereo Lossless Playback
  • Convenient to use.
  • Suitable for DIY projects
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Wireless Bluetooth Audio Receiver Module With Cable
Wireless Bluetooth Audio Receiver Module With Cable MH-M38
  • Bluetooth V4.2 version, support Bluetooth automatic connection technology,
  • Support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output.
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